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So my envoy 4wd will not shift into 3rd or D. It revs to 7 grand but doesnt shift. I have no codes on the dash. Small leak in cooler line where it attaches to the radiator. No metal in fluid and fluid is not low. What is this. Im a mom who just needs to fix her kid transporter. I dont have hardly any money so some helpful advice would be super amazing
 

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It's likely that the 3-4 clutch pack has worn out. When the clutches (steels & frictions) apply, every time some wear takes pl.

It's like gray hair ..... it just happens.

Cure? Total rebuild. Hope I'm wrong ... but this isn't usually ..... or only ..... just a control problem.
 
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