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8.1/Allison Questions

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Old Mar 9, 2011 | 6:16 PM
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DoctorWheels's Avatar
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Default 8.1/Allison Questions

So, we just picked up an 01 2500 with the 8.1 and Allison combo. Being a former Ford guy, I have a question about this truck.

I've been driving it around feeling like it's "heavy"... Almost like something is dragging. Like maybe the brakes are hanging up. I brought it into the shop and all seems to be free...

After driving it tonight, it seems like the transmission is gearing it down. Almost like it's hanging in a low gear. It just seems like it takes alot of skinny pedal to move the truck empty...

I might also mention that the Trans makes a whining noise like a bad alternator. It seems to quiet down a little when it warms up.

Does this seem normal for this combo, or should I start digging more?

Last edited by DoctorWheels; Mar 9, 2011 at 6:20 PM. Reason: I spell like a third grader
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Old Mar 10, 2011 | 3:41 PM
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start digging more you may have a bad tranny
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