My 2002 Holiday Rambler diesel pusher has a slow leak in the drivers side rear. I am told that all "air bags" slowly go down. This one loses air sooner than the others. I measured it over a 3 day weekend. I measured with a tape measure from the top of the wheel well to the pavement. While the other 3 went down about a half of an inch, this one lost two inches. I am planning to have it looked at before any long trip. I don't want to end up along side the road. Do I have them replace all 4 if the one is bad?. I plan on keeping this coach for at least 5 to 10 years.

Before you just replace the bag,check for leaks on all fittings, valves and the plastic line going to the bag. I assume you have an RR8R chassis, so there is 8 air bags total and either one of the 2 on the drivers rear could be leaking or associated plumbing. Don't forget the ride height valve is in this scenario. If it turns out to be a bag and not a hose or fitting then only replace the one that leaks as they are not that prone failure.Blessings Keith

2 inches is kind of down, but it is holding air. I doubt you'd end up on the side of the road from it, but keep an air pump handy if you can't figure it out.

spray the fitting down with soapy water and look for bubbles.

Air Suspension slow leak | Good Sam Community

26 Replies

Executive45
Explorer III
Jul 16, 2013
BE CAREFUL crawling under a non supported coach. If you have levelers, set them before you get under. Better yet...properly support the coach with stands...if you fiddle with a fitting and it comes loose, that coach will fall faster than you can crawl out from under it. I know of a guy who lost his life doing just that....Dennis
6dot6
Explorer
Jul 16, 2013
spray the fitting down with soapy water and look for bubbles.
crasster
Explorer II
Jul 16, 2013
2 inches is kind of down, but it is holding air. I doubt you'd end up on the side of the road from it, but keep an air pump handy if you can't figure it out.
gatorcq
Explorer
Jul 16, 2013
One, only
kdk
Explorer
Jul 16, 2013
Before you just replace the bag,check for leaks on all fittings, valves and the plastic line going to the bag. I assume you have an RR8R chassis, so there is 8 air bags total and either one of the 2 on the drivers rear could be leaking or associated plumbing. Don't forget the ride height valve is in this scenario. If it turns out to be a bag and not a hose or fitting then only replace the one that leaks as they are not that prone failure.
Blessings Keith
midnightsadie
Explorer II
Jul 16, 2013
I

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Air Suspension slow leak

26 Replies

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