Question about 2002 GMC Envoy

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2002 envoy rear suspension has collasped. The

2002 envoy rear suspension has collasped. The compressor kicks in but it does not rise up

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That tells me everything is working correctly although you have an air leak in the system somewhere.

Posted on Jun 02, 2010

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Posted on Jan 02, 2017

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2 Answers

2003 GMC Envoy air ride suspension won't work


The compressor is 600 bucks. If you can hear it running, then one or more plastic air lines going up to each shock is cracked . The level sensor may not be turning the compressor on. If you have experienced high water or a lot of snow and salt the system needs to be looked at to see what failed.

Aug 09, 2017 | GMC Cars & Trucks

1 Answer

Compressor runs but does nnot put enough air out to raise vehicleHow to change compressor on air ride suspension on 2002 GMC Envoy


The compressor is in front of the muffler under the car. The parts cost 600+ for the compressor alone. Getting at it is another thing. You have to raise the car pretty high to get to the mounting bolts.

Apr 12, 2014 | 2002 GMC Envoy

2 Answers

1998 lincoln town car air suspension wont rise in rear


Check the air lines for leaks especially around the right rear tire area. chances are the flat tire severed or pulled loose one of the lines from compressor

Jun 08, 2013 | Lincoln Cars & Trucks

3 Answers

When my envoy sits overnight my rearend drops down


There has been a service bulletin for that type of concern. Here is what it states.









Suspension - Rear Suspension Is Low/Sagging/Uneven

Notes




ENGINEERING INFORMATION

Bulletin No.: 06-03-09-006B

Date: December 15, 2008
Subject:
EI06006 - Rear Suspension Uneven, Sagging, Low (Recalibrate Air Spring Sensor)

Models:
2006-2007 Buick Rainier
2006-2007 Chevrolet TrailBlazer SS
2006-2007 GMC Envoy, Envoy XL
2006-2007 Saab 9-7X


with Suspension Pkg - Rear Load Leveling (RPO G67)

Supercede:

This bulletin is being revised to update the labor operation in the warranty information. Please discard Corporate Bulletin Number 06-03-09-006A (Section 03 - Suspension).

Condition

Some customers may comment on the rear suspension being uneven or sagging.

Correction

DO NOT REPLACE THE COMPRESSOR.

Based on technician feedback, engineering has determined that the customer's concern can be corrected by recalibrating the air spring sensor. Refer to the Trim Height Uneven or Low diagnostics and Air Spring Sensor Calibration procedure found in SI.

Nov 29, 2011 | 2004 GMC Envoy

1 Answer

I have a 2002 Gmc Envoy Xl Equipped w air ride suspension. The rear is squatting down, at one time the compressor was making a weird noise. A local Mechanic said he got it up by beating on the compressor,(...


Don't think you can, even if you were to put air from and outside compressor there is no way to keep it from leaking back out. If the compressor is bad, you really have no option but to replace it.

Jan 27, 2011 | 2002 GMC Envoy

1 Answer

My envoy back tires are goin up, so mi car is to high in the back i just went to get a change oil then it is happend they said it is someting like compresor air in the back i dont know noting abot it


You have an air suspension in the rear and apparently the leveling sensor is not working correctly and telling the compressor to come on too long. A mechanic will need to check the air suspension out.

Sep 28, 2010 | 2002 GMC Envoy

2 Answers

Removing rear air suspension on GMC Envoy


Just behind right rear tire up in the wheel well. Air inlet is inside right rear quarter near the accessory inflator. Compressor runs 3 lines one for the accessory inflator and one for each air bag.
THere are also 2 sensors, one on each trailing arm that senses load and then raises and lowers accordingly.

Dec 28, 2009 | 2002 GMC Envoy XL

1 Answer

The rear end is couple inches off the ground, the compressor kicks on nonstop but can't raise it


the compressor is burnt out. Mine did the same thing. Take it to the dealer. It'll cost about 800.

Jul 31, 2008 | 2002 GMC Envoy

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