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Transmission Discussion of preventative/corrective maintenance and other technical issues regarding your coach's transmission.

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  #11  
Old 08-30-2018
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isp2952 isp2952 is offline
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Location: 1520 N. Binkley Rd., Larwill, IN 46764
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Quote:
Originally Posted by Big Al View Post
I aired up the coach via shop air and the way Shane suggested. I did not
find an air leak. Do you need to be moving for the retarder system to leak air?
If so then how do you find out whats leaking?
Maybe I'm not using it correctly......... I have been using it to slow me down
and bring me to a stop. Is this the normal way to use it?
Should I use it to first slow me down, turn it off and then use the brake to
stop me the rest of the way?
It sounds like you are using it properly. That is the way I use it and at times I have come to an almost complete stop without ever touching the brake.
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'93 WLWB
Bluebird of Happiness
F397772
2002 Silverado Diesel 2500 HD 4x4
2003 Harley Ultra Classic
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Larwill, IN
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  #12  
Old 10-07-2018
Big Al Big Al is offline
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Default Got it fixed

I finally got the retarder/ air loss problem fixed. I found an old 2010 post where a guy flew John Wyatt to his location to help him fix his retarder. While his problem was not the same as mine. John posted a Hand drawing PDF of the retarder controls. After looking at that I had a better understanding on how it works.

So I crawled under the coach and looked at the controls. Last time I was listening for an air leak and did not hear any air. This time I noticed the stop light switch looked a little compromised. It is the same switch by the bulk oil tank. I found 2 switches on EBay still in the Blue Bird packaging.
Put the new switch in and did a test run and no more air loss.
I think the switch only leaked air when the retarder was needing air and that’s why it wouldn’t leak air when I aired the coach up with shop air.

Thanks to the WOG and especially John Wyatt for helping me
figure this out.







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1989 Blue Bird WB,
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  #13  
Old 10-10-2018
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ICBM99 ICBM99 is offline
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WOG Saves the day again!! Do you still have the pdf drawing handy? If not I can search for it. Always trying to add more stuff for my files.
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Matt & Jennifer White
Alpine, Texas
Full Timing
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  #14  
Old 10-11-2018
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Quote:
Originally Posted by ICBM99 View Post
WOG Saves the day again!! Do you still have the pdf drawing handy? If not I can search for it. Always trying to add more stuff for my files.
Hi Matt,

It's just a crude drawing based on my interpretation of the retarder circuit in Claude Banker's 84.5 PT36 back in 2010 but it's in post #10 of this thread if you care to see it:

https://www.wanderlodgeownersgroup.c...ead.php?t=5335

Maybe Alan missed it but the stop light pressure switch (item 7) was also shown in the drawing that I attached in post #6 of this current thread (the thread that you're looking at right now). That drawing came from the 88 WB Owner's manual/Chassis manual in the WOG data base so it should be more accurate (for an 88 WB anyway).
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Titusville, Florida
1991 40' WLWB-WTB
Body Number F095567
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1991 40' WB ...From 2008 - Present
1984 ½ PT-36 .From 2000 - 2008
1973 FC-31 .....From 1991 - 2001
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  #15  
Old 10-11-2018
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Quote:
Originally Posted by ICBM99 View Post
WOG Saves the day again!! Do you still have the pdf drawing handy? If not I can search for it. Always trying to add more stuff for my files.

Matt, here is the file I have for the 1989-90 Retarder if this will help.
Attached Files
File Type: pdf 1989_90 Wanderlodge Retarder Schematics.pdf (91.1 KB, 9 views)
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Barry & Mary Rhodes
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1990 WB 40 "Northern Lights"
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Last edited by brhodes; 10-11-2018 at 09:32 AM.
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  #16  
Old 10-11-2018
chiplamb chiplamb is offline
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Did you have to pay extra for the BB packaging stop light switches? 8-)
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  #17  
Old 10-11-2018
Big Al Big Al is offline
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Quote:
Originally Posted by Dieselbird01 View Post
Hi Matt,

It's just a crude drawing based on my interpretation of the retarder circuit in Claude Banker's 84.5 PT36 back in 2010 but it's in post #10 of this thread if you care to see it:

https://www.wanderlodgeownersgroup.c...ead.php?t=5335

Maybe Alan missed it but the stop light pressure switch (item 7) was also shown in the drawing that I attached in post #6 of this current thread (the thread that you're looking at right now). That drawing came from the 88 WB Owner's manual/Chassis manual in the WOG data base so it should be more accurate (for an 88 WB anyway).
John,
I saw the stop light switch in post #6. It just couldn't figure it out how it worked until I saw
your drawing. I'm Happy no more air lose and low air alarm.

Quote:
Originally Posted by chiplamb View Post
Did you have to pay extra for the BB packaging stop light switches? 8-)
Did I ever.......... ..........not really.
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1989 Blue Bird WB,
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2018 F150 4x4


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