Thought fan belt at first, no luck. I took it to garage and they couldn't figure it out either... still squealing.
SOURCE: 2003 Chevy Silverado Transfer Case
well make sure it is the tranfercase because if it was u wouldent have 4wd and u wouldent be able to drive it but it would be cheper to rebuild it but make sure first because some people are just out for your money good luck
SOURCE: squealing noise under the hood
I had the same problem, it turned out to be the idler pulley, a 16-20 dollar part. I took about 10 minutes to change myself but an auto shop will do it for 100-120 dollars.
SOURCE: 99 Chevy Malibu belt chirping noise problem.
one or more of the pulley's is defective, most likely the tensioner pulley, but check them all for wear and side to side movement which indicates a worn bearing, this causes the belt to not run true and chirp.
SOURCE: Loud Squeaking noise
Theres two belts, I had the same problem, replaced the other one and it went away.
SOURCE: 2000 chevy impala ls -
You may have a lower intake manifold gasket leak (or a head gasket leak-slightly less probable) the lower intake can leak onto the serpentine belt and fling oil (and/or antifreeze). The lower intake manifold gasket is usually the culprit here. There is much information about changing it if you are inclined to do it yourself. If not, expect around 800 to 1200 to fix at dealer/mechanic. This is usually accompanied by (but not always) oil in the antifreeze, or antifreeze in the oil...
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My 07 uplander is squealing looked under the hood to try to figure out what was going on my power steering pump has been out for a while but it looks like its locking up and is spraying metal shavings out of it what shud I do a power steering pump costs 200 brand new can't afford that
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