Can I bypass the AC unit on my 1991 Chevy Corsica by putting a serpentine belt on for the car without AC?

The correct way to do this is to replace the AC Compressor with a bypass pulley. That way the belt and the routing is the same.

https://www.google.com/search?q=1991+chevy+k1500+350+AC+Bypass+Pulley

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Question edited for clarity.
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That is not the way to fix it. You remove the AC Pump and install a bypass pulley. It keeps the same belt, route and tension.

1988*-1995 Chevy Pickup A/C Compressor Bypass Pulley

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People also ask

Can I bypass the AC compressor pulley with a shorter belt?

Yes, this is possible. However, unless it was the AC compressor clutch and pulley which failed, bypassing the AC pulley is unnecessary. Simply disconnect the wire to the AC compressor clutch and that should do the trick.
Oct 9, 2016

They sell a by - pass pully .take A/C compressor off all together , uses same belt that's on .
https://www.1aauto.com/chevy-impala-ac-compressor-bypass-pulley/mo-c/23-80

Get on autozone website. Put in all your data and they will tell you the exact belt. Additionally just take old belt and they will match it

you can change the clutch on the Ac compressor which has the bearing in it so if the bearing is seized you only have to change the clutch on the end and then you can have your AC working as well without changing the belt ,these clutch units are that expensive and if you can remove the bearing and just replace the bearing on its own then the bearing is about 20 euros or so .

You have to take the serpentine belt off first, and then its just a bolt here and there and you'll have the old one out. They're a pain.

simple trick provided you can do this by running some twine around your pulleys allowing for1-2 inches less for slack adjuster an that will pretty close.or they may have for that system without ac meaning the condenser unit.

the models without AC use a AC delete pulley, so there is only one belt size, the pulley goes where the compressor is in your with AC car, contact Ford for the AC delete pulley

Click on the following free direct Link. It has the correct Serpentine Belt Diagrams for your 1991 Chevrolet Sportvan depending on your Engine Size (4.3L. 5.0L, 5.7L or 7.4L) and Options (AC/No AC etc.).

Let me know if this helped, or if you have additional information questions. Feel Free to contact me at FixYa.com!

http://www.2carpros.com/car_repair_information/year/1991/make/chevrolet/model/sportvan/1991_chevrolet_sportvan_drive_belt_routing_diagram.htm