what causes shudder,tork oonvertor or trans.?
10

Asked by Harold Jan 27, 2015 at 06:29 PM about the 1999 Mercury Grand Marquis 4 Dr GS Sedan

Question type: Maintenance & Repair

after trans. gets hot ,it shudders when you first move off.

3 Answers
159,085

Bob answered 9 years ago

Try checking the fluid level changing the transmission fluid. Make sure you use the proper fluid which I am pretty sure is MerconV for your Mercury. There is torque converter shudder and slippage (2 separate issues) when taking off. I am thinking you are having a slipping problem which may be an internal transmission issue, bad burned fluid or low fluid level.

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Trippmeister answered 9 years ago

Change the fluid, and they do make an anti-shudder additive. make sure the torque converter is drained. It has a drain plug. Or, have a shop do a complete flush and change.If there is still a problem, try Lucas transmission additive, it can do wonders. This is a common problem.

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