20 Most Recent 2005 GMC Envoy Denali - Page 2 Questions & Answers

The radiator doesn't have a drain petcock, easiest way to drain radiator is to slowly remove the lower radiator hose.

Hanson4, did you get this resolved? My 2008 Envoy is doing exactly the same thing.

Mine does the same. Couldn't find a fix.I am not sure if this is weather dependent. It does more when it is cold. i am afraid that one day it will stay low where the hydrolic give up Please share your solution if any

In the fuse box, switch relay #46 with relay #45. If you have lights again, get a new relay. Being your lights aren't out all the time, try cleaning the relay contacts, and the fuse box contacts for this relay. This worked for me.

remotes ocassionaly need to be resynched with the vechile. I am not sure on the exact steps for your vechile but it should state in the manual. Like my 99 I have to have door open, and push lock and unlock buttons on remote at the same time for 15 seconds. Works great for a year or so then needs it again. Should be located under remote or key FAB, just look through the manual good.

I THINK IT NEEDS READJUSTING. THE CLEANING CAUSED IT TO ADJUST ON IT'S OWN.

How to install a seatbelt in a 2007 GMC envoy in the passenger side

Might be a short in the wiring in the column or the horn pad.Or in the engine compartment.

try changing out the PCM. its responsible for transmission operation. bad PCM means dumb transmission.

Firing order is 1, 5, 3, 6, 2, 4. Number 1 cylinder is up front. Why would you need the firing order, this engine does not have plug wires, each plug has its own coil pack, each coil pack is controlled by the computer.

I did the procedure vehicle still didn't start.I did notice the security light did no blink but stayed solid before it when out.Im lost ..

There are two O2 sensors, one on the exhaust manifold on the right side (passenger side) of the engine, and one just after the catalytic converter.

Picture would be perfect.

Your drive train may be in limp mode, which indicates something seriously wrong with it (engine or transmission). Check for trouble codes with a code reader.

Google your question. About 280,000 results (0.61 seconds) https://www.autozone.com/repairguides/S-T-Series-Blazer-Bravada-Envoy-Jimmy-Rainier-Trailblazer-Xtreme/Component-Locations/Secondary-Air-Injection-AIR-Pump-Relays/_/P-0996b43f80cb36eb

Look for black wire. Check it by using an omh meter and testing it to a ground.

Check youtube for video

Have you checked the fusible links running off the starter connection at the starter?

located in the back . It's called the LGM fuse #2 (Lift Gate Module) The Lift Gate Module controls the defroster grid circuit.

Check that brake switch has not become displaced or somehow loose. Its likely the switch is failing and needs replaced.