My compressor and clutch need to be replaced, it wrecked my serpentine belt. Can I somehow bypass the AC system so that I will have heat and defrost but no AC? 2001 Isuzu Rodeo LS

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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.

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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

disconnect power to compressor and see if clutch releases and do search using engine for bypass pulley

the ac is an idler pulley in the system so leaving it out will require a total change of how the belt is fitted and not just needing a shorter belt
remember that the ac pulley bearing can be replaced if faulty and if the ac compressor has failed disconnect the ac clutch wire and there is no need to worry about belts

You evacuate the AC system. You remove the serpentine belt. Then you remove the compressor. But the hoses and secure the cut ends so they don't rattle around. The bypass pulley will fit in place of the compressor. Then you install the serpentine belt

Laurie, why bypass the compressor? - even if it is frozen, as long as the AC clutch is not activated there will not be an issue. To be safe just disconnect the wire powering the AC clutch.

It isnt hard to replace, but, it is illegal to vent refrigerent into the atmosphere(If theres any in the system?!), also you would needs a few "special" tools(vacuum pump, and a/c manifold gauge set to recharge the system! A shorter belt is always available, But, depending how the belt is supposed to be run, you may not be able to go that route! You could try searching for "ac bypass pulley" if you dont want to keep the ac working!(alot cheaper than buying an ac compressor!

more information would be advisable year make model engine --if you have a serpentine (a single belt )leave belt on unless compressor is stuck seized because all other accessories will be affected if compressor is by it self can remove with out problem it wont affect your defrost in winter

Because in most cases the routing will not work without the pulley for the compressor being in use. That's why some engines have a dummy pulley available to use in place of the compressor.
Not using the compressor pulley can cause the belt to drive a pulley the wrong direction, or not have the grooved side of the belt on a pulley.

You may be able to remove compressor and purchase a pulley with an arm that atttaches to the block in place of compressor. Or remove compressor altogether and install a shorter serpentine belt. Hope this has been of some help.

on the 3.8 liter v6, the pulley on the a/c compressor can be replaced if it is locked up (frozen) on the compressor. the question is what is actually locked up? if the a/c compressor is locked up but the a/c compressor pulley turns, then you need to disconnect the wire harness connecter that is on the a/c compressor pulley/clutch so you can run the defrost on the climate control. many GM cars will run the a/c when you switch the climate control to defrost especially in the winter so the a/c system stays lubed and does not lock up the a/c compressor from lack of use. you can then relace the belt without replacing the compressor pulley/clutch assembly. if the compressor pulley/clutch assembly is locked up, it will need to be replaced. i do not believe there is a way to route the belt bypassing the a/c compressor. you dont want the water pump turning in the wrong direction if you reroute the belt wrong or the engine will overheat. i hope this helps!