Vehicle is a 2000 V70 SE with the n/a 2.4L motor and AW5 transmission w/70K miles; maintained scrupulously. ATF has not been flushed since new. Trans has a history of rough downshifting which was finally solved with a dealer software upgrade.
Have followed the BB debates about ATF flushing. This particular AW5 automatic uses "available thru Volvo only" ATF which is very pricey (I still wonder what the commercial market brand name equivalent may be; so far no one can tell me). Service manuals do not have a recommendation for changing / flushing AW5 ATF. Dealer says the fluid is "dirty" (of course it is, doing its job for 70K miles); but stopped short of trying to sell me a ATF flush.
Any comments about preventive maintenance and flushing for the AW 5 or where else to find the right spec ATF?
Thanks
Robert
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