2007 chevy impala 3.5L V6 flex fuel, once engine reaches operating temp and been driving in traffic, once in the stopped position I turn the ac on and I get 1 second squeal.

80

Asked by Aug 27, 2014 at 05:40 PM about the 2007 Chevrolet Impala LS

Question type: Maintenance & Repair

This 1 second squeal happens only when
the engine is opt temp and I turn ac on and
also when in the stopped position if I turn
the steering wheel without the car rolling
the same 1 second squeal occurs.  Belts
are good not crack or have poor tension nor
are they overly tight on tension.  What
gives?

6 Answers

143,385

When I saw your question I was all ready to say check belt tension...but I see you have that covered..but is the serpentine belt aligned on the pulleys?

143,385

click images

143,385

and it does not have to be the tensioner pulley..any of them will do it

143,385

.

80

Ok I could guess possible worn pulleys because the serpentine belt does rest on the idler pulleys and that engine has both smooth and grooved pulleys

80

Thanks guys i appreciate the help and info

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