whistle sound while idling 98 zj
01-27-2013, 02:39 PM
#1
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Year: 1998
Model: Grand Cherokee
Engine: 4.0
whistle sound while idling 98 zj
So iv had this jeep a couple days, and iv fixed oil and tranny leaks and a water leak..but iv yet to drive it anywhere...but while its idleing after it gets warm there's a high pitch whistle (sounds like a tea pot) around the fan area... Any idea, iv thought maybe some kind of bearing but it also sounds like pressure is building somewhere
01-27-2013, 04:20 PM
#2
Old fart with a wrench
Possibly your radiator is boiling because the cap is not holding pressure. Therefore, it IS a teakettle!
01-27-2013, 05:56 PM
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Year: 1998
Model: Grand Cherokee
Engine: 4.0
Ok well I did notice the other day the cap kept dripping after I put it back on but it sounds like its coming from the water pump area, but it doesn't spray or leak water anywhere
01-28-2013, 03:39 AM
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Year: 1998
Model: Grand Cherokee
Engine: 4.0
Well im going to start simple and just replace the radiator cap.. Also curious...my dad has a 99 dodge ram 1500 with the 5.9 magnum, and it just so happened he has a brand new idler pulley he never used..will that fit on my 4.0?
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01-31-2013, 01:45 AM
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Year: 1998
Model: Grand Cherokee
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interesting, I pressure washed the motor the other day and after a few hrs of letting it air dry I let it run and I did notice bubbles between the head and intake but I couldn't tell if it was heat boiling it off or air seeping out...it only does the whistle randomly....its really not that big of a deal just irritating.lol
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