Question about 2002 Pontiac Montana

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01 Montana blows cold in rear, not front

Charged the car w/ 134a and the rear blows cold, not the front, but then the charge leaks out. I did it again with a conditioner, and waiting to see,
so is away with car now.
I did see another fill port, drivers side near firewall, but thought that wasa the hi pressure side.
Could there be 2 fill ports?

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  • 82 Answers

Only one charge port. You probably have a leak in one of the lines under the vehicle.

Posted on Jun 22, 2009

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Posted on Jan 02, 2017

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