Question about 2003 Chevrolet Impala

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HOW DO I RECHARGE MY AC IN MY 2003 CHEVY IMPALA

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Find the ac lines off ac compressor and follow the large ac line till u come to the service port ,this is it,use store bought charge hose and freon ,pretty simple but do put to much in need anymore advice roniecon@gmail.com

Posted on Jul 04, 2009

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Posted on Jan 02, 2017

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SOURCE: Recharge AC on my Chevy Impala 2003

You need to follow the ac lines from the ac compressor to the ac condensor to the fire wall behind the engine where it goes to the heater box.There are two connections,both at differant locations,a low side that has a screw on red or blue cap with the letter L on it and a high side with a cap that has the letter H on it.The refridgerant goes into the low side.Hope this helps.

Posted on Mar 10, 2009

  • 116 Answers

SOURCE: Where,exactly, IS the low line

You found the high side port. The other line should have the low side and if it is not on there it might be at the AC evaporator which is a cylinder shape made of aluminum. The cap will have a L on it not a H. Do not force it on the high side.

Posted on Jun 12, 2011

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Recharge ac 2003 Chevy impala


I have heard that the low port is hard to access if you don't mess with the engine alot so you're best bet would be take it to you're nearest shop and have them recharge it

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If you need to recharge the ac system in your car they there is a major leak or problem that you have to fix first. Ac system will run for ever unless they develop a leak and the gas leaks out . Take it to an accredited ac specialist shop and have it checked out first for leaks and the exact nature of the problem

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wuold suggest you replace complete assy clutch and comp this will be more expensive but will be better in the long run if a clutch goes bad usually form to much strain from compressure pressures if you do this at home you will still need to see a shop for vacume on the system before recharge

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Where is the ac refill hose on a 2003 chevy impala


Follow the ac lines from the ac compressor,and look for the large line,it will have the ac service port on it,it will be the only one your charge hose will fit,if this was helpful,please rate,thank you.

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AC Compressor not engaging on 2000 Chevy Impala. Fuses and AC relay okay. No power at compressor. Need wiring diagram. Also need to know if compressor requires 12v for operation. If not what should voltage...


When your R-134a runs too low it will NOT engage the compressor. You need to refill your a/c system before the clutch will engage, I also suggest finding the leak.

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What stuff did you put in it? You might need a freon recharge.

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Recharge AC on my Chevy Impala 2003


You need to follow the ac lines from the ac compressor to the ac condensor to the fire wall behind the engine where it goes to the heater box.There are two connections,both at differant locations,a low side that has a screw on red or blue cap with the letter L on it and a high side with a cap that has the letter H on it.The refridgerant goes into the low side.Hope this helps.

Mar 10, 2009 | 2003 Chevrolet Impala

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