Castrol syntorq nv4500. Blumenthal has it bottled for them and so does dodge/chevy.

Castrol syntorq nv4500 Some other lubricant manufacturers such as Amsoil may have products that are compatible. and sold only in Europe. Low HP drag and good cooling, no sludge like the original NV4500 fluid (Castrol Syntorq) degrades to. Sep 15, 2018 · I know this has been discussed often on this forum. But here is the spec sheet for the Nov 21, 2007 · Just looked at the Castrol web site and it lists the fluid as "Castrol Syntorq LT 75W-85", so it looks like my source for 75W-90 was incorrect. Castrol Syntorq LT® was a low-temperature rated, 75w85w GL4 synthetic oil formulated specifically for the New Venture NV4500 5 speed manual transmission used in Dodge and GM light trucks. Jul 18, 2011 · Didnt shift very well at all. com FREE DELIVERY possible on eligible purchases Jul 25, 2023 · Castrol is a large British oil company and a BP plc subsidiary company that provides high-performance engine oil, lubricants, greases, and fluids for any type of vehicle. Doing a drain/ fill today on this 2wd nv4500 but i had to order the. Rebuilt transmission $1,650 with Core Exchange $2,650 without core FOR CORE EXCHANGE OPTION PLEASE CONTACT US BEFORE BUYING Transmission: New Venture NV4500 Type: 5 speed manual transmission Manufacturer: New Venture Gear (formerly New Process Gear) Predecessor: GETRAG G360 Applications: 1994 - 2005 Dodge Ram (5. a bit of overfilling won't hurt. 5 bfg all terrians k&n intake 4in straight pipe exhaust 02-19-2007,01:45 #2 6. Nov 16, 2020 · Back when I ran a NV4500 I dyno tested a number of fluids for horsepower drag and noticed how fast the lube temperature rose with different lubes. i am rebuilding an nv4500 i just picked up and am looking into fluid, everyone recommends the castrol syntorq (not the same as. I'm throwing out about a quart per Aug 20, 2024 · I read that warning label on the outside of the transmission but was unable to find Castrol Syntorq. Red Line MT-85, 75W85, SKU#90020 is the replacement if you can't get the GM or Mopar part number fluid. Feb 8, 2007 · I installed a NV4500 - NP205 combination in my 91 Dodge and have been running Castrol Syntorq in both for the last two years without any problems. One of their well-known products includes Syntorq. ????? about that story it just may be an economics thing for Castrol because of market demand Aug 10, 2003 · I'd run the Castrol Syntorq LT if it wasn't so expensive and so hard to find. I know from experience that using oil other than Syntorq in a 4500 causes poor shifting and will prematurely kill the syncros Typically, NV4500 transmissions with stock type synchronizer rings are easy to shift, with a smooth positive feel. Mar 14, 2013 · Its castrol syntorq and I have never seen it bottled as castrol. And the NV5600 uses a DIFFERENT fluid than the NV4500!!! NV5600 Fluids: Amsoil MTF Redline MTL Royal Purple SynchroMax Pennzoil Synchromesh fluid Nov 20, 2010 · Many NV4500 truck transmission applications like Chevy Silverado and Dodge Ram, for Chrysler spec MS-9070 Safe for brass synchros, as it lacks the reactive sulfurs found in most GL-5 oils that cause damage Nov 6, 2012 · Mine specs Syntorq on the trans case (or Mopar equivalent). Found some Royal Purple Max Gear 75w90 that's gl4. Sep 9, 2010 · just had an exedy clutch and new slave put in changed t-case (dextron II) fluid, and when it came to the trans fluid i read the sticker on the side of the trans which read replace only with Castrol Syntorq well, no parts stores carry that or even heard of it and went to the dealer and the Aug 14, 2020 · Castrol Syntorq LT® era un aceite sintético GL4 75w85w de baja temperatura, formulado específicamente para la transmisión manual de 5 velocidades New Venture NV4500 utilizada en camionetas ligeras Dodge y GM. GL-5 is to protect any "yellow metal" parts in the transmission; typically synchros in manual transmissions are bronze. Oct 5, 2019 · Seems the seals blown out in my NV4500 last week. Castrol Syntorq is a gear oil developed along with The NV4500 transmission to work with its carbon-fiber synchronizers. It was engineered especially for the NV4500. The DMF is smoother than a solid flywheel and it doesn't grab and jump like a solid flywheel, but they are way more money. Apr 7, 2015 · Second, the OEM Castrol Syntorq is not liquid gold. can anybody confirm this? Never heard of putting ATF in a NV4500 Jun 1, 2008 · It won't say Castrol on the outside, but guess what's on the inside The hint from Dave was the "NV4500" in small print on the bottom left. How Many Quarts Does A Nv4500 Take. what else is compatable or where can i get syntorq. since I've never had but success with amsoil porducts. How do you actually go about the draining and refilling? It’s pretty caked up in 17 years of goo. Jun 6, 2021 · I found Torco RTF to be excellent in both the NV4500 and NV5600. is Syntorq LT. Specifically formulated to provide consistent performance under the most severe operating conditions including extreme low temperatures. I looked at doing Paul's method of turning down the coupling sleeve but decided not to go that route. Dec 5, 2004 · Does anyone have info on Castrol SYNTORQ? I have found it is the factory fill for the Viper's T-56 which as far as I can tell is the same as the GM spec T-56 but with beefier gears. 2013 3500 4x4 crew cab 6' bed, Aisin, B&W, Transfer Flow, Fusion bumpers, Rigid LED, Edge Insight, Mag-Hytec, PPE, BD TS Booster, Jason cap. Last price check I got which was about 3 weeks ago was Mopar wanted $30 a quart and GM wanted $27 a quart. A search on the site turned up safety data sheets, but no product data sheets. Not in a big hurry, so looking to get it as cheap as possible. The fluid has become difficult, if not impossible to Feb 26, 2003 · what gear lube can be used in a NV4500 instead of castrol syntorq (can't find) or GM oil($22/quart) thanks in advance Nov 13, 2009 · The ONLY approved fluid for the NV4500 is Castrol Syntorq or the spec GM and Dodge fluids (which are most likely just repackaged Syntorq). 5550-MZ1 Fuchs-Titan Pro SRG 75 GM 1940182 GM 10953477 GM 12346190 GM 88862472 GM 88862473 GM 93165290 GM 93740319 Hyundai/Kia 04300-00110 Typically, NV4500 transmissions with stock type synchronizer rings are easy to shift, with a smooth positive feel. 5550-MZ1 Fuchs-Titan Pro SRG 75 GM 1940182 GM 10953477 GM 12346190 GM 88862472 GM 88862473 GM 93165290 GM 93740319 Hyundai/Kia 04300-00110 Jan 7, 2014 · You should only use Castrol Syntorq which you can get at the dealership but its branded as Mopar. Castrol Syntorq LT (low temperature), a 75W85 synthetic GL-4 rated gear lube. Unfortunately, Syntorq LT also comes with the “Holy Grail’s” price too! Well, what should you do? Use a less expensive GL-5/MT-1 lube (change it frequently to mitigate the risk), use the expensive Syntorq and be sure, or wait for Oct 4, 2007 · In my 91 Dodge I run Castrol Syntorq in my 205 transfer case along with the NV4500 transmission. Feb 18, 2009 · What is the best oil to run in the NV4500 I have read Castrol Syntorq 75W-90 GL-4 what do you guys run or whats your opions? 1 QT CASTROL SYNTORQ LT NV4500 MANUAL TRANSMISSION OIL This part has been superseded by QU90020 May 1, 2014 · So, long story short, those of us with NV4500 tranny's need Castrol SyntorqLT gear oil, as it was developed along with the nv4500 to work with it's carbon fiber syncros. I found Torco RTF to be very low drag and to keep lube temp down,, while not getting black and nasty over time like the Castrol Syntorq. Model specific subject matter experts, classified ads and more. However, in the […] Shop now NV4500 Oil & Filter Kits for 1992-2007 4x4 & 4x2 Chevy GMC trucks with New Venture NV4500 5 Speed Manual Transmissions. That's what the Mopar and GM Castrol Syntorq fluid is. Feb 14, 2010 · Thank you for contacting Castrol, we value your patronage. 61 first gear and 5. Oct 26, 2014 · Castrol Syntorq is GL4 75w90 and safe for carbon fiber. Wrong lube can cause you lots of grief and expense. Need some advise as can't find good literature. Torque Specifications Top Shift Cover Bolt: 200 inch-pounds Adapter Housing: 40 foot-pounds Front Drive Gear Retainer: 265 inch-pounds Main Shaft Nut 4WD: 275 foot-pounds P. They don't give you much fudge room on fluid type. Obviously Dodge and GM charge a premium, and as such Oct 3, 2006 · According to CASTROL: Message: Here is the response to the inquiry I sent to Castrol USA about where to get Castrol TAF-X in the USA: "Castrol TAF-X 75W-90 GL-4 gear oil is made in the U. Aug 20, 2014 · From what I hear, the Castrol Syntorq LT, the proper NV4500 oil sold under the GM 12346190, is only available in bulk quantities, the smallest being a 15 or 30 gallon drum. (Red Line (50504) MT-85 75W-85 GL-4 Manual Transmission and Transaxle Lubricant) Anyone here used it? Feb 20, 2013 · Buy Genuine GM Fluid (12346190) 75W-85 GL-4 Synthetic Manual Transmission Fluid - 1 Quart: Transmission Fluids - Amazon. It is basically the ONLY one of it's kind and even though it's pricey, the alternative could very well be having to do some repair on the tranny. S. General Motors & DaimlerChrylser insists that only Castrol Syntorq LT be used for the NV4500 a 5 speed manual transmission. Nov 20, 2009 · Use only Castrol Syntorq or Amsoil MTG, other lubes have been proven to eat the syncros especially Royal Purple. Insert shift lug rail part way into case. Lubricate shift lug and rail with Castrol Syntorq. I need about 6 qts (1. Mostly when Oct 29, 2008 · However, if you choose any lube other than Castrol Syntorq 75-85 weight synthetic gear lube, we feel you need to monitor transmission vs. It is said to be a 75W85, (heavier than a DexronIII I guess?), synthetic, and costs a mint at the dealer (approx $20qt). T. 2. Thats what I did. GL-5 isn't to protect the carbon-fiber synchros which are unique to the NV4500. Feb 19, 2007 · Nv4500?? One the the side acess covers is leak and i need to pull it off and reseal it. Aug 25, 2017 · The New Venture NV4500 is regarded as the best transmission to swap into a Cummins 4BT Jeep application due to it's specs as reliable and easy to install. I am rebuilding an NV4500 I just picked up and am looking into fluid, everyone recommends the Castrol SynTorq(not the same as SynTrans), which is also the same as Dodge and GM branded fluids. com/syntorqlt. Feb 16, 2018 · It's re-labeled Castrol Syntorq LT that I haven't seen available from Castrol in their own label (though I can find a picture of it online, lol!) - it's also sold by Dodge as part # 4874459. Rebuilt NV4500 Transmission for Sale If you need an OEM NV4500 4X4 transmission for a restoration, repair or conversion project, Advance Adapters can supply it. Fuchs ATF 3353, MB 236. This kit includes everything you need to rebuild the tranny with the exception of hard parts such as gears, mainshaft, countershaft. And an agreement was made between (GM, NVG, DiamlerChrysler?)and Castrol for Castrol not to sell/market it retail in 1 qt containers. Apr 21, 2008 · Castrol Syntorq is one (but its not sold in quart containers retail). ????? about that story it just may be an economics thing for Castrol because of market demand Sep 10, 2001 · Castrol Syntorq LT (low temperature), a 75W85 synthetic GL-4 rated gear lube. Go with the GM or DODGE oils so this doesn't happen to you. No idea how it got this bad this quick. Jul 8, 2022 · The GL-4 vs. However, the equivalent in the U. The donor truck had 220k miles on it so I would like to change the fluid plus I lost some during the removal. So since the Castrol Syntorq is no longer available I'm wondering what to use. When I went into the dealer to pick it up, they told me that they overfill them slightly when they service them So, I jacked up the side of the truck when I was filling. 5 Detroit Diesel DieselBurner Join Date Nov 2006 Location One the the side acess covers is leak and i need to pull it off and reseal it. Syntorq LT® was also used by many import car manufacturers with various other manual transmissions. Makes the parts considerably stronger, the draw back is if they do it wrong, makes the parts like glass. Syntorq has EP qualities without the corrosive EP additives in other gear oil. Mar 30, 2016 · This product is fully compatible with the carbon fiber synchro rings found in the New Venture NV4500 transmission. (NV4500), Hx35, pump turned some, intake elbow, 4" all the way back with strait through muffler. Apr 21, 2020 · 2. May 2, 2016 · Castrol no longer offers Syntorq LT® and there is no Castrol replacement that we know of that is suitable for the New Venture NV4500 5 speed manual transmission. Most other gear lubricants will damage the carbon fiber surfaces on the synchronizer rings. Richard [3] The fluid specification for the NV4500 transmission is highly specific. Aug 8, 2012 · What is this costly lube? Castrol Syntorq LT (low temperature), a 75W85 synthetic GL-4 rated gear lube. My service and owners manual say 4 qts, but somewhere it says fill to the fill hole. Bottom line, the Chrysler fluid, the GM fluid, and Syntorq LT are the same product, and are the only oils acceptable to GM and Chrysler for the NV4500. It was developed by Castrol for use in the NV4500 - mainly to protect the carbon fiber blocking rings (synchronizers) used in this transmission. Dec 28, 2022 · 1993 W150 NV4500 Need recommendations for trans oil. What’s the benefit of the 1-3/8" input shaft upgrade? Jun 24, 2014 · Use the mopar oil. Nov 14, 2006 · What is this costly lube? Castrol Syntorq LT (low temperature), a 75W85 synthetic GL-4 rated gear lube. After many hours of research, and not being able to find the Castrol Syntorque anywhere, I spoke to the local Dodge dealership. Chevy Forums FREE technical assistance for your restoration and repair. Blumenthal has it bottled for them and so does dodge/chevy. It's getting a little harder to shift from 1st to 2nd. Aug 23, 2009 · I just rebuilt a NV4500. 9L 24V rear wheel drive only, with 5 spd manual transmission NV4500. Oct 6, 2007 · Castrol Syntorq IS the fluid recommended by both Mopar and Gm for use in the NV4500. 5550-MZ1 Chrysler/Dodge MS-9070 Chrysler/Dodge NV4500 Fiat/Alfa 9. Wondering if I can use this fluid in my NV4500. Apr 23, 2024 · Castrol Syntorq LT, no longer made, sold under the Mopar and GM part #'s. Always verify against the build sheet shipped with your unit. Visit Jun 19, 2007 · Ummm, you mean Castrol SYNTORQ right??? That's the NV4500 fluidas far as I knew, Castrol didn't make a synchromesh fluid?? The NV5600 takes a 70w90 weight gear oil called synchromesh. NV4500 says use Castrol Syntorq LT (4) quarts NV3500 use Synchromech P/N 12345349 (11) quarts (verbatim I think the "c" was a typo in the manual and it means synchromesh) The link to penzoil site matches that part no. But that's not here nor there. ????? about that story it just may be an economics thing for Castrol because of market demand Oct 17, 2021 · Smooth shifting NV4500? I'm the proud owner of a '93 D350, but this question isn't about this Dodge. The problem with Syntorq is it's hard to find. Capacity is approximately 1 gallon. The (3) listed manual transmission oils are the only known fluids that meet the factory Castrol Syntorq specification. Many owners choose OEM-spec fluids that cross to Castrol Syntorq 75W-85. The NV4500 manual transmission is highly sensitive to its fluid type as it uses special carbon fiber synchronizers. I am looking to buy Feb 17, 2023 · NV4500 Fluid Hey all. Dec 3, 2016 · As the title suggests - How can you install a temperature gauge on the NV4500 5 speed manual transmission? I'm looking to install the usual boost/egt/tranny temp gauges in my '97, but it has a manual tranny. Mar 22, 2018 · Posting here, Mods please move if appropriate. The original fluid spec is Castrol Syntorq synthetic 75W-90 GL-4. So since the Castrol Syntorq is no longer av May 9, 2010 · I have the NV4500 transmission and I'd like to change the transmission fluid. FSM say Castrol Syntorq GL4 75W-90. It's a GL6 fluid Typically, NV4500 transmissions with stock type synchronizer rings are easy to shift, with a smooth positive feel. Shift Lug and Rail Installation 1. It says to use castrol syntorq but i cant find it anywhere. Oct 13, 2024 · The NV4500 used carbon fiber blocking rings (synchros) which required the use of the specific gear oil designed for them, which is Castrol Syntorq that was relabeled under GM and Mopar part #'s. Plate: 200 inch May 4, 2016 · If you see MW3 or MT8 you have the NV4500 Transmission which would use the Castrol Syntorq, otherwise use Syncromesh. And forgive me if this is common knowledge. This is an elite-quality synthetic fluid that is readily available from our 11 warehouses is the United States and 2 warehouses in Canada. Don't trust it when people say brand X works just fine, I guarantee they haven't tested it for 100k. There are several manufacturer that currently offer the stuff. Cover Bolts: 30 foot-pounds Reverse Inhibitor Bracket: 95 inch-pounds Counter Shaft Brg. Aug 1, 2006 · In a pinch, someone ignored the requirement of Castrol Syntorq LT synthetic oil (or equivalent) and fed it petroleum-based oil. Bob B. 3. Out of the dozens of NV4500's I've overhauled on a carry-out basis, even with very clear, concise written warnings against using anything other than syntorq I've had a couple guys fill them with regular 90WT and call to complain they can't get the tranny into third gear and it shifts worse overall Oct 13, 2003 · Finally I read or heard somewhere that SM and specifically Castrol Syntorq developed Chrysler and Castrol together to replace ATFs for the T-56 Viper transmission. The donor vehicle I'm told was a 1st Gen Cummins 1-ton w 4x4. The issue is with the composition of the liners in the synchros; non-spec fluid can ruin the material and cause hard shifting. Oct 14, 2006 · Where can I buy Castrol TAF-X 75W-90 transmission oil in Canada or USA ??? 5 days ago · It takes 4 quarts of Castrol Syntorq GL-4 synthetic oil. Transfer case oil Typically, NV4500 transmissions with stock type synchronizer rings are easy to shift, with a smooth positive feel. As for fluid capacities simply fill anything that doesn't have a listed capacity to the fill hole, when fluid starts coming out it's good. 04 synchronized reverse gear. But here is the spec sheet for the Note: Castrol Syntech is not the same as Castrol Syntorq. Mar 5, 2009 · Castrol Syntorq LT 75w85 (may also be described as 75w90) GL4 full synthetic Gear oil GM PN 12346190 Dodge PN 4874459 The Castrol comes in large quantities if Castrol branded, (15 gal mini-drums is the smallest, IIRC) and quarts are the quantity (of course) from dealer, Dodge is usually cheaper than GM. Not sure on the Castrol, but if you want to try it, I would call AA and see what they have to say before dumping/refilling. I've also heard of some guys running it in NV4500's; they say it helps chatter with a dual disc. O. It almost eliminates the gear chatter associated with high load at low rpm conditions. Install shift lug on rail. Unfortunately, Syntorq LT also comes with the “Holy Grail’s” price too! Well, what should you do? The story I heard was Castrol Syntorq was specially formulated to help cold shifts in the NV4500 and its better formulated for the synchros of the transmission. Aug 12, 2018 · Not posting this to debate oil types for the NV4500 but rather to let everyone know the P/N for the Mopar specified oil has changed. Mar 21, 2014 · The NV4500 requires Castrol Syntorq LT but you generally will not find it packaged as such. NVG worked directly with Castrol to develop this fluid to address OEM specification for some GM and DCX trans they produce. Feb 17, 2023 · Hey all. Getting ready to change the oil in the transmission and the rear differential (transaxle). May 1, 2014 · So, long story short, those of us with NV4500 tranny's need Castrol SyntorqLT gear oil, as it was developed along with the nv4500 to work with it's carbon fiber syncros. This gear oil is commonly known as GM #12346190 and Chrysler #4874459. Many NV4500 truck transmission applications like Chevy Silverado and Dodge Ram, for Chrysler spec MS-9070 Safe for brass synchros, as it lacks the reactive sulfurs found in most GL-5 oils that cause damage Mar 25, 2014 · What is best NV4500 oil? All 4x4 Tech & Off Roading May 16, 2013 · Castrol Syntorq LT is a premium high performance lubricant manufactured specifically for GM and Chrysler and it can only be purchased through their dealerships across North America. Another problem related to shifting difficulty is failure of the pilot bearing. Jul 26, 2006 · The Castrol Syntorq LT, synthetic manual transmission oil, is a 75W-85W oil. Its expensive Apr 29, 2024 · AFAIK the only fluids still available for the NV4500 are the factory fill Castrol syntorq ( from a GM dealer, but they too might try to sell you an ATF), the amsoil stuff you're already looking at, and the redline MT 85. Amsoil makes a similar one and Redline suggests mixing 2 of their products together to get the right additive package. NV4500 oil. Mar 24, 2008 · I ASSume You got it filled with the correct amount and grade GM synchromesh (sp?)or equivalent/Castrol Syntorq etc, transmission fluid? The NV4500 takes special gear oil. I know that Castrol Syntorq is no longer available, here i can find Redline MT85 or MT90 and AMSOIL 75W-90 GL-4. This fluid is mandatory for the NV4500 due to the special syncros in it. Aug 26, 2015 · I can't find Castrol Syntorq anywhere, but my local Napa parts store carries Redline MT85 for $16 a quart (June 2016) Their computer says it is compatible with the NV4500 trans. (you can actually get it from a chevy dealership aswell, their nv4500s use the same oil) Its rather expensive but the nv4500 is particular and you dont wanna use anything other than that oil. Pertaining to the oil that can be used and how many quarts. 50x16. API Service GL-4 rated. Jul 4, 2008 · The story I heard was Castrol Syntorq was specially formulated to help cold shifts in the NV4500 and its better formulated for the synchros of the transmission. In stock for quick shipping. Aug 17, 2004 · The NV4500 doesn’t need the extra protection of a GL-5, so why take the risk? It’s my opinion that Syntorq is the “Holy Grail” of gear lubes for our beloved under engineered NV4500. I have 4 different fluid numbers and I'm not sure which to use? PTO cover says Transmission must be refilled with Castrol Syntorq LT GM P/N - 12346190 Chrysler P/N Aug 28, 2024 · Ram 3500 1998. Nov 25, 2011 · My NV4500 had regular gear oil in it, you could tell from the smell. Oct 17, 2006 · NV4500 series transmissions were specifically designed for use with Castrol Syntorq LT® GL4 rated synthetic gear lubricant. The story I heard was Castrol Syntorq was specially formulated to help cold shifts in the NV4500 and its better formulated for the synchros of the transmission. SAE 75W85/85 Castrol BOT 0063 Castrol BOT 402 Castrol Syntorq LT Chrysler/Dodge 04637579 Chrysler/Dodge 04874459 Chrysler/Dodge 04874464 Chrysler/Dodge 9. On the back it has the Chrysler PN, and recommendations for the NV4500. The factory fill for life requirement coming out of the OEM legal departments drove this Jan 15, 2019 · However, if you choose any lube other than Castrol Syntorq 75-85 weight synthetic gear lube, we feel you need to monitor transmission vs. I'd also be interested in splitting up a larger order 5 gallons if anyone else is interested. What fluid does the NV4500 use and how much? Use a synthetic manual transmission fluid that meets the NV4500 specification. NV4500 Manual Transmission Fluid Spec The NV4500 features carbon fiber composite synchronizers and is therefore highly sensitive to transmission fluid type and viscosity. Nov 15, 2002 · Syntorq is a synthetic GL4. Jul 12, 2020 · It's re-labeled Castrol Syntorq LT (spec btw is 75W-85 GL-4) which was developed by Castrol specifically for the NV4500 and the carbon-fiber syncros used in that trans. This is a Chevy NV4500 transmission with a 32-spline rear output shaft and a 10-spline front input shaft. 5550-MZ1 Fuchs-Titan Pro SRG 75 GM 1940182 GM 10953477 GM 12346190 GM 88862472 GM 88862473 GM 93165290 GM 93740319 Hyundai/Kia Oct 22, 2022 · Castrol Syntorq® LTWhat weight of transmission fluid is used in a manual tranny for a 1992 Chevy Silverado 1500? That will depend on which Tranny you have there were 2 see links below. Oct 5, 2012 · Castrol Syntorq® LT 75w85w full synthetic gear oil is the only factory approved lubricant for NV4500 transmissions. You probably can’t get the Castrol any more as it was discontinued long ago but Redline has a direct replacement for it that keeps our syncros alive. Shift stand tests revealed mineral based fluids were found to generate unacceptably high heat levels in some recent generation heavy duty transmissions. I prefer Amsoil for use in my NV4500s. Can it be done? Thank you. The model sold here is what GM used from 1996 to 2003, meaning it has a 5. It's hasn't even been wet I can't find the GL4 Castrol Syntorq fluid anywhere in town. Redline's website says it is good for the NV 4500. Castrol Consumer Relations I'm willing to bet Castrol and/or GM/Chrysler found out about many people buying and repackaging Syntorq LT to sell and put an end to that! 1990 W250 5spd. So I checked into Amsoil, they have MTG 75w90. I called my Amsoil rep and he cross referenced fluid compatibilities and suggested their GL-4 as a substitute Dec 7, 2001 · Either either the Mopar NV4500 specific lube (dealer only at $25/qt) or I have recently seen AA advertising the Castrol Syntorq fluid. It says right on the transmission to only use Castrol Syntorq. quad4x4. html Quote Castrol no longer offers Syntorq LT® and there is no Castrol replacement that we know of that is suitable for the New Venture NV4500 5 speed manual transmission. $25+ a quart at a dealership. 1997 Chevy 2500 4x4 ext cab 4in pro comp lift 33x12. Dealerships should have it. I Googled that part # and it comes up as Mopar 75w-85 synthetic manual transmission gear lube and is their recommended fluid for the NV4500. 5 5. Dec 22, 2013 · Amsoil has an NV4500 oil, usually cheaper than syntorq. Its barely priced over the rest of the off the shelf miracle lubes if you are savvy enough to find a place who isnt overcharging. Put in the Castrol Syntorq and it's a totally different transmission. Castrol BOT 0063 Castrol BOT 402 Castrol Syntorq LT Chrysler/Dodge 04637579 Chrysler/Dodge 04874459 Chrysler/Dodge 04874464 Chrysler/Dodge 9. I couldn’t find much as far as PDS spec sheets for the Mopar/GM/AC Delco stuff that doesn’t seem to be available anymore, nor could I find a spec sheet or even any of the Castrol Syntorq LT available. I know from experience that using oil other than Syntorq in a 4500 causes poor shifting and will prematurely kill the syncros Castrol Syntorq LT® was a low-temperature rated, 75w85w GL4 synthetic oil formulated specifically for the New Venture NV4500 5 speed manual transmission used in Dodge and GM light trucks. I asked the guy at Napa and he said that Valvoline Synthetic gear oil should work, however I'm proceeding with caution. . differential temperature for a while and under different conditions to ensure the lube keeps the transmission as cool as Castrol does. A frequently asked question is what oil to put in my NV4500 manual transmission? Searching the internet forums will yield a variety of answe Nov 28, 2004 · It’s my opinion that Syntorq is the “Holy Grail” of gear lubes for our beloved under engineered NV4500. Jan 4, 2008 · Looking for a good source for Castrol Syntorq for the NV4500. Mar 14, 2018 · going to change tranny fluid in my NV4500parts guy at dealership said syntorq was discontinued and now it takes ATF+4. What I intend to do with my NV4500 when I go through it ( probably next winter ) is send everything off and have it cryo treated. Aug 14, 2020 · Castrol Syntorq LT® was a low-temperature rated, 75w85w GL4 synthetic oil formulated specifically for the New Venture NV4500 5 speed manual transmission used in Dodge and GM light trucks. I also read that many use ATF in their manual trannys but i want to be sure that i won't destroy my transmission 3. The most common problem with the NV4500 on the Cummins diesel is the 5th gear nut backing off. Ret. I had found it for $51/gal from Shift Lug and Rail Installation 1. Jan 18, 2008 · Castrol Syntorq LT (low temperature), a 75W85 synthetic GL-4 rated gear lube. Nov 6, 2009 · Is Castrol Syntorq only available from a stealership? I've called three auto parts stores (one is a commercial trucks supplier), and all three said they can't get this stuff. Manual Mar 2, 2004 · "Castrol Syntorq LT® 75w85w GL-4 rated, low temperature, synthetic gear lubricant is the only factory approved lubricant for NV4500 series transmissions. First, what oil do you recommend for the tranny, and what is the Sep 29, 2006 · CASTROL SYNTORQ isn't just a GL-4, it uses NO friction modifiers and a synthetic base that is more closer to a 60W oil I believe. Failure to use a compatible fluid will result in synchronizer failure or other transmission problems. I've searched around on the Web but get conflicting information and Sep 23, 2014 · I am about to install a new rear output shaft seal on my 98 2wd nv4500 5-speed and decided to do a fluid change while I'm at it. Both Chrysler and GM dealerships sell it as their specialty blend oil for the NV4500, but it's just GL4 Castrol Syntorq, and GM's service desk price is cheaper than Chrysler. So I called the shop that is rebuilding my transmission. 5 gallons). Jan 25, 2015 · I have been looking for bulk/Economical Castrol Syntorq alternatives for my NV4500 / NV5600 / and VW TDI Manual Trans. these are the only lubricants recommended for the nv4500: New venture's site says that it holds 4l, but. Its actual name is like castrol syntorq. This is largely due to the advanced carbon fiber coatings on the rings and the use of compatible lubricants like Castrol Syntorq LT® or QU90020 NV4500 Manual Transmission 75w85w GL-4 synthetic gear lubricants. Feb 1, 2018 · When I called the dealer they said they didn't carry the Castrol Syntorq but gave me the following Mopar part # which is 4874459. Dec 14, 2002 · Castrol Syntorq LT (low temperature), a 75W85 synthetic GL-4 rated gear lube. The Amsoil fluid is clearly superior in my opinion. Choosing GL-4 vs. Plenty of GL-5 out there but most say "with limited slip additive" or "great for limited slip differential" Also any thoughts on diagnosis. Is this inferior as of today? Lee, what's got you hung up on that Mobil? You guys run it in a lot of trucks? Also, I noticed that LazarSmith's Gorilla Juice fluid is now spec'd on his site for the NV4500 (wasn't before). 9L Cummins) Synchronized: All forward gears Case Material: Cast iron case w . Plate: 200 inch Jun 21, 2025 · Note: Castrol Syntech is not the same as Castrol Syntorq. Failure to use an acceptable fluid may ultimately result in excessive synchronizer wear and/or failure. Finally, the quantity. Didn’t really know what to look for as far Jan 20, 2005 · Castrol Syntorq LT (low temperature), a 75W85 synthetic GL-4 rated gear lube. Syntorq LT® también fue utilizado por muchos fabricantes de automóviles de importación con varias otras transmisiones manuales. The original P/N for the Mopar Manual Transmission Lubricant was 4637579. Put Castrol Syntorq in it, put 200 miles on it and the shifting feel was WAY better. Jul 30, 2018 · I just scored a used NV4500 out of a 97 2500 gas truck in a U Pull It yard for $230 complete with the bell housing for my W200 crew cab. That would be the NV-4500 transfer case in Dodge 4WD trucks that also use the Castrol Syntorq fluid. Having said that, Syntorq LT SAE 75W-85, API GL -4 is a premium high performance, synthetic gear lubricant for synchronized manual May 2, 2016 · http://www. + Excessive Mainshaft End-Play: Most prevalent with 3rd gear. couldn't find the castrol syntorq , and I wasn't gunna pay 23 bucks a quart for oil. Packaged in two quart bottles. 12 Castrol Manual BOT 328 Texaco MTX Fluid FM Castrol SAF-XJ Nissan Trans Oil R35 Special 000 043 300 38 000 043 304 71 000 043 300 37 Castrol BOT 338 (75W-80) Shell Spirax S5 ATF (75W-90) Burmah Carbon Mod (75W-90) POOR SHIFTING Typically, the NV4500 is one of the nicest shifting, heavy-duty light truck transmis- sions. The original fluid spec is Castrol Syntorq synthetic 75W-90 GL-4 manual transmission fluid. If you have a transmission that exhib- its poor shifting performance, some possible causes and solutions are: + Incorrect Oil: Use Castrol Syntorq@LT. Oct 1, 2010 · The Castrol Syntorq LT, synthetic manual transmission oil, is a 75W-85W oil. I paid little under 14 a quart for it. So since I know I got to put some sort of lubricant back into the transmission and NV4500 fluid by Castrol is no longer produced. K. I have an NV4500 in another truck I own (see my user id for a hint). Dec 31, 2009 · I put castrol syntorq in them exclusively. I have read about a lot of guys using Amsoil and Penzoil Synchromesh Alternates. I've had this transplant NV4500 in place for ~6 years or so One the the side acess covers is leak and i need to pull it off and reseal it. Third, 75-140 is fine but will cause a slight loss in fuel mileage due to the added viscosity friction. tykkff lryxx tidhu avwiz qsb lgtie ufny qhfy gbuhkxv xvyyg gfoyx wdrzgk fwbl mbs runlcw