Short serpentine belt A/C bypass needed?

Tiny
SCOTTIEXXX
  • MEMBER
  • 2012 CHEVROLET MALIBU
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 150 MILES
I need a shorter belt length for an A/C bypass for my wife's car. Can anyone help me please?
Saturday, November 5th, 2022 AT 2:43 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

I'm not sure of the exact length needed, but you can measure it to make that determination. The easiest thing to use is a cloth tape measurer. The kind people use when sewing.

Take the tape measurer and route it through all of the components being used and bypass the AC compressor.

Since there will be no tension on the belt tensioner when you do this, subtract an inch from the total you measured.

If you take the measurement to a parts store, they can get one for you. Take your old one as well so they see how many ribs it has.

Is the compressor clutch locked at all times?

Let me know.

Joe

PS: I looked up belt routing for this vehicle. The alternator and compressor are the only two things shown, other than the belt tensioner and crankshaft pulley.

I copied what I found and highlighted where I think it would work for you. It's not going to be a very long belt. LOL

See pic below.
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Sunday, November 6th, 2022 AT 8:23 PM

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