GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

Rpms fluctuating

Old Feb 20, 2007 | 12:28 PM
  #1  
pewterZ71's Avatar
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Staging Lane
 
Joined: Jul 2002
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From: Texas
Default Rpms fluctuating

When i hit about 40 to 60 mph my rpms fluctuate about 2-300 rpms and it seems to sound like the lockup is engaging and disengaging..anyone experience this??....also when i turn the tranny seems to rev up...right now on the way to school i turned and i heard a grinding noise like if it was manual and i grinded the gears...any suggestions on what it could be?
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Old Feb 20, 2007 | 12:37 PM
  #2  
CHEVRACER83's Avatar
TECH Senior Member
 
Joined: Jul 2006
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From: Somewhere around -199C
Default

The Grinding Worries Me...

The Locking And Unlocking Could Just Be A Bad Tcc, Or Switch In Trans
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