Air suspension issue - Club Touareg Forums
 
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post #1 of 9 Old 10-25-2018 Thread Starter
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Air suspension issue

2005 v8 165k miles.
Front end not raising. Replaced the pump with a used one thinking maybe mine was bad and seems to work fine.
Just replaced the solenoid valve block. Same problem.
If i swap the front and back lines the front will raise. So if i swap them back to normal, what could be telling the front not to raise?
Any help appreciated.
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post #2 of 9 Old 10-25-2018
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Module is all I can guess. Maybe the relay?

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post #3 of 9 Old 10-25-2018
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Have you tried to manually fill each axle via VCDS?

A computer is practically mandatory when trying to diagnose problems with the air suspension.

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post #4 of 9 Old 10-26-2018
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check that level sensors are properly attached to the upper control arms. Also check the electrical connectors going to the level sensors are properly connected and not full of moisture/dirt.

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post #5 of 9 Old 10-26-2018 Thread Starter
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I haven’t looked yet but do I need to pull the wheels to check the level sensors?
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post #6 of 9 Old 10-28-2018 Thread Starter
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Left front level sensor is broke. Got one on order. Hopefully that will fix it. Will update when i install. Thanks
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post #7 of 9 Old 10-29-2018
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Yay! An easy (and relatively inexpensive) fix!

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post #8 of 9 Old 11-04-2018 Thread Starter
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Sensor installed and all is good. Wish i would have checked this first but now i have a 5 year newer compressor and a new solenoid block and learned about the air suspension system. Hopefully no more issues for a while.
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post #9 of 9 Old 11-04-2018
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Always, always, always diagnose an issue before throwing money/parts at it. Be a mechanic, not a parts changer.

Glad you got it sorted out.

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