Transmission Fluid Recommendation -

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post #1 of 6 Old 05-20-2013, 07:20 PM Thread Starter
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1989 FSJ Wagoneer 
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Transmission Fluid Recommendation

Going to change out the transmission gasket and filter and was hoping someone could recommend a type and brand of transmission fluid for a 89 GrandWagoneer (Automatic).


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post #2 of 6 Old 05-20-2013, 07:34 PM
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I'd buy the stuff from the dealership.
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post #3 of 6 Old 05-20-2013, 08:46 PM
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The spec fluid for the auto it has (TF727) is Dexron III. Pick a brand of your choice as it has the same specs and brand is basically a personal preference.
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post #4 of 6 Old 05-21-2013, 09:00 AM Thread Starter
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1989 FSJ Wagoneer 
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Thanks, the spec fluid number is what I was looking for.
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post #5 of 6 Old 05-22-2013, 08:39 PM
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1988 FSJ Wagoneer 
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Interesting. Have same 727 in my 88. Service manual states Chrysler ATF. The Tcase on the other hand required Dexron.

I thought it odd they both did not use same fluid, but followed manual.
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post #6 of 6 Old 05-25-2013, 10:34 AM
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Mopar recommends replacing it with ATF +4 in all Chrysler transmissions. It's a synthetic fluid.

A little more expensive, however, but all synthetics are.
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