1990 Sierra Clutch Problems?

Answer The 1990 GMC Sierra has three different types, the 1500, 2500 and 3500, and each one has its own problems, but none of these Sierra trucks has been recalled. According to Edmunds, the trucks have r... Read More »

Top Q&A For: 1990 Sierra Clutch Problems

Troubleshooting the ECM in a 1990 GMC Sierra?

For a 1990 GMC Sierra, the letters ECM stand for "electronic control module." It is the Sierra's central computer and the home of the vehicle's diagnostic system. Because the 1990 Sierra predates O... Read More »

How to Test the TP Sensor on a 1990 GMC Sierra?

The throttle position sensor on the 1990 GMC Sierra has a three-wire connector. The left wire is the throttle position signal wire, and is dark blue. The middle gray one is the powertrain control m... Read More »

What kind of transmission does a 1990 gmc sierra have?

The 1990 GMC Sierra was released with a few different transmission types. All four styles--the GMC Sierra C2500, the GMC Sierra K2500 and the GMC Sierra 1500 two- and four-wheel drive models--came ... Read More »

How do I Install a Clutch Line on a '92 GMC Sierra?

The clutch hydraulic line on your 1992 GMC Sierra runs from the clutch master cylinder to the clutch slave (secondary) cylinder. Pressurized fluid from the master cylinder, created when the clutch ... Read More »