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About Tim hagan
Expertise
Can answer most questions on GMC and Pontiac or similar body styles throughout GM

Experience
Most experienced in braking systems, steering, suspension, vehicle stability systems and electronic steering

Organizations
ASE

Education/Credentials
Gm training, ASE certified and State of Michigan Certified

 
   

You are here:  Experts > Home/Garden > Auto Repair > GMC Repair > Olds air shock

GMC Repair - Olds air shock


Expert: Tim hagan - 6/15/2009

Question
QUESTION: My 1996 Olds ninety eight air shocks seem to be pumped up much too tight. The rear end is hiked up and rides like a truck. How do I get the shocks to release their air. The leveling arm on the right rear seems to work (turns pump on & off) but the shocks do not deflate. Any suggestions?

ANSWER: exhaust valve on the compressor is probably failed, you can try removing the air lines to the shocks, but once you turn the key on they will reinflate again, not sure if you can buy just the exhaust valve

---------- FOLLOW-UP ----------

QUESTION: Where is the exhaust valve located? Is it a part of the little compressor located under the right rear fender? Or is that not the air shock compressor?

ANSWER: yes it is in with that compressor at the right rear, not sure if you can buy just that part, seems if i remember correctly you have to buy the compressor assembly, if they even make it still, a lot of things are on phase out and discontinue due to the bankruptcy

---------- FOLLOW-UP ----------

QUESTION: What and where is the sensor/trigger that tells the air shocks and compressor that the weight has been removed, and that the rear of the car is too high and needs to deflate the shocks some? Could that sensor be my problem? I removed the compressor this AM, deflated the shocks, reinstalled. Turned the key on and the compressor did not re-inflate but. Next time I have two guys and four sets of golf clubs in the car, return home and let them out, will the shocks work as they should or will I once again have a hiked up, ride like a truck, auto? Good question is it not. Thanks for all your help this far, I do appreciate it!

Answer
it could be the sensor that is bad, but if it was it would not inflate the rear end up either cause it would not be getting any signal, you can unplud it, it is on the left rear of the suspension, you will see a link going from the body to the sensor, if its unplugged it will not command the suspension compressor to do anything

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