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PostPosted: Wed Aug 10, 2016 12:42 am 
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Joined: Sat Nov 21, 2015 2:17 am
Posts: 26
My passenger side vents are warmer then my driver side vents. They also seem to blow slightly weaker than the driver side - but this is marginal. I suspect that either two things are causing us, a blend door that is stuck or not working correctly, or my freon level needs to be checked.

On this forum (http://forums.justcommodores.com.au/ve- ... ement.html) , it seems like the commodore has a blend door relearn procedure by holding down the rear defrost button. This did not seem to do anything for me. Is there an equivalent procedure for our cars? Also, I think the blend door actuator for dual zone is located on the top of the dash rather than by the footwell areas (I checked pass side and only saw recirculation/windshield/foot area actuators, all seem to work fine there). Can anyone confirm the location of the DZ blend actuators?


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PostPosted: Wed Aug 10, 2016 2:05 am 
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Joined: Mon Jul 29, 2013 6:44 am
Posts: 1320
Location: Azusa,CA
All installs of new components in the HVAC system refer to this procedure that is mostly automatic:

Image

This is for a 2011

Maybe unplugging everything and re-plugging would start a big relearn?

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Steve Walker
Azusa, CA
'11 PPV 9C3 Huron White


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PostPosted: Wed Aug 10, 2016 2:42 am 
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Joined: Sat Nov 21, 2015 2:17 am
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Yup, going to try that. If that doesn't work - I'm seeing a lot of G8 guys saying that low/improper Freon level gave them similar symptoms - one side warmer than the other. Bizzare but quite a few members mention it.


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PostPosted: Wed Aug 10, 2016 4:13 pm 
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Joined: Wed Mar 27, 2013 11:47 pm
Posts: 388
Location: Pittsburgh, PA
Refrigerant could be undercharged or even overcharged.

See this thread...
viewtopic.php?f=33&t=1403

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Tom (AKA: Storm)
2011 Caprice 9C3: L77, 7K miles, first-owner, purchased July 2011.
1995 Caprice 9C1: LT1, 176K miles, summer car.
1995 Impala SS: LT1, 20K miles.
1995 Caprice Wagon: LT1, 61K miles.
1995 Caprice Wagon: LT1, 128K miles. Rust In Pieces
1994 Caprice 9C1: LT1, 101K miles, winter car.
1969 Chevy C30: 383ci stroker, 4L80E, rollback car hauler.
1972 Chrysler Newport: 400ci big block, 27K miles, 2-door hardtop.
1969 Dodge Charger: 383ci big block.


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PostPosted: Wed Aug 10, 2016 6:04 pm 
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Joined: Sat Nov 21, 2015 2:17 am
Posts: 26
Pulling the F2 fuse (HVAC BATT) did nothing. Battery reset did nothing. Going to evacuate and refill system next. Thread you linked mentions 18oz refrigerant capacity, can anyone confirm? No stickers under my hood and I do not have the FSM. It is 2011.


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PostPosted: Fri Aug 12, 2016 12:50 am 
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Joined: Thu Nov 29, 2012 4:32 pm
Posts: 1710
Location: East Central Florida
Quote:
18 oz HFC R-134A, 3.3-4.7 oz total PAG oil capacity. Vol 2, Page 10-4 of the 2011 Helm FSM is the source.

Eric


That's directly from the GM service manual (Helm) for the 2011 PPV, note the volume & page number for reference. I'd give you a scanned page copy but I'm not hoisting that large book up on my scanner.

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System Manager and your tourguide for the day. Caprice Alumni, former owner of a 2011 Caprice 9C3 with a Rotofab CAI and front radiator cover, 3.45 LSD Camaro rear diff, Chris Henry performance tune, G8 GT 18" Enkei rims w/Holden lions, custom SLP axle-back muffler set with tips, Holden WM Caprice factory spoiler, Holden SSV leather steering wheel and leather shift knob, Whelen Alpha-12Q airhorn amp. G8 GT rear seat swap, AVS Ventshades.


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PostPosted: Fri Aug 12, 2016 3:32 am 
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Joined: Sat Feb 07, 2015 8:31 pm
Posts: 1615
Location: Pearland, Texas
elc32955 wrote:
Quote:
18 oz HFC R-134A, 3.3-4.7 oz total PAG oil capacity. Vol 2, Page 10-4 of the 2011 Helm FSM is the source.

Eric


That's directly from the GM service manual (Helm) for the 2011 PPV, note the volume & page number for reference. I'd give you a scanned page copy but I'm not hoisting that large book up on my scanner.


You'd shatter the scanner glass!! :shock:

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Gene Beaird,
Pearland, Texas
2012 Caprice 9C1
1992 B4C 1LE Camaro
2010 Tahoe PPV (her car)
1995 DGGM Impala SS
1996 BBB Impala SS (11-second DD)
1985 Firebird - 310 LS1 C Prepared autocross car.
And some others
Do YOU have my SPID?


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PostPosted: Sat Aug 13, 2016 6:48 pm 
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Joined: Sat Nov 21, 2015 2:17 am
Posts: 26
Full Evac + Recharge did the trick. Both sides blowing cold.


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