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09-27-2025, 01:08 PM
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#1 |
 Drives: Chevrolet, Camaro Join Date: Jul 2023
Location: FL
Posts: 3
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HVAC suddenly shuts off, both sides go hot with a noise in dash
Hello, 2016 Camaro v6. AC on working well then suddenly turns hot on both Drivers and Passenger side with a noise in the dash when this happens. Shortly later and it works well. I have been fighting this issue for years.
New and programmed HVAC controller, new relay, new low/high pressure switch, new thermal expansion valve. No data codes in computer. Please help. |
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09-28-2025, 10:01 AM
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#2 |
           
Drives: 2SS/RS Join Date: Sep 2008
Location: Western North Carolina
Posts: 7,339
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Check the refrigerant levels?
GM has acknowledged that the high side port is prone to develop a significant leak due to their rubber ball valve design instead of the normal schrader valve and it's recommended to change it ever couple years if using a oem port or swap to an aftermarket port that uses a schrader valve. |
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09-28-2025, 02:20 PM
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#3 |
 
Drives: 2011 SS-RS Join Date: May 2011
Location: FLORIDA
Posts: 13,687
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And maybe post your problem in here. Your cam5 logon will work in here too, mine does. Good luck.
https://www.camaro6.com/forums/forumdisplay.php?f=257
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09-29-2025, 11:00 AM
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#4 |
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Drives: Chevrolet, Camaro Join Date: Jul 2023
Location: FL
Posts: 3
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Thanks, low and high pressures are perfect in spec.
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09-29-2025, 12:39 PM
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#5 |
Drives: 2016 2SS Convertible Join Date: May 2012
Location: St. Louis, MO
Posts: 1,755
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Have you replaced the blend door actuator? Have you ever had mice in the car? If yes, they may have chewed a wire harness.
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10-14-2025, 04:40 PM
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#6 |
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Drives: Chevrolet, Camaro Join Date: Jul 2023
Location: FL
Posts: 3
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No mice, and no I have not replaced the blend door actuator.
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10-15-2025, 03:16 PM
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#7 |
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If it's a loud clicking noise, it's the blend door actuator. Not hard to replace, just hard to get at, most of the time.
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