Question about 1998 Chevrolet Lumina

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Recharge air conditioner where is the valve located that allows me to recharge the air conditioner

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I belive on this year car and make its located under the air filter box, remove the intake hose then the cover for the air filter, remove the filter then remove the lower part of the air box there you will see the filter dryer and the lines coming off the dryer and there will be two fittings to charge the ac system, the smaller fitting is the low side this is the side to charge through, make sure not to overcharge the system and add oil as needed, a good idea is to add dye to the system to help in finding the leak if system goes low again, theres a decal under the hood or on the dryer that tells you how much freon the system can hold. if you under or overcharge the system the air may be cold but future ac damage is for sure, good luck.

Posted on Jul 10, 2010

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  • Master
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Johnjohn is right, under the air filter compartment.

Posted on Jul 10, 2010

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  • Chevrolet Master
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The valve is generally located on the receiver/drier accumulator or the low side piping which is generally thicker in diameter than the high side piping.

On your car you'll see a quick connector that hooks up to the hose that has a can of r134a screwed on the other end.

Start your car and put the a/c on max in order to perform this service.

good luck to you.

Posted on Jul 10, 2010

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