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Old 06-04-2024, 08:50 PM   #1
Drives: Camaro V6
Join Date: Feb 2013
Location: Florida
Posts: 14
A/C System Leaking/Not Working, what is this port?

2011 v6 LLT, 135k...

I have noticed for a little while this little cap, which looks to run from the radiator to the back/bottom of the engine has been leaking green neon fluid.

Recently taking it out for a drive the AC no longer works at all... blender door opens/closes no issues... fans comes on full blast and both radiator fans come on but the vents only blow warm air when set to AC.

What is this, and why would it possibly be leaking?

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Old 06-04-2024, 11:02 PM   #2
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Drives: 2013 Camaro SS
Join Date: Nov 2011
Location: Scottsdale, AZ
Posts: 1,714
As many a/c problems that these cars have and that I've read about on here, apparently these service valves are a huge weak point that leak very often.
Make sure your system is empty then change the valve and recharge the system.
2013 AGM Camaro 2SS/RS M6 | LSA Blower, 2.5" pulley, 10% lower, FIC1000's, Fore Innovations Twin Pump fuel system w/ Flex Fuel, CMS Custom Grind Cam, Kooks 1 7/8" headers w/ catless off-road pipes, NPP Exhaust, 3.91's, JLT ZL1 Intake, Prospeed Heat Exchanger | Pfadt Suspension, 1LE Sway Bars | DSS 1000hp axles |
Tuned by Ryne @ CMS E85: 734rwhp/636rwtq (mustang dyno)
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Old 06-05-2024, 06:09 AM   #3
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Drives: 2013 Chevy Camaro 1LT
Join Date: May 2022
Location: Lacey, Wa
Posts: 91
I heard that gm made those service valves an item to replace every year.
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