tranny slippage question - Ford Powerstroke Diesel Forum
 
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post #1 of 8 Old 01-25-2009, 06:33 PM Thread Starter
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tranny slippage question

ok first off its an 2002 f250 7.3 8inch lift 38 inch tires. When i first start the truck everything is fine shifts fine no problems, as soon as it gets warm (around 180) it wont take off from a stop. When stopped and i take my foot off the brake the truck will not move on its own, if I'm stopped on a hill it'll roll backwards when i let off the brake. I have to rev it up like its building up pressure and then it'll kick into gear and go. no slippage if i get on it on the freeway or anything and doesn't slip in any other gears. I was thinking it might be a torque converter but don't know.

What do you guys think?
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post #2 of 8 Old 01-25-2009, 06:38 PM
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here's a bump bud

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post #3 of 8 Old 01-25-2009, 06:39 PM
PMR = JUNK

 
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Sounds stupid, but gotta start with the basics, have you checked your fluid level?

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post #4 of 8 Old 01-25-2009, 08:56 PM Thread Starter
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ya fluid level is fine, bought the truck used about 30k miles ago, changed fluid when i got it and it smelled burnt. since then I have added a huge cooler and guages, never gets above 200, even in vegas summers
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post #5 of 8 Old 01-25-2009, 09:01 PM
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Quote:
Originally Posted by vegasmike250 View Post
ya fluid level is fine, bought the truck used about 30k miles ago, changed fluid when i got it and it smelled burnt. since then I have added a huge cooler and guages, never gets above 200, even in vegas summers
Changing fluid in a burnt tranny can kill it. You may have done it in

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post #6 of 8 Old 01-25-2009, 09:04 PM
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My buddy has the same truck, same year, same big tires and the exact same problem. He says when he had his chip it, the truck would hesitate like you said then slam into gear. When he took it out, it did just what you're describing. Id be able to tell you what the problem was, but he hasnt had the cash to tear it apart yet.

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post #7 of 8 Old 01-26-2009, 03:11 PM Thread Starter
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well I called john wood and he said it is most likely the center support has warn out and is causing pressure loss. He also said it may be as easy as something is blocking the filter, clutch material maybe, so ill take off the pan and see what it looks like.
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post #8 of 8 Old 01-26-2009, 08:04 PM
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keep us posted

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