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2004 Buick Rainier

Question: Rear Air Bags

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squarepants, 5.3L V8, Riverside, CA, September 25, 2009, 13:54

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Where should look for the sensor that controls the left air bag,
my compressor only fills the right side. I may have a leak but
not sure, is there a way to check???

Thanks for your input

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Answer #1

Oakman September 25, 2009, 15:36

Master

The rear air suspension in your 2004 Buick Rainer has height sensors for both the left and right rear suspension. They are located above the rear axle on each side. Let's not assume however that one is faulty. The rear suspension control module will display fault codes when it detects a fault. The inflator switch LED will blink when a code is present. There is no fault code for a leak or faulty air spring, if the LED is NOT flashing that is most likely where your fault is. Check all of the lines completely to make sure there are no leaks. The compressor is mounted above the rear suspension, my guess is that you have a leak in the air line to the left air spring.

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Visitor, November 10, 2010, 04:45

Oakman: My 2006 Rainer is one inch lower on the left rear side. Where would I start to detect a leak in my left rear bag and its assembly: inside vehicle above axle or underside of vehicle above axle? Al

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sean1, February 16, 2011, 16:55

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where is the rear suspension control module on 2007 rainier? and where is the inflator switch?

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