700R4 WHINES IN 4TH GEAR ONLY
01-05-2008, 12:31 PM
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700R4 WHINES IN 4TH GEAR ONLY
HI I HAVE RECENTLY REBUILT 700R4 IN MY 86 TRANS AM. IT WORKS GREAT SHIFTS FINE BUT AS SOON AS IT SHIFTS INTO 4TH GEAR I HEAR A WHINING NOISE IT SEEMS TO GO AWAY AT FREEWAY SPEEDS OR AT LEAST YOU CANT HEAR IT . IT ALSO SEEMS TO BE A LOAD RELATED NOISE AS IF YOU LET OFF IT STOPS. ANY IDEAS WHAT IS GOING ON ????
01-06-2008, 12:57 AM
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Re: 700R4 WHINES IN 4TH GEAR ONLY
They missed a bearing plate upon rebuild...take it back soon. They should have found this while measuring the stackups on the clutchpacks and endplays...
01-06-2008, 12:32 PM
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Axle/Gears: '01 3.42 10 bolt
Re: 700R4 WHINES IN 4TH GEAR ONLY
the bearings in a 700r4 have nothing to do with clutchpack stackup. they do however have to do with transmission endplay measured during assembly. it could be from not enough endplay. it could also be a torque converter or pump related issue.
or (like my old man would say) just turn up the radio..... hehe 
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