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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Why does the tranmission slip when cold?

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Old Jul 23, 2007 | 05:53 PM
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Why does the tranmission slip when cold?

Hey Y'all,

I have a 82 F150, 302, AOD at 110K miles. When it is cold and I accelerate from a stop, it seems to bog down, then shifts hard into the next gear. This only happens when the truck is cold. After driving a handful of miles, it no longer does this.

Anybody have an idea what the problem is? Would it be a simple fix, is it a matter of replacing just a few parts in the trans, or is a trans rebuild in order?

Thanks!
 
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Old Jul 23, 2007 | 06:13 PM
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Try some Seafoam transmission conditioner...just add it to the fluid...it's worked wonders with the shifting in my AOD.
 
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Old Jul 23, 2007 | 10:50 PM
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I would check the fluid level. Check it after driving for awhile, and with the engine idling.
 
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Old Jul 24, 2007 | 01:25 AM
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Thanks for the responses. I've checked the level and it looks fine as well as the fluid itself.

RTG - where can I find Seafoam? Is it easily found at local autoparts stores, and just simply called Seafoam?
 
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Old Jul 24, 2007 | 05:36 AM
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I got Seafoam right off the shelf at Autozone. They make a couple of different products including an oil treatment and transmission treatment. I first learned about it in a different thread in this forum. It's great reputation is well earned.
 
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