How to Troubleshoot a 2002 GMC Envoy A/C?

Answer The air conditioner on your GMC Envoy cools the passenger cabin by blowing cold air from the A/C compressor through the HVAC vents inside the vehicle. The A/C uses a compressed refrigerant called R... Read More »

Top Q&A For: How to Troubleshoot a 2002 GMC Envoy A/C

My 2002 GMC Envoy Won't Start?

If you get into your 2002 GMC Envoy expecting to go somewhere but the vehicle won't start, it could be the result of several different problems. You most likely have a faulty component in your igni... Read More »

How to Service a 2002 GMC Envoy?

A full service job on a 2002 GMC Envoy requires a complete engine and drive train inspection as well as inspecting all fluid levels. The last part of the full service job is an oil and filter chang... Read More »

How to Replace Brakes on a 2002 Envoy?

The brake system on the 2002 Chevy Envoy uses a rotor and caliper design. The brakes stop the wheels from turning by applying pressure to the sides of the brake rotors with the brake pads. Over tim... Read More »

What Does Camshaft Positioning Mean for a 2002 Envoy?

One of the most important parts of your engine is the camshaft, located on the inside of the engine. Knowing the position of the camshaft allows your car to run correctly.