Thread Tools Search this Thread Display Modes
Old 04-21-2004, 09:34 PM   #1
New Member
Hollister , California
Join Date: Apr 2004
Posts: 1
adjusting trailing axle and towed cars

I'm looking for advice. I'm new here and hope i am doing this right and can find again. I have replaced the trailing axle on my 84' 345 with new controllers one for each side working together to control the rear axle air bags. Even though the controllers let air in and out they do not seem to adequately adjust air when in use letting air out easily but not in as if their is not enough leverage. I have tried both holes on the lever arm. I may be to worried but after driving the trailing axle wheels are splayed out though I can easily them back up to spec. manually.

monkey mobile is offline   Reply With Quote
Old 04-22-2004, 05:28 AM   #2
Just a member
thenewkid64's Avatar
1978 28' Argosy 28
Tampa Bay , Florida
Join Date: Mar 2002
Posts: 4,539
Images: 21
Send a message via AIM to thenewkid64 Send a message via Yahoo to thenewkid64 Send a message via Skype™ to thenewkid64
Welcome to the forum!

If I understand the question:

Airbags will hold air, you can fill manually, they lose air as you travel. Right?

You have replaced the leveling valves on both sides, right?

Does the compressor come on when you start the MH? What air pressure does the dash gauge show?

When you installed the new valves could you have installed the fill and dump tubes in the opposite holes?

Answers to these questions will help us to long distance troubleshoot.

Brett G
WBCCI #5501 AIR # 49
1978 Argosy 28 foot Motorhome

Wise men talk because they have something to say; fools, because they have to say something. -- Plato

thenewkid64 is offline   Reply With Quote
Old 04-22-2004, 06:20 AM   #3
Rivet Master
87MH's Avatar
1978 31' Sovereign
Texas Airstream Harbor , Zavalla, in the Deep East Texas Piney Woods on Lake Sam Rayburn
Join Date: Jan 2003
Posts: 2,435
Images: 292
Tag Axel Controlled Main Bag Extension

On my 345, it takes a bit of forward movement for the bags to properly inflate.

It seems that the control valves require a bit of "on the road" time (a couple of body roll cycles) to "find their groove". If you make a setting change, drive it around the block and observe where the "bag height distance" stabilizes.

Another point, if you have replaced the tag axel, once you get the bags set to where you think they should be, you really need to record the weight supported by each of the four rear tire support areas (the right and left duals, and the right and left tags). If the rear bags are riding too high, too much weight is being carried on the main axel, and the tags are not carrying their fair share of the load. Conversly, if the bags are set too low, the tags will be carrying more weight than what they are rated for.

The only way to check the proper suspension setting (bag height) is to take the vehicle to a scale and record the weight that each of the four rear axel road contact points (tire groups) is actually supporting.

The following threads contain pertinent information.

More threads can be found by using the "Search" icon at the top of your screen and do a search on "Ride Height", "Rear Suspension", or "Bag Pressure".

"Suck it up, spend the bucks, do it right the first time."

WBCCI # 1113
AirForums #1737

Trailer '78 31' Sovereign

Living Large at an Airstream Park on the Largest Lake Totally Contained in Texas
Texas Airstream Harbor, Inc.
87MH 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
POLL: Axle Replacement Safari Tim Axles 45 01-30-2006 09:02 PM
one or two axle? vallan1980 Airstream Trailer Forums 5 09-17-2002 05:47 PM

Virginia Campgrounds

Reviews provided by

Our Communities

Our communities encompass many different hobbies and interests, but each one is built on friendly, intelligent membership.

» More about our Communities

Automotive Communities

Our Automotive communities encompass many different makes and models. From U.S. domestics to European Saloons.

» More about our Automotive Communities

Marine Communities

Our Marine websites focus on Cruising and Sailing Vessels, including forums and the largest cruising Wiki project on the web today.

» More about our Marine Communities

Copyright 2002-2015 Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 02:45 PM.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2016, Jelsoft Enterprises Ltd.

Airstream is a registered trademark of Airstream Inc. All rights reserved. Airstream trademark used under license to Social Knowledge LLC.