Question about 1991 Oldsmobile Ninety Eight Regency

4 Answers

Weird noise in a 1991 olds 98

When i shut it off, and take out the key, i hear air coming from behind the rear drivers side wheel, then i hear a sparking sound, then a motor under my hood comes on for about 2 minutes. i have no clue what this is and would mostly like to know. ive had the car for 5 months now and its only been doing this for a week.

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  • ps3gamer164 Aug 06, 2009

    im not sure whether or not i have air ride, my ride height never changes. but that's a big possibility.

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Noise under hood is air pump.
Noise in back is air leaking from self-leveling suspension system.
System should operate when vehicle is on (ie, motor running).
NOT when vehicle is off!
Sounds like someone jiggered the controls and now a hose is leaking.
Good luck. Troubleshooting and solutions could be expensive.

Posted on Apr 15, 2013

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The car has a Air ride suspension pump that levels the car after the motor has been turn off or on ,,the noise you hear is the air shock or the line going to the shock leaking >put the car on ramp or lift mix up some soap and water and spray on the lines and the shock.Watch for the bubbles that will tell you where the leak is

Posted on Apr 13, 2011

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The motor under your hood is the air ride suspension pump. this levels the car out after it is parked. the air that you hear could be a damaged air line or the strut could need to be replaced. dont know what the sparking sound is.

Posted on Sep 22, 2009

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HI. IF YOUR CAR HAS AIR RIDE, THATS IS YOUR PROBLEM. YOU HAVE A AIR VALVE OR AIR BAG PROBLEM. LET ME KNOW. THANKS JIMBO

Posted on Aug 06, 2009

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