is it safe?

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Dec 31, 2009 | 12:51 AM

UPjeep

Thread Starter

Newbie

Joined: Dec 2009

Posts: 8

Likes: 0

From: lk minnetonka,mn/clam lk,wis

Year: 2000

Model: Cherokee

Engine: 4.0 ho efi

is it safe?

Hi guys. Can't sleep. That whisle from some pulley is driving me nuts! I have to drive 400 miles roundtrip tomorrow w kids and dogs.all temps fine andoil pressure excellent. Just installed new coolant hoses, flushed coolant system/new coolant,( heat is excellent now!)New elect radiator fan, new fan clutch, oil change, new air filter, new serpentine belt(good one) w/ little belt dressing, whistle coming from some belt pulley. Comes and goes,loud to faint, then no sound. Weird. Am I worried for nothing?

Dec 31, 2009 | 12:52 AM

trans_am7935

CF Veteran

Joined: May 2009

Posts: 1,844

Likes: 4

From: Glen Burnie, MD

Year: 1994

Model: Cherokee

Engine: 4.0 H.O. K&N, Borla headers, custom down pipe, magnaflow hi-flo cat, flowmaster to turn down tip

are you sure it is coming from a pulley and not your air hoses?

Dec 31, 2009 | 12:58 AM

Mike1998XJ

Senior Member

Joined: Apr 2009

Posts: 922

Likes: 2

From: Grand Haven, Michigan

Year: 1998, 1999

Model: Cherokee

Engine: 4.0

Not saying it is your problem... but I had the same type noise when my belt idler pulley bearing went out. You could pop the belt off, hand rotate the idler pulley and see if it feels like there's sand in there...

Just a possibility.

Mike