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Ford F - Series The Ford F-Series lineup offers a plethora of models for every occasion or occupation, starting below $20,000 and climbing beyond double that. The F-Series line offers something on the order of 75 permutations, more than some car companies' entire lineups. All are capable of work or play, even those models with luxurious interiors, and all have four doors.

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Old 05-05-2008, 01:24 PM   #1 (permalink)
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Default transmission pulls when stopped.

I just acquired a 79 f150 supercab. 390cid,and automatic transmission.There`s only 60,000 original miles on this truck.It runs great,drives great and stops the same. The only problem i have with this truck is I have to put thr tranny into neutral when I come to a stop.The tranny still pulls when u come to a stop and the motor will die because of this.Is this an issue with the modulator valve? i just need a little help identifying the problem.Thanks for any help you can offer.
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Old 05-05-2008, 01:32 PM   #2 (permalink)
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Sounds like a converter problem maybe a valve body but that was alittle before my time
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Old 05-05-2008, 06:29 PM   #3 (permalink)
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I doubt its a problem with a modulator valve, that controls the shifts.

I'm curious as to what your idle rpm is?
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Old 05-05-2008, 08:19 PM   #4 (permalink)
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rpm is 1000.
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Old 05-05-2008, 08:23 PM   #5 (permalink)
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Quote:
Originally Posted by raymeg0 View Post
rpm is 1000.
I'd think the idle is too high, try getting it down to 600-750 and see if it gives you problems.
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