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transmission noise

transmission noise

Postby bam2880 [OP] » Aug 31 2011, 7:19am

i have a 2008 gmc sierra with the 5.3 motor and when i shift from 2nd to 3rd gear i get a noise like somthing is rubbing or somthing but doesnt happen in any other gear what could this be and also it only happens when i am at light throttle it does not happen at wot
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Re: transmission noise

Postby SilverSurferSilverSurfer is online! » Sep 03 2011, 7:09am

New one on me, but it sounds like something I'd let the dealer check out, you should still be under warranty.
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Transmission/DrivetrainTransmission and drivetrain related components. Discuss automatic and manual trans repairs and performance or talk about driveshafts or rear-ends and differentials. Diagnostics of 4-speed, 5-speed, or even 6-speed transmissions.
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