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2002 Mazda 626 Squealing.

Tiny
WINDCHICK12
  • MEMBER
  • 2002 MAZDA 626
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 85,000 MILES
I got in an accident in March 2009 and before the accident had absolutely no issues with my car. But after the accident, it started squealing. I have had the belts, pulleys, and alternator replaced and it is still squealing. It squeals when I start it up every time, when I turn my air or heat on, and when I stop. I would like to get an idea about what could be wrong before I take it to the dealership to get fixed again.
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Monday, October 19th, 2009 AT 9:18 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Hi windchick12,

Thank you for the donation.

There are 2 possible causes for the squealing :

1. Belts not correctly adjusted. Recheck the belt adjustment and tension. This is the more likely cause as new belts sometimes required readjustment after installation.

2. Faulty harmonic balancer, ie a faulty crank pulley. It would cause the outer ring to slip on the main crank pulley.
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Tuesday, October 20th, 2009 AT 8:32 AM

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