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How do i get my overdrive back? 700r4


Guest hwk60

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I was used to cruising at 75mph at 2600rpms....now its 3500rpm for 65 lousy mph!!!!! gas mileage is crap now also. What went wrong with my tranny? I got the car, and id did sit for 8 years before i got it running agian. Thanks for your support....thanks.

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Some possibilites (there are likely others, I don't run a tranny shop).

I'd pull the tranny dipstick, both to check fluid level, and to smell it. If the fluid is nice and pink or even sort of a root beer color with no burned odor, you may be lucky... if you have a high stall converter it might be that your only problem is in the torque conveter control valve, either bad or not being actuated. That would have you running down the road at an abnomally high rpm due to an unlocked converter.

 

Count the shifts too... is 4th gear really there? Bright clean fluid and no 4th gear could be crud in the valve body.

 

If the fluid smells burned, it's gonna need a rebuild soon. :cry:

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