Why does my 2004 gmc envoy vibrates constantly

SOURCE: 2004 GMC Envoy has trouble idling

Try the fuel filter. Sounds like the engine might be running rough due to weak fuel pressure. Its cheaper to replace, especially if it's still original from 04. Try running some injector cleaner through a couple of tanks of high octane gas.

SOURCE: battery removal on a 2004 GMC Envoy

The battery is on the right side behind the fuse box. You need a metric set to undo the 3 screws. Theres one that attaches to the body, one to the bar that goes along the top, and theres one on the left side below the vacuum hose and air induction. After you've taken out those three, you should lift the whole thing out(battery and shroud) together. It's hard to take the shroud off before you lift the battery out. After that, you have to pry the shoud off the battery. The two terminals in the back make it hard. Then just go to any auto parts store and they'll give you a new one. 

SOURCE: Speedometer on 2004 GMC Envoy not working. It

There is a recall on the panel Cluster... call your dealer and have it checked out.. mention the recall... www.lemonauto.com

SOURCE: 2004 GMC Envoy rear hatch complete door wont

door lock actuator solenoid ( inside of door) needs to be replaced

Marvin

• 85242 Answers
• Posted on Jun 04, 2010

SOURCE: what is the best type of motor oil for 2004 GMC

this engine calls for any major brand 5W20W (I prefer Valvoline), in very hot climates u can use 10W30W, but no heavier.