how do i stop the air ride from deflating when car is parked

chdcr4
10

Asked by Mar 22, 2013 at 11:51 AM about the 2005 Lincoln Navigator Ultimate 4WD

Question type: Maintenance & Repair

13 Answers

Don't shut it off!

2 out of 2 people think this is helpful.

You can't. Other that what the Judge said. It has a leak. Either the air suspension bladders or, if you are lucky, the small little 3/8 plastic feeder lines from the compressor. But in the meantime, do not drive away until they are fully raised or you will do further damage

3 out of 3 people think this is helpful.

hop under there armed with a squirt bottle full of diluted dish soap and start sprayin' all the parts until it starts puffin' and foamin' and you could chalk the location to find it when all the foam disappears....service this chalk mark!

3 out of 3 people think this is helpful.
kbro
24,685

agree with the other answers but I have seen some of the solenoids go bad that hold and release the pressure, or stick and not seal like there suspossed to. something to keep in mind if no leaks are found otherwise.

3 out of 3 people think this is helpful.

That's a good point kbro. If the height/load sensor(s) go faulty they could be letting it go down

2 out of 2 people think this is helpful.

hmmmm 2005....okay, yeah-equipment failure on this one- no harm in checkin' though~

1 out of 1 people think this is helpful.

....if this were the case wouldn't a "one mississippi, two mississippi" after pullin the ground lug spur a globa reset and....ta da...problem solved?

2 out of 2 people think this is helpful.

Nope. Tried that on my Lincoln before I found the leak, thought it was the height sensors. Hoping it was anyway

1 out of 1 people think this is helpful.
tenspeed
87,135

There's a lot better stuff than dish soap to find leaks. How about some dollar store kid's bubble soap? Plumbers use a product called "Snoop" that will bubble up like crazy with the slightest air leak. Find it in the better hardware stores. It's great for finding bead leaks on tires. --- On air ride suspensions it could be leaking from many things but it has been my experience that the 1/8" plastic lines and fittings fail first. After 4-5 years they get brittle and crack. If you find a leak, shotgun the entire thing and replace it all. -- If the compressor fails, put a Schraider valve under the bumper or in the trunk and pump it up manually when needed.

2 out of 2 people think this is helpful.

Right on TS, good option. And yeah, I meant 1/8 not 3/8

chdcr4
10

what about the vent solenoid on the compressor?

1 out of 1 people think this is helpful.

yah, used to use snoop back in the day, just dishsoap everybody has!

put 12V to it, make it run- if it will. may you have discoved the whole problem here. see if it has continuity as all motors do. could just be the bulls eye on the target!

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