I have a Chevy Silverado 3500 dually 1997 7.4 liter engine with an Allison transmission transmission not shifting out into last gear

30

Asked by Feb 07, 2015 at 02:41 PM about the 1997 Chevrolet C/K 3500 Cheyenne Extended Cab LB RWD

Question type: Maintenance & Repair

7 Answers

55,435

Is the transmission fluid level okay? Remember to always rule out the obvious first.

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30

Yes

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30

Yes just will not Chang into last gear but will go into passing gear

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55,435

Passing gear is just downshifting 1 gear.

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30

This is a gas burner

55,435

You should have a 4L80E transmission. It is NOT an Allison. If you push the overdrive button will the light come on?

Best Answer Mark helpful
30

No overdrive button

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