driving an Itasca 34' class A MH in KY. MH is on a workhorse chassis w/ a 8.1 engine. I am towing a Chevy Equinox up and down the hills heading for the mtns. in TN. After several hours got a alert on our lcd display saying to "check transmission temp". I slowed down and took it easy for a few miles and it went away. Is this something to be concerned about and have checked? If so what could the problem(s) be?Any info would be appreciated!!!!!!

I have a similar setup with a lighter toad.Have not had that problem or warning.However, if I did, my next stop would be to my trusted Allison repair center for a checkup and diagnosis. That's just me. The Tranny is an expensive proposition to take a chance with warnings.Within the first two years, had the Allison serviced and the torque converter replaced under warranty. The Allison tech said there was a defect in the converter which they discovered during a filter/fluid check when removing the pan.

Have you checked the oil level?

Were you bumping in and out of overdrive or did you lock it out. Constant shifting will cause what you described on steep hills, the trans keeps looking for od and trans overheats.

Probably a good idea to change out the fluid, especially if it has turned a little brown and not a nice clear cherry red. A warning on the dash means that the fluid was seriously overheated. If you change the fluid, switch to Transynd fluid and this will make your tranny run a little cooler.

I didn't lock out the o/d so it was shifting in and out of o/d. So could have been the constant in out of o/d but I'll get it checked out. I have recently had the trans. fluid changed and it does use Transynd fluid.

allison 1000 transmission | Good Sam Community

Coyote74
Explorer
Sep 27, 2014
Were you bumping in and out of overdrive or did you lock it out. Constant shifting will cause what you described on steep hills, the trans keeps looking for od and trans overheats.
Carvin_Marvin
Explorer
Sep 27, 2014
Have you checked the oil level?
RV_CONUS
Explorer
Sep 27, 2014
I have a similar setup with a lighter toad.

Have not had that problem or warning.

However, if I did, my next stop would be to my trusted Allison repair center for a checkup and diagnosis. That's just me. The Tranny is an expensive proposition to take a chance with warnings.

Within the first two years, had the Allison serviced and the torque converter replaced under warranty.

The Allison tech said there was a defect in the converter which they discovered during a filter/fluid check when removing the pan.

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