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I am running a van hools coach 1992 t-840 with allison htb 748 tranny, slips between 1st and 2nd then seems to have a lack of power because it shfts to quick, i am in fourth gear bfore 25 miles per hour, it shifts ok except for that on sloip runs fine over 50mph, no brown or burning smell in the tranny oil.what could be the problem, can anyone reccomend a place to get a used one or rebuilt installed, if its a bad tranny.i am in the ny area
thanks.
ron
It sounds as if you need to pay a visit to your local Allison dealer.
Your transmission is electronically controlled. You can hook it up to a diagnositc computer and your transmission will tell the technician what the problem might be.
When you consider the cost of doing a R&R, the cost of doing a diagnosis doesn't sound like such a bad use of $$.
It sounds as if you need to pay a visit to your local Allison dealer.
Your transmission is electronically controlled. You can hook it up to a diagnositc computer and your transmission will tell the technician what the problem might be.
When you consider the cost of doing a R&R, the cost of doing a diagnosis doesn't sound like such a bad use of $$.
Good luck and happy trails.
Mark O.
sorry i just found out it is a ht740 and allison said the unit is bad.
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