Gm nv3500 transmission manual#
Gm nv3500 transmission code#
Gm nv3500 transmission series#

The bellhousing and main case are one piece, which means that you can’t replace the bellhousing. There are certainly a few easy to use clues that the transmission is the NV3500. This is primarily owed to the fact that they don’t use any sort of identification tag. It was typically found in the Silverado.Īll NV transmission are a challenge to identify.

Gm nv3500 transmission code#

If the RP0 code in the glove compartment ends up being MG5, that means that you have the wide ratio version of the NV3500 transmission. If you see M50, you know you are looking at a NV3500. This particular vehicle came with a 4L60E (M30). You can see the RPO code M30 clearly in this picture. If you are looking to find out what kind of transmission is currently in your truck, finding the RPO code M50 is proof positive that the factory installed transmission was a NV3500. The main differences in these versions of the NV3500 are the gearing and overall length. In order to properly identify the transmission that is currently in your truck, use the RPO codes listed below. If your vehicle is older than 1993, but newer than 1988 and it has a transmission that looks like the NV3500 it’s probably a HM290, which was the NV3500’s predecessor. Well the good news is that it’s not that difficult to ID it in either situation. It’s either, “what transmission is in the truck I have now?” or it’s “Is this an NV3500 I’m looking at?”.

Gm nv3500 transmission manual#

There are really going to be two different situation you may find yourself in when needing to identify a NV3500 manual transmission. It is certified to keep your transmission running smoothly between -40 and 300 degrees Fahrenheit.

GM recommends that users use GM Synchromesh manual transmission fluid. The catch with the NV3500 in Chevrolet and GMC trucks is that the dimensions were different depending on whether or not it was in the smaller S10 or larger Silverado/Sierra twins.

Gm nv3500 transmission series#

For the smaller S series trucks, they used the M50 close ratio version of NV3500. For full-size trucks, GM used the wide ratio MG5 version of the transmission. There were two possible gearing options, and they were entirely dependent upon what truck that the NV3500 was equipped in. Synchronization: Fully Synchronized Forward and ReverseĬase Length: Application dependent. NV3500 Specs Manufacturer: New Venture (GM + Chrysler) We’ll get further into that later in the M50/MD5 transmission identification section. The second is that it doesn’t come with ID numbers. The first is that the case is similar to some transmissions that came before it. It can be difficult to ID it for two reasons. The transmission was developed through a joint deal by General motors and Chrysler. The NV3500 stands for New Venture Gear 3500. If you made your way here because you were trying to figure out what this code meant, you can rest assured your truck was equipped from the factory with an NV3500. Within the confines of General Motors transmissions, the NV3500 is known as the M50 transmission. I know the trans isn't rated to handle 350 hp and 400 ft/lbs of torque but it won't be raced or clutch dumped and with skinnies in the rear of a light truck I'm hoping it'll survive for many years of local cruising.Ĭan anyone who's run the later style NV3500 behind a one piece rear main seal engine point me in the right direction for a flywheel and clutch setup? I did order the factory 06 throwout assembly and will plumb that to my Wilwood master cylinder once I have it here to see what type of fittings I may need.The purpose of this page is to help you find all the info regarding the NV3500 transmission’s specs and identification in one place. The crate engine has a one piece rear main seal and the trans I ordered was spec'd out for an 06 Chevy Silverado with the 4.8L engine.GM part number 12572824. I'm trying to figure out what the proper flywheel and clutch will be for my combo. I believe I was lucky enough to find a brand new GM built NV3500 that's the later style with the hydraulic throwout bearing internally. I had a trans in the truck for mockup for years and when I went to have it freshened up it turned out to be an old HM290 version which is known for front bearing failure and a few other things. Hey everyone I'm working on final assembly of my 34 Ford Pickup with a GM 350/357 crate engine and an NV3500 transmission.