odd squeal when starting up
11-20-2012, 06:17 PM
#1
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odd squeal when starting up
well when I start my vehicle and have the blower running-i hear an odd squeal coming from the engine bay. the blower motor was just replaced so any ideas? After I get up and going I don't hear the noise. this only happens after the vehicle sits a while. Now after getting the power steering pumped replaced it hasn't happened but twice-when it is cold out. (but it's that time of year...)
need any other info?
Thanks everyone.
need any other info?
Thanks everyone.
11-20-2012, 07:10 PM
#2
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Year: 1998 Sport
Model: Cherokee
Engine: 4.0
It may be your belt is to loose. When you have the blower running it put a little extra drag on the engine and can cause the belt to slip. It usually stops when the belt heats up. What ever you do . DO NOT use any belt dressing. Just tighten it. They do have to be pretty tight.
Last edited by RTorrez1; 11-21-2012 at 10:03 AM.
11-20-2012, 07:20 PM
#3
Junior Member
Yes. You belt is loose.
When your blower is on the compressor clutch is engaged. That makes it squeal.
Tighten the **** out of the belt.
When your blower is on the compressor clutch is engaged. That makes it squeal.
Tighten the **** out of the belt.
11-20-2012, 09:23 PM
#5
The serpentine belt. Here's a good write up with pics. Easy DIY. You may have to remove your electric fan to make it easier to get to the two bolts.
http://www.naxja.org/forum/showthread.php?t=1059186
http://www.naxja.org/forum/showthread.php?t=1059186
11-20-2012, 11:35 PM
#7
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Year: 1990
Model: Cherokee
Engine: 4.0 i6
It could be the idler pulley. Atleast mine would squeal at times. Then the bearings popped out and it would clank.. so I replaced it and now it's all better!
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11-21-2012, 05:28 AM
#8
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Year: 1999
Model: Cherokee
Engine: 4.0
I agree that the serpentine belt is the primary suspect here, but it also could be any component along the serpentine route.
Inspect belt for excessive cracking/glazing. Replace it with a Goodyear Gatorback if there is ANY question. And yes, they have to be darn tight to stay quiet!
Inspect belt for excessive cracking/glazing. Replace it with a Goodyear Gatorback if there is ANY question. And yes, they have to be darn tight to stay quiet!
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