Low pressure port - Chevy Malibu Forum: Chevrolet Malibu Forums
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post #1 of 2 (permalink) Old 05-22-2011, 02:02 PM Thread Starter
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Low pressure port


I've tried looking across the internet for answers to my question but have found different, conflicting answers. Anyways, I have a 2000 Chevy Malibu base model, not the LS, and I want to recharge my AC. Where is the low pressure port?

Could you please provide the answer in detail as I am a newbie?

Much appreciated!
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post #2 of 2 (permalink) Old 05-22-2011, 03:07 PM
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Re: Low pressure port

If you look down between the alternator and the firewall, towards the ground, you'll see the low pressure port on the line that's run down low, close to the bottom of the motor, from the firewall to the front of the car.

The line runs down the rail in front of the harmonic dampener.

Yes, I curse the idjit that put it there every time I have to touch the A/C on my car (and with almost 300Kmiles, it's been touched a few times ... )


335K miles on original motor and tranny (only motor work 2 x LIM replacement), Monroe SensaTrac struts front and back (new at approx. 300K miles), and Alero discs in back. LS fogs added with custom wiring. HID high beams, HIR low and halogen fogs. Raybestos Pro Grade front rotors and Bendix D747 ceramic pads on front.

Addendum: Rest in peace. Surge tank blew, motor overheated, I think she's lived a long and useful life.

Last edited by RalphP; 05-22-2011 at 03:08 PM. Reason: Added more description of where it was
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