Transmission Shake(auto)? -

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Transmission Shake(auto)?

Old 06-16-2006, 08:21 PM
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Default Transmission Shake(auto)?

My "new" '99 Automatic with 4.6 has a transmission shake, especially in OD at low speeds. Feels like it is running on 7 cylinders. I am going to check the TSB's but thought this may be very common and somebody will know what it is and the fix, hopefully! I was told that the tranny needs new fluid and there is an additive that is supposed to remedy this possible converter shake/shimmy. Ring a bell with anyne? Thanks, Mark
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Old 06-16-2006, 09:40 PM
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Default RE: Transmission Shake(auto)?

You might want to post this in the regular 4.6 forum not the '05+ 4.6 as our motors and transmissions have little in common.
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Old 06-16-2006, 09:52 PM
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Default RE: Transmission Shake(auto)?

My 99 GT auto did the same thing. It was still under warranty then and was taken care of. The problem is that I don't remember what the problem was. Sorry, but it must be a common problem.
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Old 06-16-2006, 11:13 PM
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Default RE: Transmission Shake(auto)?

It's the torque converter. Possibly can be fixed with just a fluid and filter change, however I had changed the fluid with the same problems and the shake was still there. Then you have to replace the torque converter to remidity the problem.
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Old 06-16-2006, 11:24 PM
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Default RE: Transmission Shake(auto)?

My Dad ( God rest his soul .. my best friend ) anyway .. he had / my Mom has it now..
a 97 Windstar .. it sounds just like YOUR problem.. but you won't like my answer.. it needed a trans overhaul.. sorry.. as far as adding.. snake oil/ additive.. you are wasting your money and may cause more problems...


best of luck

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Old 06-16-2006, 11:34 PM
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Default RE: Transmission Shake(auto)?

Thanks. I did a google search and came up with the problem and supposed answer. Use the correct Dexron 5 fluid and an additive for the problem. As stated it is the torque converter and if needed then that is what I will have to get! Thanks and I will check out the 4.6 forum for older cars, didn't see it, sorry! Mark
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Old 06-17-2006, 01:25 AM
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Default RE: Transmission Shake(auto)?

Turn of O/D at low speeds.
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