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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 4 Days Ago
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Randy Dupree Randy Dupree is offline
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start at the transmission,thats where the problem will be i think.
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  #12  
Old 4 Days Ago
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Brake Cleaner was mentioned earlier in this thread....

For what it's worth, I would avoid using "Brake Cleaner" on Allison transmission connectors....

Notes from Allison about using cleaning solvents:

Clean dirty terminals or connectors with isopropyl alcohol and a cotton swab, or a good quality, non-residue, non-lubricating, cleaning solvent such as LPS Electro Contact Cleaner® or LPS No Flash Electro Contact Cleaner®.

CAUTION:

The cleaning solvent must not be chlorine based, contain petroleum distillates, or conduct electricity. The cleaning solvent should evaporate quickly to prevent the possibility of condensation within the connectors. Always blow or shake any excess cleaner from the connector before assembling it to its mating connector or hardware. Cleaner trapped in the connector can affect the connector seal.
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1991 40' WLWB-WTB 8V92
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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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  #13  
Old 4 Days Ago
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https://www.google.com/search?sca_es...XYwuZn0,st:174

Clearing Allison codes
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  #14  
Old 4 Days Ago
Stretch44875 Stretch44875 is offline
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91 has a different keypad, no mode button
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Dennis and Melissa Viers
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  #15  
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Stretch44875 Stretch44875 is offline
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http://forum.prevostownersgroup.com/...hp/t-6369.html

Has some info
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  #16  
Old 4 Days Ago
Richiebug Richiebug is offline
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Quote:
Originally Posted by atckip View Post
When was the last time the transmission was used. Did the previous owner have this issue? If you haven't already done so, I would clear all codes and start fresh. Are you sure it's just not the keypad sticking not selecting the gear?
I did a quick google search and found this

code 54 — solenoid chain a solenoid diagnostic code will be set in memory if the voltage across the solenoid chain does not equal a pre-set voltage figure.

Do you have good 12v going to the Allison CPU. On my 95 the Allison CPU are in the generator compartment. Make sure all is clean and plugged in.
I'm not far from you if I can help.
Hi ATCKIP

I got lost in Brooks one time trying to take a shortcut to Fayetteville.....lol
So I do know where Brooks is!!

Im headed over to the coach on Wednesday. I will try your suggestion with the plug at curbside. Is there a special way to unplug it?? Twist turn? Any special tools?

You also mentioned a good 12 v going to the CPU....how would I check this?

Finally, how do you reset the solenoid error code??

.........I am not good at this forum yet and was not sure my earlier response actually went to the other members that responded......so I decided to contact you directly. There is a red message on my original post stating J Wyatt moved my post from "How to Use Forum Features"????so I guess I did not post correctly???? I could only find the New Thread box on the how to use page. I will get the hang of this shortly, so please bare with me.

Thanks again for your help,
Richie
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  #17  
Old 4 Days Ago
Dave Stokes Dave Stokes is offline
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Welcome Ritchie, I am just up the road in Atlanta and have family in Thomaston. I firmly believe you have an electrical problem based on what you've posted. I would start with the connections under the drivers window. The connections are easy to figure out and would spray them with electrical cleaner and use som dielectric grease before reassembly. I would also take the advise from the Prevost forum Dennis posted above and remove, disassemble and clean the touch pad. Don't think about the fact that you are taking apart a $3K part. lol just do it. Welcome to Wanderlodge ownership.
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  #18  
Old 4 Days Ago
StarChief StarChief is offline
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Quote:
Originally Posted by Dieselbird01 View Post
Brake Cleaner was mentioned earlier in this thread....

For what it's worth, I would avoid using "Brake Cleaner" on Allison transmission connectors....

Notes from Allison about using cleaning solvents:

Clean dirty terminals or connectors with isopropyl alcohol and a cotton swab, or a good quality, non-residue, non-lubricating, cleaning solvent such as LPS Electro Contact Cleaner® or LPS No Flash Electro Contact Cleaner®.

CAUTION:

The cleaning solvent must not be chlorine based, contain petroleum distillates, or conduct electricity. The cleaning solvent should evaporate quickly to prevent the possibility of condensation within the connectors. Always blow or shake any excess cleaner from the connector before assembling it to its mating connector or hardware. Cleaner trapped in the connector can affect the connector seal.
That’s great info, John. I always carried a small bottle of isopropyl alcohol and swabs in my tool bag for working on plugs on the ships and subs. The alcohol also aided with inserting or extracting pins and cleaning o-rings and gaskets.
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  #19  
Old 4 Days Ago
StarChief StarChief is offline
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Quote:
Originally Posted by Randy Dupree View Post
start at the transmission,thats where the problem will be i think.
The Allison 1000 in my GMC pickup is a baby compared to the ones in the Birds, but the same symptoms of no reverse or barely any movement forward was remedied by cleaning plugs at transmission. It’s a lot easier to crawl under the truck than jacking and blocking up the bus, but I’m with Randy, I would start there first.
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  #20  
Old 4 Days Ago
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Dieselbird01 Dieselbird01 is offline
John Wyatt – Administrator/Moderator
 
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Quote:
Originally Posted by Richiebug View Post
Hi ATCKIP

I got lost in Brooks one time trying to take a shortcut to Fayetteville.....lol
So I do know where Brooks is!!

Im headed over to the coach on Wednesday. I will try your suggestion with the plug at curbside. Is there a special way to unplug it?? Twist turn? Any special tools?

You also mentioned a good 12 v going to the CPU....how would I check this?

Finally, how do you reset the solenoid error code??

.........I am not good at this forum yet and was not sure my earlier response actually went to the other members that responded......so I decided to contact you directly. There is a red message on my original post stating J Wyatt moved my post from "How to Use Forum Features"????so I guess I did not post correctly???? I could only find the New Thread box on the how to use page. I will get the hang of this shortly, so please bare with me.

Thanks again for your help,
Richie
Hi Richie,

You did fine for a first post.

However, we do encourage posting New Threads in a category or topic that pertains to what the Thread is about. In this case, the "Transmission" category seemed a better fit than "How to use the Fourm Features".

Just scroll down the left side of the Home Page and select a category that you think applies to what you're posting and when the page opens, click on the "New Thread" button.

This may help with future Posts:

https://www.wanderlodgeownersgroup.c...read.php?t=918
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1991 40' WLWB-WTB 8V92
Body Number F095567
My Location: http://www.bbirdmaps.com/user1.cfm?user=4

1991 40' WB ...From 2008 - Present
1984 ½ PT-36 .From 2000 - 2008
1973 FC-31 .....From 1991 - 2001
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