What kind of transmission does a 1990 GMC Sierra have?

What kind of transmission does a 1990 GMC Sierra have?

I’m just trying to confirm my research. I’m trying to get a replacement transmission for a 1990 GMC Sierra 2500. From visual inspection, it appeared to have a Chevy 350 and a TH700R4 tranny. A 700R4 in a 3/4 ton truck doesn’t seem quite right, but I don’t think it’s ever been swapped.

What was the problem with my GMC Sierra?

Transfer case switch on dash had internal fault and was replaced. Software update for PCM/TCM and a lubrication of the slip-yolk. This was to fix rough transmission shifting when slowing to a stop. Transmission leak, fixed once and needs to be fixed again. leak around transmission repaired took a few days to complete

What kind of transmissions did Chevy use in 1988?

The five transmissions installed on 1988 to 1992 Chevrolet trucks, according to Drivetrain.com, were the Borg-Warner T5, the Getrag, Muncie or New Venture models HM290, 5LM60 and NV3500 and the New Venture NV4500. The NV4500 appeared on 1992 full-sized trucks only.

How much horsepower does a GMC Sierra 1500 have?

420-horsepower 6.2L V8 8-speed shiftable automatic 4WD w/low range Automatic 8 speed trans hard shifting from 1st to 2nd and 3rd to 2nd gears under light throttle. Reprogram of trans control and other modules.

I’m just trying to confirm my research. I’m trying to get a replacement transmission for a 1990 GMC Sierra 2500. From visual inspection, it appeared to have a Chevy 350 and a TH700R4 tranny. A 700R4 in a 3/4 ton truck doesn’t seem quite right, but I don’t think it’s ever been swapped.

Transfer case switch on dash had internal fault and was replaced. Software update for PCM/TCM and a lubrication of the slip-yolk. This was to fix rough transmission shifting when slowing to a stop. Transmission leak, fixed once and needs to be fixed again. leak around transmission repaired took a few days to complete

Are there any problems with GMC 8 speed transmission?

GMC vehicles with 8-speed 8L90 and 8L45 transmission can develop intermittent problems regarding the transmission temperature. Symptoms that drivers can experience include improbable temperature readings to overheating, slipping, and harsh shifting. These issues will trigger a check engine light, so there will be a fault code stored in DTC memory.

Are there any transmission problems with my GMC Truck?

Newer GMC trucks equipped with a 6-speed 6L80 transmission can suffer from various intermittent or constant transmission issues. Symptoms include harsh or delayed shifting, inability to engage certain gears, and slipping when shifting gears. These problems can even lead to transmission overheating in some cases.

How to identify manual transmissions on Chevy 1988-1992 trucks?

How Do I Identify Manual Transmissions on Chevy 1988 -1992 Trucks? The five transmissions installed on 1988 to 1992 Chevrolet trucks, according to Drivetrain.com, were the Borg-Warner T5, the Getrag, Muncie or New Venture models HM290, 5LM60 and NV3500 and the New Venture NV4500. The NV4500 appeared on 1992 full-sized trucks only.

Can a 2WD shift on a 4WD GMC Sierra?

A diesel will bolt up but won’t shift correctly and will have the wrong torque converter. Lastly the 2WD and 4WD will not interchange without a teardown and shaft change. Thanks for clearing that up for me as well Jimmiee, i wasnt sure but did want to point it out as a possibility since some models share.

How to replace front axle actuator GMC Sierra?

1A Auto shows you how to replace the 4×4 front axle shift actuator on a 2002 GMC Sierra. This part is the same for many GM 4WD trucks. The procedure is the same for the GMC Sierra and Chevrolet Silverado, years 99, 00, 01, 02, 03, 04, 05, and 06.