Air ride problems

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May 1, 2022 | 09:21 PM

AidenG

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Cross-Country

Joined: Jun 2019

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Air ride problems

I have a 2008 Ford Expedition Eddie Bauer and I’ve been having a problem with the air ride. When it first started I noticed that in the mornings either only the left side would be deflated and the right inflated. And then occasionally it would be the opposite. Then eventually both went out and I have not been able to get them to air up since. I’ve replaced both air struts, the compressor, the solenoids, and the ride height sensors and still nothing. The most that happens is that the air compressor continuously kicks on and then right back off but the rear end doesn’t lift up at all. Not sure what to do at this point. Any advice is appreciated.

May 2, 2022 | 11:57 AM

aldridgec

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Joined: Mar 2002

Posts: 3,881

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From: Wake Forest, NC

Quote:

Originally Posted by AidenG

You need to see if the VDM is commanding the solenoids. Were these all new parts vs used? If the compressor vent solenoid is not closed, nothing will air up. If you don't have a scanner that has air ride visibility, and even harder to find in cheap units, control, then you can use jumper wires to command the solenoids to verify operation. Disconnect one air line at the rear and see if the compressor is making pressure to it. Then use jumpers to open the solenoids and listen for them to click. It's possible you need the VDM, but verify verify verify. You've thrown all the parts at it you can, except for the VDM, but you could still have a wiring issue. A small light bulb in the connector for the solenoid can indicate if it's being commanded open by the module. Sensors may need to be recalibrated. Lots can be going on here that you just can't see.