We have just had a flat tire due to a nail, and it probably cannot be repaired. I have read that there is a very high sensitivity to exactly matching tires on the XC in order to avoid serious damage to the AWD system, and that this requires replacing all four tires in the event that one of them must be replaced. In our case, the current tires have a tread depth of 8/32nds, while a matching new tire will have a depth of 10/32nds. Is it likely that this difference of 2/32nds in tread depth would be enough to cause concern about the AWD system? If one tire would be questionable, would mounting two new tires (both at front, or both at rear) be a better choice, or should we just scrap everything and buy all four new?
Thanks for any insight you folks can provide.
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Mike Sullivan ('91 745 (171k), '93 965 (147k), '95 855T (60k), '98 V70XC (78k). Past Volvo's: '85 744 (256k), '86 245 (165k), '86 245 (195k), '88 745 (208k).
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