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Old 08-30-2014, 02:19 PM   #1
RandyS549's Avatar

Monaco Owners Club
Join Date: Jun 2014
Location: Westminster, SC
Posts: 34
Leaking Air Bag & windshield washer pump not working

I recently purchased a 2000 Monaco Diplomat 38D. I have a slow leak in a rear air bag. Do any of you know of aftermarket suppliers and part numbers for replacement bags? For future reference, I would like information for the front air bags too. Monaco is fond of their bags. I can buy a full tank of fuel (100 gallons) for the cost of one bag.

My windshield washers didn't work. I removed the bottle with the pump installed and went to the local Advance Auto Parts. They had the exact pump in stock for $13 and change. It was a bit of a challenge to get the new pump in place, but with the help of dish washing liquid, it took about 15 minutes. Another problem down and the list is getting shorter.


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Old 08-30-2014, 02:49 PM   #2
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Join Date: Jan 2012
Location: Cincinnati
Posts: 12,629
Air springs don't have to be purchased at the manufacturer. Google it or go to any local truck repair center. They can get the numbers off the old air spring or measure it and match it. Lots cheaper!!


Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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Old 08-30-2014, 02:58 PM   #3
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Posts: 4,278
Air bag slow leak...

Usually they leak fast!

However a ride height valve can leak slow...

If just slightly out of adjustment it will both try to add air and dump at same time.

Ours is a simple butterfly arrangement with two schreader valves inside or something like them.

It is adjusted via tiny screwdriver through the holes where the air hoses go.

Even a chunk of crud will do this.

place blocks under frame or drop your levelers but do not let them touch ground.

Start engine and let air to ride height.

Shut engine off and get soapy water and check valves and bag.
Tony & Lori
1989 Country Coach Savannah SE
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Old 08-30-2014, 03:13 PM   #4
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Join Date: Nov 2013
Location: Houston, Texas
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x2 - i had a leaky valve that produced a slow let down of air in the rear.

I ended up having to replace both rear bags, but only because they were near failure point from age. The leak continued after the change of the airbags. Changed the valves, no more leak.
RVM#78 - -USAF- F-15 Eagle Radar Vet
2005 Fleetwood Revolution
'12 Chevy 2500HD
'15 Airstream International Signature 27FB
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