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

ovr drive

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Old Mar 27, 2012 | 02:05 PM
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blkROCKETz71's Avatar
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Default ovr drive

My truck isn't shifting to ovr drive when I'm on the highway and idk why evrythin seems to work perfectly fine any suggestions on what to ck
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Old Mar 27, 2012 | 03:13 PM
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it doesnt shift into 4th? or is the converter not locking?
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Old Mar 27, 2012 | 03:41 PM
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Originally Posted by nonnieselman
it doesnt shift into 4th? or is the converter not locking?
How can you tell if the converter is locking? It is a slight drop in RPM, like 50ish RPM? When my truck is cold it will go a few miles on the highway till warm, then the RPM's will drop very slightly.
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Old Mar 27, 2012 | 04:25 PM
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Doesn't shift to 4th, bcs rpm around 70 should be at 2k n its goin up to 2500rpm
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