Volvo AWD V70-XC70 Forum

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Transmission or AWD 'Thud' ..... did I buy a problem? V70-XC70

posted by  kenneth on  Sun Sep 22 04:42 CST 2002
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last visit: Tue Jul 17 01:18 CST 2001
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Last week I purchased a '99 XC with 44k miles which had routinely been serviced at Volvo dealerships. I thoroughly test drove the car before purchasing it. I also bought 4 new Michelin 205-65-15 tires to replace the original BFGoodrich tiress (same size).

The problem: After the car is warmed up and driving in hilly areas, when the transmission downshifts on a grade, there is a definite "thud" and slight vibration. Is this common with the XC? My S70 GLT definitely did not exhibit this downshift behavior.

Fortunately, the car is still under warranty....any comments?

Ken








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Transmission or AWD 'Thud' ..... did I buy a problem? V70-XC70

posted by  wills on  Mon Sep 23 06:27 CST 2002
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Also install synthetic ATF, I noticed smoother shifts as a result. Make sure to change the rear diff ATF as well, and use synthetic there too.

Wills
--
98 R Wagon IPD ECU, 2.5 Dual Exhaust, Dawes MBC, 94 854 turbo, IPD Goodies, 92 740 Rag Wag








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Transmission or AWD 'Thud' ..... did I buy a problem? V70-XC70

posted by  someone claiming to be doug on  Sun Sep 22 08:55 CST 2002 [RELATED]

This can commonly occur if the ATF needs to be flushed. Mine did the same, especially from 5th to 4th. Give it a flush and see if that fixes things. I bet you'll be satisfied.







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