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2005 Pontiac Grand Prix Air conditioning issue

Tiny
STEPH_N_N
  • MEMBER
  • 2005 PONTIAC GRAND PRIX
  • AUTOMATIC
  • 270,000 MILES
My grand prix was sitting for a few months due to being unlicensed. Now that it is driveable, the air conditioning has only been working on the passenger side of the car. The far right vents blow cold air, but all others seem to only blow room temp or warmer. I put frion in it to see if that was the issue but it didn't affect the air at all.
Thank you in advance for any answers.
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Saturday, September 12th, 2015 AT 3:52 PM

1 Reply

Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
It's definitely not a freon issue. If it were, neither side would blow cold. You've got an issue with the air blend doors. The ones for the center and driver side are allowing outside air in. Check to make sure all the wiring and vacuum connectors are solidly connected. Make sure the vacuum lines aren't leaking. Make sure all the actuators on the air box are connected and move freely.
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Sunday, September 13th, 2015 AT 7:55 AM

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