2002 Chevy Malibu Loud squealing noise under a load

Tiny
SP0ILDBRT1
  • MEMBER
  • 2002 CHEVROLET MALIBU
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 98,000 MILES
There is a very loud squealing noise whenever I accelerate at any speed. When I let off the gas it stops but continues as soon as I step on the gas again. And I notice that it starts surging around 50-55. Do you know what could be causing this very annoying problem. We have replaced the Fel-pro manifold gasket, cleaned the EGR valve, the trouble codes are P0102B, P0300B, P0404, P0620C, & P1189C.
Monday, April 5th, 2010 AT 3:03 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hi sp0ildbrt1, Welcome to 2carpros and TY for the donation

Squealing noise:

Your probable causes here could be the serpentine belt/tensioner, alternator/AC compressor/power steering pump-bearings

For your surging problem -have the oxygen sensor and MAF sensor checked-
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Wednesday, April 7th, 2010 AT 1:10 PM

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