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1997 Chevrolet Astro Question: Why would i need to replace rear crank shaft seal and repair transmission output

 

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cooldrive, 4.3L V6, Saint George, UT, November 08, 2011, 11:43
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continued from above...
shaft when there's no obvious oil dripping on garage floor?

Are these repairs necessary for an old car?

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, November 08, 2011, 21:23
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     Master

    If the transmission is being repaired and is already out of the vehicle it would be prudent to replace the rear crankshaft seal as if it leaked at a later date the whole transmission would have to be removed to replace it. The cost of replacing it now with everything removed is minor by comparison.

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    cooldrive, November 09, 2011, 14:52
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    To clarify, these are suggestions made by a mechanic during an oil change and not because i needed any transmission repair. I don't know how he came to the conclusion that such repairs/services are needed as I did not notice any leaking of oil on the garage floor or anything wrong with the car. I was told that it would cost about $2000 for the repairs. My question is: do I really need to have those repairs done?

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