Thread: Tranny whine after diff and diff case replace...

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  1. #1 Re: Tranny whine after diff and diff case replace... 
    Transmission Expert Trannyman95's Avatar
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    Did you check the bearing that goes behind the park gear to make sure it is seated properly before you tightened down the housing? If you damaged anything in that area you may have created a new problem. The trans shouldnt whine from being a few quarts low. It may but it really shouldnt, especially after you topped it off.
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  2. #2 Re: Tranny whine after diff and diff case replace... 
    Donating Users Tengis's Avatar
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    Park gear was fine, I pushed it back after I checked the bearing the first time and it never moved after I put it back. Regardless, I had one side covered in vasaline to make sure it sticks there...

    I was under the impression the bearing wouldve kept everything from coming together if it fell?

    Also, something I just thought of, my fluid was pretty damn dirty for a tranny with 10k on it. Maybe all of the material in my fluid was keeping something from whining while the cleaner fluid isnt? I have no idea, so Im totally geussing...
    Last edited by Tengis; 03-31-2008 at 05:07 PM.
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  3. #3 Re: Tranny whine after diff and diff case replace... 
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    often time noise on deceleration is bearing related, especially with rear wheel drive vehicles with diff beairing going out, but we aren't dealing with a rear wheel drive vehicle. You say the noise wasn't present before you did the diff swap? What were you trying to accomplish in doing the diff swap? While you are in park a lot of things are still rotating in the transmission, none of them are the park paul or differential, so if you are hearing the noise in park, you can rule out your diff. Ten thousand origianal miles seems too soon for a bearing or torque converter to go bad, but anything is possible. Were you having trouble with the shaft that splines onto the park pawl and diff sun gear when you were reasembling? How far of a gap did you have between the diff cover and case before you tightened the bolts?
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