Mine went out at around 95K.

$200 is a good price for labor.

Install isn't hard, but it's very time consuming due to the number of other components necessary to remove first. Also pump bolts are tricky to reach.

A good time to replace the tensioner if it's problematic.

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car