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05-25-2013, 04:16 AM
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#1
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Montana Fan
Join Date: Jun 2011
Location: stockton
Posts: 405
M.O.C. #11457
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Alison failure
Just back from 21/2 week trip along Oregon coast. Took truck (Chevy Duramax) to car wash, and when pulled out of car wash parking lot transmission failed, lots of warning signals (stabilitrak failed, shift interlock engaged). Long story short, towed to dealer - failed transmission control module. Dealer said very rare failure, has to order part, will not get truck back for a week. Only bright spots are it is covered under warranty and it did not happen on the trip. Truck has 66,000 miles without any problems. I did keep transmission in manual mode for much of the time while in the Coastal hills and Oregon mountains, but I have always done that. Can't think of any reason why car wash would have played a role -I go there frequently.
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2014 Montana Mountaineer 331 RLT. Winneguard SWM Traveler Satellite Antenna, Progressive 50 amp portable EMS, 6 point Level Up.. 2016 Chevy 3500 Duramax Dually, long bed, B&W Patriot hitch.
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05-25-2013, 04:43 AM
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#2
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Montana Master
Join Date: Dec 2011
Location: Roswell
Posts: 627
M.O.C. #12028
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Did the car wash have under carriage spray sound like a possible water short in control module or wire loom connection, a short in the connection will(can)destroy a ECM, don't know why a transmission module would be any different. Good luck and I hope it was a fluke, and you have no more problems.
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05-25-2013, 05:03 AM
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#3
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Montana Fan
Join Date: Jun 2011
Location: stockton
Posts: 405
M.O.C. #11457
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Car wash did have under carriage wash, but I've been through it over 15 times, plus in rain soaked roads frequently -so, hard to think of that as the cause but who knows.
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2014 Montana Mountaineer 331 RLT. Winneguard SWM Traveler Satellite Antenna, Progressive 50 amp portable EMS, 6 point Level Up.. 2016 Chevy 3500 Duramax Dually, long bed, B&W Patriot hitch.
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05-25-2013, 06:08 AM
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#4
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Montana Master
Join Date: Dec 2011
Location: Roswell
Posts: 627
M.O.C. #12028
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Rain spray and a direct pressure are different animals. Vibration can loosen up the gel seal on the wire loom connections, I have seen ECM failures due to high pressure washes. Water and electrical connections just don't mix well. My money is its a fluke failure. Thank goodness for warranty. Sometimes the dealers will send bad parts back for exam and get a little feed back on what happened. If they do, ask them to keep you in the loop and let you know what may have caused it. Due to the electronics involved, not a lot to go wrong, voltage variable, heat or short(resulting in voltage variable)
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05-26-2013, 05:22 AM
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#5
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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Those Allison trannys have a great reputation. Wish I had one in my ford.
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Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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05-26-2013, 03:41 PM
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#6
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Montana Master
Join Date: Jan 2013
Location: Bridgewater
Posts: 1,196
M.O.C. #13166
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True, these transmissions are pretty much bomb-proof. Hope it won't turn out to be anything. The only Allison failures I've read about are on the dieselplace forum where guys build their Duramaxes to the point where the tranny can't handle the torque anymore. The stock trannys are very reliable.
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2010 Montana 3455SA, Mor/Ryde pin, wet bolts, TST 507, Progressive HW50C, GY G614
2019 Silverado D/A 3500HD LTZ DRW CC
B&W Companion
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05-26-2013, 04:28 PM
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#7
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Montana Fan
Join Date: Apr 2011
Location: Baton Rouge
Posts: 431
M.O.C. #11342
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05-27-2013, 12:17 PM
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#8
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Montana Master
Join Date: Nov 2007
Location: Atlanta
Posts: 908
M.O.C. #7915
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We recently returned from a rally for our MH coach. I attended a seminar put on by Allison. Allison now has 100% of the MH market. When asked a question about our usage, he smiled and said that most P/U and MH users of Allisons don't even come near to taxing it's capabilities. The example he gave is how we drive versus how garbage trucks or school buses use their Allisons.
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05-27-2013, 03:06 PM
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#9
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,548
M.O.C. #2283
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You can also find Allisons in 50,000 pound fork trucks but like those in the MHs they aren't the 1000s found in a pickup. The 1000 Allison in the pickups is a GREAT transmission but Fords Torqueshift is too. The dealer I use is the largest in western Virginia. Since the Torqueshift came out in the 2003 Super Duties they have had to go into 3 of them for repair. Less than 1 every 3 years, not a bad record.
Lynwood
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06-02-2013, 05:34 AM
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#10
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Montana Master
Join Date: Aug 2004
Location: Livermore
Posts: 5,142
M.O.C. #1920
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When I worked for BorgWarner, the Allison was (and still is to my knowledge) the best out there. That is what kept me from getting anything other than a GM pickup until Ram added the Aisin this year. My guess is that your failure was either a coincidence or the seal finally failed with water right on it. Good luck getting back on the road.
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Ron and Terrie Ames - MOC #1920/KF0NTA
2021Montana 3230CK Super Solar Legacy Package
2021 Ram 3500 Laramie Longhorn, BIM Charging
4x4, SRW, LB, Crew Cab, Pullrite 3900 Hitch
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06-09-2013, 06:37 PM
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#11
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Montana Fan
Join Date: Apr 2011
Location: Baton Rouge
Posts: 431
M.O.C. #11342
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Max input torque rating, 2010:
FORD 1,400 lb-ft
ALLISON: Estimated. 775 - 800 lb-ft
Chrysler DODGE N/A, same input torque rating designation "8" (1-10 scale) as 48RE
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