Haldex whine XC60
Hi,
My experience was a whine/drone from the rear of the car at about 70mph, from new.
After nearly 3 years (!) and much too-ing and fro-ing with the dealer, this was traced to the Haldex unit by a Volvo engineer who eventually graced the garage with his presence and almost immediately identified the cause of the noise.
The Haldex unit is allegedly "sealed for life" and there is no mention of opening it in the Volvo service guidance at that time.
The engineer said "open the unit and clean it out". The garage found extremely fine millings in the oil which had collected in the filter. Assume because the unit had not been adequately rinsed during manufacture.
Cleaned out, new filter, reassembled - problem solved.
Given the speed with which the Volvo engineer traced the problem we can only assume that he had encountered the fault in other cars.
Volvo do not acknowledge that this is a repeated problem.
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