Speedometer all of a sudden started reading 60 mph at stop and climbed when accelerating to pegged...
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Speedometer all of a sudden started reading 60 mph at stop and climbed when accelerating to pegged out,then when stopped it would it would read anywhere from 60-90 at stop. This has an allison trans
I have a 04 chevy K2500 4x4 with a grinding noise, it gets worse when shifting into 4hi,will not...
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I have a 04 chevy K2500 4x4 with a grinding noise, it gets worse when shifting into 4hi,will not shift into 4lo, light flashes on control panel, brakes are good, 76K miles highway use