How to Adjust the Timing in a GMC Sierra?

Answer Adjusting the timing on a GMC Sierra with a distributed ignition requires special tools and a working knowledge of engine mechanics. A GMC Sierra model with a distributorless ignition controlled by... Read More »

Top Q&A For: How to Adjust the Timing in a GMC Sierra

How to Adjust the Engine Timing With a Timing Light?

Car engines are kept in sync through the use of a timing belt. If the belt is replaced, the belt must be timed. This ensures that all of the engine parts are turning at the proper time and in the p... Read More »

How to Adjust the Rear Brakes on a GMC Sierra?

The GMC Sierra pickup truck utilizes front disc brakes and rear drum brakes for stopping. Both the front and rear brakes have a self-adjusting mechanism, but if the rear drum brakes fall too far ou... Read More »

How to Adjust the Headlights on a 1997 GMC Sierra?

The headlights on a 1997 GMC Sierra need to be adjusted if you have purchased and installed replacement headlight assemblies and the headlight housing assemblies did not come pre-adjusted from the ... Read More »

How to Adjust 1999 GMC Sierra Rear Brakes?

The rear brake shoes on your GMC Sierra truck need to be positioned so the disc and hub turn freely under normal conditions, but will easily clamp down when you apply the parking brake. The parking... Read More »