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2000 Jeep Cherokee whistling

Tiny
STEVEBACON
  • MEMBER
  • 2000 JEEP CHEROKEE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 16,300 MILES
My 2000 jeep cherokee sport 4wd makes a loud teapot whistlig noise after about a mile it gos off and on I was told it might be a bad smog valve or vacum leak can you please advise
Friday, March 12th, 2010 AT 8:55 PM

1 Reply

Tiny
CJ MEDEVAC
  • MECHANIC
  • 11,005 POSTS
See my profile. My buddy had similar issue with his truck.

We thought at 1st it was the belt, then alternator bearings. After spending over $100.

I made a STUPID suggestion to ear plug 1 ear, and stick a 2 ft. Piece of 3/8 fuel line in the other.

He used it like a stethoscope, and found a vacuum leak just behind the air intake of the engine.

The gasket was acting like a duck call.

He replaced the gasket and used "Indian Head Gasket Sealer" to seal it.

Hope this helped.

Love, Turddog
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Friday, March 12th, 2010 AT 9:38 PM

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