2002 Mercury Sable Engine Squeak

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RAYCHRIS
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  • 1 POST
I have a 2002 Mercury Sable GS with 50,000 miles i just bought it about 2 months ago.( GOOD CAR!)But a few days ago i heard a intermitent squeek in the engine compartment, so I checked it out and i sprayed some silicone lube behind one of the smaller idler pulleys and it stopped and it wasn't very loud in the first place but it just bugged me.I know that it is that pulley but should i replace it soon or can it wait for awhile?
Jan 29, 2006 at 9:21 AM
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LOVESCARS
  • ✓Experienced Mechanic
  • 359 POSTS
try replacing the belt---check idler pulling for worn bearing
Jan 29, 2006 at 9:42 AM
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GODBEAR839
  • ✓Experienced Mechanic
  • 77 POSTS
If it's the idler pulley, (when stoppped) will have some play in it. If it is the pulley and you let it go it could "throw the belt" and you will have no alternator,no power steering and no air conditioning as the belt will shred itself on the pulleys.Having no air conditioner is not too much of a problem but not having power steering will make things difficult for you. I do agree with pud though it is probably just the belt.
Jan 30, 2006 at 12:41 AM

Suggested Repair

Inspect the idler pulley for play or a worn bearing and replace the serpentine belt. If the pulley has play, replace it soon so it does not throw the belt and disable the alternator, power steering, and air conditioning.

Conversation Summary

The owner of a 2002 Mercury Sable GS with 50,000 miles reported an intermittent engine-compartment squeak that quieted after spraying silicone lubricant near a smaller idler pulley, and asked whether the pulley should be replaced soon. Experts advised checking the idler pulley for a worn bearing or play and trying a belt replacement, noting that a failing pulley can throw the belt and cause loss of the alternator, power steering, and air conditioning, though the noise is likely from the belt.

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