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High pitch squeaking

786 views 4 replies 3 participants last post by  Howsasha000 
#1 ·
I have a 2001 7.3L turbo diesel Ford F-250 and when I start the truck I can hear a noticeable squeaking sound coming from under the hood. I think it might have to do with the drive/serpentine belt because it is coming apart and I am buying a new one but if you have any other ideas of what it might be I would love to here your thoughts.
 
#2 ·
belt , belt tensioner , idler pulley , water pump
 
#4 ·
i would clean the pulleys too.
my pulleys were so dirty they had tons of grime on them.
 
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