How do i tell if the water pump is locked up or if it is the water pump pulley?

1999 MERCURY COUGAR
250,000 MILES
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ADAMEPROUD46
  • MEMBER
  • 1 POST
The pulley doesn't turn but i know the timing chain is fine because the car runs. I tried to replace the belt and idler pulley before i realized the water pump pulley is not turning and that is the cause of my belt burning up.
Aug 3, 2012 at 4:17 PM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
the pulley is bolted to the pump, so yes, the pump is locked up.

Roy
Aug 3, 2012 at 4:20 PM
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