Question about 2007 GMC Envoy Denali

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Envoy rear sagging

Air pump not kicking in

Posted by Anonymous on

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  • GMC Master
  • 9,742 Answers

There is a level sensor connected to the lower control arm on the rear wheel on the drivers side. This operates the pump and lets air out if it is too high in the back.It can fail. Most likely the air pump has gone bad. Expect 800 + to fix it.

Posted on Jul 24, 2016

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Posted on Jan 02, 2017

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SOURCE: 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.

Posted on Feb 17, 2010

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SOURCE: m rear heat in my03 envoy blows cold air

There is a service bulletin for poor rear heat on these models.The bulletin number is 05-01-37-002A.The part numbers are 89024885 for 4.2 engine and 89024886 for the v8 engine.It is an auxiliary pump the helps the coolant flow to the rear.The a/c system has to be recovered so I don`t think you can do this at home unless you have an a/c recovery machine.Hope this helps.Good luck.

Posted on Feb 22, 2010

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SOURCE: I have an 06 gmc envoy denali xl and i'm having a rear end saggin

There is a bulletin for this problem.You have to go to the dealership and have the air spring sensor calibrated.Only the dealers can do this calibration.It does not take long to calibrate a vehicle.Unless they find a different problem.Hope this helps.Good luck.

Posted on Mar 25, 2010

ftw1952
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SOURCE: 2002 envoy rear suspension has collasped. The

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

Posted on Jun 02, 2010

  • 32 Answers

SOURCE: locating a leak in ride control for 03 yucon

Try spraying soapy water on the connections, then wait to see if the liquid bubbles up. Probably all you need. If it is a really slow leak can get a leak detector fluid for natural gas lines, but it costs about $8 at Home Depot. It stays on the connection and foams up if there is any leak at all.

Posted on Jan 10, 2012

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Related Questions:

1 Answer

Can a faulty drivers door open module cause my 2003 mercury rear air suspension to sag?


Why would you ask that?

Drivers door module has nothing
to do with suspension,only windows
& door locks,limited body functions,
not suspension system

I would replace all four corners with conventional
struts/shocks & disconnect the air system,then
you have something worth having on your car

Jan 24, 2013 | 2003 Mercury Grand Marquis

1 Answer

Air compressor for rear air bags wiil not kick on


Have you checked the height sensor and the fuse for the pump ?

Aug 20, 2012 | 2006 GMC Envoy

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

2002 envoy rear suspension has collasped. The


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

Jun 02, 2010 | 2002 GMC Envoy

1 Answer

I have an 06 gmc envoy denali xl and i'm having a rear end saggin


There is a bulletin for this problem.You have to go to the dealership and have the air spring sensor calibrated.Only the dealers can do this calibration.It does not take long to calibrate a vehicle.Unless they find a different problem.Hope this helps.Good luck.

Mar 25, 2010 | 2006 GMC Envoy XL Denali

2 Answers

My 92 seville is sagging in the back any ideas on


Yes doe's your car, have the air ride suspension if so you need to replace the air pump or the air ride shocks on the rear or look for a valve under the rear bumper or in the trunk to inflate the shocks.. if nowhere to be found then take your car, in to a shop.
Good Luck!

Feb 06, 2010 | 1992 Cadillac Seville

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