Check Engine Light and/or Excessive Fan Noise on Buick Rainier

The cooling fan clutch may fail causing excessive fan noise and/or the Check Engine Light to illuminate.

RepairPal Verified
Average mileage: 130,160 (95,000–175,000)
Engines affected: 4.2L 6 Cylinder, 5.3L V8
4 model years affected: 2004, 2005, 2006, 2007
12 people reported this problem
3 people shared problem details
2005 Buick Rainier- 4.2L 6 Cylinder118,000
fan noise and check engine light on
2007 Buick Rainier- 4.2L 6 Cylinder128,000
loose fan, noise when idling
2004 Buick Rainier- 4.2L 6 Cylinder140,120
diagnosed from engine code after check engine light came on.
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