FNG with possible tranny whine, 4R100 - Ford Powerstroke Diesel Forum
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Old 09-20-2013, 05:55 PM
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FNG with possible tranny whine, 4R100

Brand new to diesels with an 02 F250, 7.3 auto, 149k. I have been hearing a whine (not the turbo...) for the last few days and after searching the web I'm freaked out about transmission issues. The whine is mostly present in gear while accelerating, i can slightly hear it in park/neutral as well. The sound is a little higher pitched than a power steering pump, pitch rises with acceleration but doesn't FALL as fast as the RPM with shifts, it lags for just a second then drops and starts the climb again with the next gear (i feel like this is indicative of something?). Runs fine and drives like what I would think is normal, only leak i see looks to be from valve covers making its way to everything. Transmission fluid looks great on the dipstick. Thanks for any help!
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Old 09-26-2013, 04:48 PM
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check ur water pump, I had a powersteering pump making a weird noise too on my old truck just had to deal with it, couldn't find anything wrong with it.
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