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2004 Volvo XC70 Question: Broken rear springs/differential housing cracked at mount

 

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cb55, 2.5L 5 Cylinder Turbo, Lexington, MA, May 05, 2010, 13:17
 Rookie

Anyone seen this problem with their XC70? When changing over to summer wheels/tires, my mechanic noted a broken LR coil spring (some corrosion noted on the spring itself). Preparing to replace spring, he then noticed that the differential housing is cracked at the mount where it bolts up to the subframe.
Have taken car to dealer who reports only having seen a couple of broken springs before, and never this problem with the differential housing. This is a safety issue.
Note that Saab recently issued a service advisory and extended warranty coverage for a problem with premature breakage of front springs due to corrosion. I'm wondering if anyone else has seen this problem with their Volvo. By the way, you would not notice this unless you look for it.

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  • Answer #1

    Bret Bodas from RepairPal Test Shop, May 06, 2010, 08:39
     Master

    Did you have the dealer check for any recalls or technical service bulletins for this issue?

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    cb55, June 09, 2010, 19:47
     Rookie

    Thanks for your answer - yes, but there are no TSBs or recalls on this issue. When I contacted Volvo they said they had never heard of this problem happening. This is a $5k repair using new parts. Since Volvo has no intention of fixing it (car has 89k miles and is out of warranty), I'm wondering whether replacing with a used differential is a good option.

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