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Old 03-08-2019, 01:53 PM   #1
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DP won’t move

Got back to Atlanta after driving 500 Miles from Florida two weeks ago. Stored Coach in heated warehouse. Coach is a 02 Holiday Rambler Endeavor Cummins 330 ISC. Tried to pull coach out last Saturday but now it won’t move. I started it up and let air pressure build up. When I put it in reverse it felt like the air brakes were still on and would not
move. Code on the transmission key pad showed oL-70, sump temperature too cold. Also code is 2214 - Speed sensor. Before leaving Florida there were no codes or issues. I checked and cleaned all sensors on transmission but still no change. Called Allison and they said start it and let run for 35 minutes then go through the gears five times. That did not resolve any issues. Called two shops that service Allison and one says speed sensor will lock coach down and the other says it’s brake could be causing the problem. I plan on getting underneath tomorrow with electrical tester. Has anyone else experienced this issue and how were you able to resolve it?
Thanks!
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Old 03-08-2019, 02:05 PM   #2
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If you have drum brakes chances are your brake shoes are rusted to your drums. Not a problem really, use more power to force them free, sometimes reverse helps, or get a hammer and punch to force shoes to release
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Old 03-08-2019, 05:17 PM   #3
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Hi ! Welcome to IRV2! We're sure glad you joined the gang!

Sorry I can't help with that. Sounds like the park brakes are still on.

Good luck, happy trails, and God bless!
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Old 03-08-2019, 10:27 PM   #4
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I would try engaging and releasing the parking level a few times in addition to alternating between D and R.
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Old 03-09-2019, 04:23 AM   #5
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I don't think stuck brake shoes would give transmission error codes.

There's more here the sticking brakes, besides it only sat for 2 weeks in heated storage.
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Old 03-09-2019, 06:36 AM   #6
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Quote:
Originally Posted by twinboat View Post
I don't think stuck brake shoes would give transmission error codes.

There's more here the sticking brakes, besides it only sat for 2 weeks in heated storage.
Agreed
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Old 03-09-2019, 11:34 AM   #7
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You’re the man jporietis! If you ever come through Atlanta let me know, dinner is on me. It rained for the last 200 miles of our trip so made sense it could be the brakes rusted to the drums, but seemed unusual since the coach had only sat for about a week but that’s what is was. I was able to break them loose and didn’t even crash through the wall, happy day! Thanks all for your rapid responses to my post!
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Old 03-09-2019, 11:38 AM   #8
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If needed, W.W. Williams is your local Allison-distributor shop. (404)-369-3936
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