Top 20
2004 GMC Envoy Questions & Answers
What cause a power steering pump shaft to break on a 2004 GMC envoy?
When you place the wheel in a hard lock position ,the power steering pump relies on the pressure by-pass valve to operate instead of the valves in the steering box to open and allow the pressure to by-pass back to the reservoir.. When you hit hard lock and you hear the motor load up just ease on the turn and the pump will operate as designed. The turn will still be the same -just that the pump is not under full load . Breaking the shaft is a sign of excessive load and a misaligned pulley so check that the belt is directly in line and the pump is square to the belt line.
For more help click the link below
https://carrepairworld.blogspot.com/2021/05/causes-of-pump-shaft-broken.html
This will help.Thanks
Instrument cluster erratic warning lights, gauges stop working.
This is a common problem with an easy fix. If you are experiencing weird behavior from the instrument cluster it quite possibly is caused by corrosion on the circuit board on the back on the instrument cluster. To fix this you need to remove the instrument cluster. Refer to YouTube for this there are lots of videos shopping this, This step is much easier than it sounds, there are 4 screws and one plug. Inspect the circuit board you should see about a dozen places that have a dusty/crusty appearance (see the attached image). Clean the corrosion using isopropyl alcohol and a cotton swabs. Reinstall the cluster and your good to go.
What is the gap for a 2004 GMC envoy 4.2 liters
Natalie, our 4.2 engine only likes 1 sparkplug. AC Delco 41-103. This Iridium plug comes pre-gapped, to near the specs Mike posted. Don't try and gap these particular plugs yourself, easy to ruin them.
XUV. where is the separate amplifier?
Look on the SERVICE PARTS IDENTIFICATION Sticker in the glovebox for code UQA. This code = Bose Premium Sound System. The amplifier should be on the right behind the glovebox.
What is the number 11 fuse for in the interior fuse box on a 2004 GMC envoy?
If you hear a noise near the rear left tire and removing the fuse makes the noise stop, then check the SERVICE PARTS IDENTIFICATION Sticker in the glovebox for code "G67." G67 = Air Level Control suspension, a.k.a. Air Ride Suspension, or Smooth Ride (or Luxury Ride) Suspension. You hear the air compressor turning on/off that inflates the rear air bags; the vehicle does a check when it's started, and will add air when you add weight to the cargo area or add a full load of passengers.
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