Is this a bad Torque Converter? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 3 (permalink) Old 10-12-2009, 02:55 AM Thread Starter
Join Date: Oct 2009
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Is this a bad Torque Converter?

Hello, I have a 97 F450 7.3 and I'm getting a buzzing , wheezing type sound from the trans. It does it at low RPMs when there isn't much pressure on the trans, decellerating and when lightly accellerating. The noise doesn't faded in and out but starts and stops instantly leading me to think converter. When you turn the engine off the sound winds down to a stop with the engine. I'm also getting a flashing OD light and hard shifting but I can disconnect the batterys and it shifts great until I go up a hill, then the light flashs again. I'm wondering if a converter or a pump might fix it without a rebuild, the truck only has 63k miles Thanks for any help.
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post #2 of 3 (permalink) Old 10-12-2009, 05:12 PM
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Re: Is this a bad Torque Converter?

See if you can find someone with an AE or a scan gauge near you so you can see what codes your tranny is throwing.

99.5 F250 cclb 4x4...modded, but looks stock
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post #3 of 3 (permalink) Old 10-13-2009, 12:49 AM
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Re: Is this a bad Torque Converter?

If your truck has the speed sensor in the rear end, most likely it is going bad, it is a common cause of flashing OD light, trans acting goofy.


97 F250 SC LB 4x4 Auto 368,000 miles, AD's, 3in down pipe, Straight Pipe,EBPV deleted, DIY Intake, Racer X converter and valve body, Beans tunes
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