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 Post subject: air shocks
PostPosted: Thu Dec 28, 2017 10:16 am 
LE Member

Joined: Sat Dec 09, 2017 12:10 pm
Posts: 7
Year and Trim: 2005 bonneville gxp
hey guys,need some help.all of a sudden my gxp is riding like a buckboard.dont hear the compressor comming on ,so i assume the rear shocks have no air.i see in the trunk there is an air nozzle,but it wont take air and when i put a gauge on it,it reads 0.please help .

 Post subject: Re: air shocks
PostPosted: Sun Jan 07, 2018 11:29 pm 
Posts like an L67
Posts like an L67

Joined: Sun Aug 22, 2010 11:11 pm
Posts: 1588
Location: Ontario, Canada
Year and Trim: 2000 Bonniville SSEi L67
hi, here is your manual............ ... eville.pdf

page 1-115 is fuses - its #45 for air pump - check that first pl.

poverty forces one to do unorthodox things

2000 SSEi
past rides:
1996 SSEi
1992 GTP
1987 Grand Am

 Post subject: Re: air shocks
PostPosted: Mon Jan 08, 2018 12:01 am 
Certified Bonneville Nut
Certified Bonneville Nut
User avatar

Joined: Tue May 27, 2008 8:53 am
Posts: 5353
Location: Las Cruces, NM
Year and Trim: 1993 Buick Park Avenue
1994 Buick Regal Custom
That nozzle in the trunk is actually for using the onboard air pump as an inflator to air up things like tires, balls, etc. There should be no air coming out of it or pressure building from it unless switched on using the nearby trunk switch.

The air system is designed to level off the rear end as weight is added loading the car down. Ideally, the car should set level with no extra weight in the rear. Usually the Factory service manual advises to confirm correct operation by throwing 300lbs of ballast in the trunk (causing a visibly low rear end) and then turning on the key. The car should fire the compressor within 30 seconds, and level off soon after that. You can also turn the key on, and with the trunk open, sit on the trunk lip, and it should get to work soon after sitting.


1993 Buick Park Avenue - 197k - Some odds and ends done - Simply won't die
1994 Buick Regal - 78k - Bone stock - Always ready for a good kicking
1990 Oldsmobile 88 - Gone to a better place

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