There is nothing to tune up on a GMC Envoy except to change the plugs at 100,000 miles. Follow the manual for regular oil and drive line lubrication fluid changes. www.trailvoy.com Envoy enthusiasts forum!
The 2004 GMC Envoy can hold up to seven quarts of oil at one time. Before refilling the oil in your vehicle, make sure to drain all the old oil out.
If the 2004 GMC Envoy came with a tow package, then there should be a trailer brake controller harness. It would be located up under the dash near the brake pedal.
The parts just cost me $250, a distrutor cap, wires, plugs, and rotor. The labour was 1.5 hours
there are 2 tabs on the top of the housing, pull up on them to release the head light, pull the housing forward to remove.
I had the same problem with my 02 Envoy. Check to make sure contacts inside the sockets are intact. I had to replace both of mine. Contact were corroded and rusted out.
What parts are needed for tune up for a 2004 toyota sienna
On a 2004 envoy, open the hood and on the top of the headlight assy there are two tabs that you pull up allowing you to pull the headlamp assy forward and access the the bulbs. These are halogen bulbs so remember to wear gloves when handling the bulbs.
Price for a tune on a 2004 Nissan Maxima?
At 100,000 miles or 160,000 kilometres you change the spark plugs. www.trailvoy.com All the answers for your Envoy/Trailblazer from true enthusiasts!
check the throttle body for carbon build up probably fuel related
Battery kepts going dead on my2002 envoy overnight what could be the problem . The alternator is charging right and it won't drain if it is not hook up