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How do you bypass air conditioner for a 89 Trans-Aire Chervolet Van 20 Series when installing shorter serpentine belt?

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Did you check with your local autostore for ac bypass pulley for your vehicle, maybe they could order one for you?

Posted on Dec 11, 2014


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1 Answer

Install bypass pulley

maybe get shorter serpentine belt ?

Jul 22, 2014 | 2005 Mercury Sable

1 Answer

A/c compressor

Not that I know of just remove the compressor and install a bypass pulley. Should be same fitment. W0133-1628940 is the preferred belt

Mar 21, 2014 | 1997 Ford Taurus

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Air conditioner seized, is there a serpentine belt i can put on to bypass the air conditioner, cannnot afford to get the air fixed, need transportation asap.

Hello Bernie, If the compresser is locked up, but the electric clutch will still spin free, then simply disconnect power to it, just thought i would mention that in case that was problem.

The way the belt is routed, it is hard to get the proper tension on the belt by using a shorter belt. It's a trial an error ordeal of trying many different lengths of belts until you find the right one, if at all.

There is also a bypass pulley that you can purchase that will mount in place of the seized AC compressor on the 3.0 litre engine---It will bolt in to place with the orginal bolts and you can retain the use of the orginal belt. No cutting, drilling or other modifications required.

Good luck, & i hope this helps FixYa!

Aug 24, 2011 | 2004 Mercury Sable

2 Answers

My compressor is bad on my 2000 pontiac sunfire 2.4, i am wanting to bypass the belt with a new (smaller belt) can u please tell me what size i will need


Improve the experience for everyone by voting!

What you are looking for is called an 'air conditioner compressor bypass pulley'. Most chain auto parts stores have them in stock.

All you do is install the bypass pulley and use a shorter belt.

The only downside is the cost of $25-$40. That's about one-third the cost of a remanufactured unit and the labor is compatible.

All the best


Jun 18, 2011 | 2000 Pontiac Sunfire

1 Answer

I want to bypass the air condition unit with serpentine belt need to know how that would effect the water pump.

The serpentine belt is meant to run everything at once. it is a tricky situation trying to bypass a pulley. If the pulley is located at the bottom of the serpentine relay, you should be able to buy a shorter belt and bypass the A/C, but make sure to incorporate the water pump or you're asking for a seized engine. It may or may not be possible. i did it on an 89 Escort, but it was simple and the A/C was located at the bottom of the serpentine cycle. The original belt was 23" and the new belt was 19". Just make sure to wrap the belt around the water pump as it probably runs your timing belt as well.

Jun 03, 2011 | 1994 Chevrolet Beretta

1 Answer

Air con disconected

If the air compressor is bad... check the diagram under the hood for the serpentine belt. Most vehicles will have a diagram that displays the serpentine belt path along with a part number for a shorter belt to bypass the ac compressor. If you can't find the diagram, go to your local parts store and they should be able to help.

Jun 11, 2009 | 1996 Audi A4

1 Answer

Pully on air compressor broke.

Yes, It will Work. Just make sure that the Place where you get the Belt will allow you to Return the Belt if it will not Fit. Sometimes you may need a Shorter or Longer Belt. Please Rate My Response! Thanks!

Feb 02, 2009 | 1989 Oldsmobile Cutlass Ciera

2 Answers


Some Parts Stores Have A/C Bypas Belts you should call around

Jan 28, 2009 | 2001 Ford Taurus

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