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Weird Squeel-loud hum?

firecadet613

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firecadet613 Enthusiast

firecadet613

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Posted

Well I started up my Blazer (truck in sig) this morning, and I had a loud squeel coming from somewhere around the serpentine belt.  It is something that is driven by the serpentine belt that was making the noise.  The noise was constant.  After my truck warmed up it went away completely, so I'm stumped as to what it is.  After the truck sat a few hours and I started it back up it did not occur again, hopefully it won't happen again tomorrow monring.  Any ideas as to what it could be?  I just replaced the water pump and put on a new Goodyear Gatorback serpentine belt about 5 weeks ago, and everything was fine then.

 

Thanks,

 

Joe

bowtie_pasta Enthusiast

bowtie_pasta

Posted
Posted

Basically you should have no side to side play in the belt tensioner arm.  If it will rock back and forth it needs to be changed.  You can check this with the belt on.  When they get worn the belt will start to wiggle (not ride straight).

 

Mine was changed once by the dealer w/ the previous owner and I changed it once too.  

 

The new one I put on was a Dayco No Slack for around ~$35.

 

later

firecadet613 Enthusiast

firecadet613

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Posted

Hey man thanks for the quick reply.  Just ran out to the garage to check the belt tensioner and thats not it, its tight.  I wanna say it came from my A/C comp, hasn't happened again so I'm not to worried.

 

Joe

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