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CRANKSHAFT PULLEY NOISE

Tiny
ALCAPONE
  • MEMBER
  • 1994 TOYOTA COROLLA
  • 110,000 MILES
This am when I started my engine I noticed a funny sound when I popped the hood it was coming from the belt area, on further inspection I noticed my crankshaft pulley moving back and forth from the engine body at perhaps a 5 second interval, could you tell me what might be the problem here? P.S only in idle it acts that way.
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Monday, September 26th, 2011 AT 1:56 AM

6 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
The balancer is coming apart. It needs to be replaced. Replace the belt as well.

Roy
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Monday, September 26th, 2011 AT 2:00 AM
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Also check the lower timing belt gear.
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Monday, September 26th, 2011 AT 11:44 AM
Tiny
ALCAPONE
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  • 4 POSTS
NOW WHAT COULD HAVE CAUSED THIS AND JUST HOW URGENT IT IS TO BE FIXED? OH AND IS THE BALANCER THE CRANKSHAFT PULLEY?
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Monday, September 26th, 2011 AT 12:18 PM
Tiny
ASEMASTER6371
  • MECHANIC
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The pulley has rubber inside it and it wears out over time. I would not wait too long becasue if it comes apart completely, it will leave you stranded.

Roy
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Monday, September 26th, 2011 AT 12:32 PM
Tiny
ALCAPONE
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  • 4 POSTS
Thanks much I guess its because my car was sitting for like 6 weeks due to an accident.
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Monday, September 26th, 2011 AT 3:36 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good luck
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Monday, September 26th, 2011 AT 4:09 PM

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