RV Trip Planning Discussions

Go Back   iRV2 Forums > MOTORHOME FORUMS > Class A Motorhome Discussions
Click Here to Login
Join iRV2 Today

Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts.
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on iRV2
Thread Tools Search this Thread Display Modes
Old 08-25-2011, 03:11 PM   #1
Senior Member
fkloster's Avatar
Vintage RV Owners Club
Join Date: Jul 2009
Location: Beaverton, OR
Posts: 236
20 year old bags lose pressure over time...:

I park bus. Front bags hold pressure for about 7 days before sitting down... Rear bags go down 50% in 12 hours 80% in 24 hours and after about 36 hours sit down. Driving down the road all bags perfect. I have a full HWH 510 series 4 point kick down Jack set that works flawlessly and 4 point air bags.


a) Should i sweat it?
b) If i replace rear bags or have them diagnosed, then replaced (assuming the bags just have slow 20 year leak) how much $$ am I looking @ figuring parts and labor @ $100 an hour?

Thanks in advance and happy trails!

fkloster = Fritz, Erin, Sadie, Bo (& Lucy the Weim)
1991 Beaver Marquis 40' (1,225 ft. lbs. torque)
2011 JGC Overland Summit Toad / U.S Gear Brake
fkloster is offline   Reply With Quote
Join the #1 RV Forum Today - It's Totally Free!

iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? Do you need advice on what products to buy? Or maybe you can give others some advice? No matter where you fit in you'll find that iRV2 is a great community to join. Best of all it's totally FREE!

You are currently viewing our boards as a guest so you have limited access to our community. Please take the time to register and you will gain a lot of great new features including; the ability to participate in discussions, network with other RV owners, see fewer ads, upload photographs, create an RV blog, send private messages and so much, much more!

Old 08-25-2011, 05:03 PM   #2
Senior Member
Triker56's Avatar
Fleetwood Owners Club
Join Date: Jun 2009
Posts: 4,031
If they work going down the road. I see no problem with them.
I dump the air out of mine when leveling.
Doesn't HWH instructions say the same?

I had to replace one front bag on mine as it got a pin hole leak that you could hear. That one bag was over $200 just for the bag.
Even with the pin hole it worked fine driving down the road. It just made the compressor run more.

99 Discovery 34Q ISB
2014 MKS AWD EcoBoost Toad
Fulltime Since "99"
Triker56 is offline   Reply With Quote
Old 08-25-2011, 06:30 PM   #3
Moderator Emeritus
Gary RVRoamer's Avatar

Join Date: Jan 2000
Location: Silver Springs, FL. USA
Posts: 19,192
It is not unusual for the air system to have leaks, and not necessarily in the bags themselves. The ride height valves and air lines often leak too. Right now, my right rear sags in about 6-8 hours, while the rest stay up overnight. And that's after having all leaks repaired just 4 months ago. I'll have it fixed next time its in the shop for something else.

Your compressor can easily keep up with even a major leak, so it's more of a nuisance than a problem.
Gary Brinck
Former owner of 2004 American Tradition
Home is in the Ocala Nat'l Forest near Ocala, FL
Summers in Black Mountain, NC
Gary RVRoamer is offline   Reply With Quote

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Fuel Pressure Rapid Leak Down M&EM Workhorse and Chevrolet Chassis Motorhome Forum 7 02-08-2011 09:54 PM
BEST TIME OF YEAR FOR SERVICE @ NEWMAR OpaRon Newmar Owner's Forum 18 08-16-2007 01:13 PM
The Year in Review (2005) (long) Ken Hatch Northeast Region 8 01-03-2006 03:54 AM
It's finally that time of year! Ken Hatch Northeast Region 5 08-03-2005 05:22 PM

» Featured Campgrounds

Reviews provided by

Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 04:45 AM.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2018, vBulletin Solutions, Inc.