This is strange because I've had very little luck when deliberatly taping the brake to get the transmission to downshift and decellerate the truck, as it should. Me again, and dumb as ever! Posted January 26, Is seems like a common problem with these IC trannys. Thanks Billy. Join Now. Allison Transmission Shifting Made Easier for me. It should only affect the TCM. All Registries.
Took it back to the dealer today and they told me it was low on trans fluid, the internal & external filters were Anybody out there have same problems? iTrader Score: 1 reviews. DelMarVa Diesel Club Member. Quote. › › Allison Transmission Forum. palehorse89's Avatar. Newmar Owners Club.
Join Date: Oct Posts: 8, Quote: Have you used the shift pad to check the transmission fluid level? Have you had the.
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So the result is. Lack of air supply, leaking air lines, malfunctioning check valves and a sticking pressure regulator valve are probable causes of a faulty retarder. It tore up the case and required a replacement unit. After installation of transmission we road tested the vehicle.
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Quote: Originally Posted by kjackson I will check the fluid level today and let you know.
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Or maybe you can give others some advice? Swap out 4.
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In order to make a shift, the TCM uses software and calibration settings of Quote. and if you've been running your truck fairly hard then it will take some.
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Posts: 4. Allison cold shift problems I did check TRANS fluid and it might be a little low but well within limits.
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Quote: Originally Posted by Mike L. View Post. You told us nothing. His shop only does Allison trans upgrades. › › RVing message boards › Tech Talk.
It will go into reverse with no trouble, but will not shift back to neutral or into a forward gear. It looks like 3 of them covers my problem. Regards, Liz Pearce. Sometimes it feels like it's quickly coming down from 3rd to 2nd and then bangs into 1st gear. Thanks for your expertice.