AC problems....:(
Thread Starter
Race Director
Joined: Oct 1999
Posts: 14,109
Likes: 127
From: www.ncminsurance.com Bowling Green KY Home of the Corvette!
CI 1-2-3-4-5-6-7-8-9-10-11-12 Vet
St. Jude Donor '07-'08
NCM Sinkhole Donor
AC problems....:(
I have a 2000 with Dual Zone Climate Control and I think she is dying...
First problem...Drivers Side blows hot air while the pass. side is cooler....I am assuming this a vac. related problem that is not allowing a vent to open...Is this a hard fix? Any "how-to's"?
Second the external temp guage is stuck at 71 degrees...
Any advice?
Thanks!
Adam Boca
First problem...Drivers Side blows hot air while the pass. side is cooler....I am assuming this a vac. related problem that is not allowing a vent to open...Is this a hard fix? Any "how-to's"?
Second the external temp guage is stuck at 71 degrees...
Any advice?
Thanks!
Adam Boca
Drifting
Joined: May 2006
Posts: 1,409
Likes: 136
From: PHOENIX, AZ Yes, it's true. You are a good woman. Then again, you may be the Antichrist.
Hot on driver's side, cool on passenger's side is common when the refrigerant is low. I'd check freon levels first with set of gauges to make sure the pressures are right and add if necessary.
It can also mean your actuator doors are out of whack and they can be reset, or may need replaced (worst case scenario). Search for actuator door and you'll find lots of reading material.
It can also mean your actuator doors are out of whack and they can be reset, or may need replaced (worst case scenario). Search for actuator door and you'll find lots of reading material.
Melting Slicks
Joined: Aug 1999
Posts: 3,452
Likes: 3
From: Spring, TX
p.s. this failure will cause a couple of weird things to happen. 1. Your a/c will not work correctly in the Auto Mode and 2. you motor may on startup go into the cold weather idle loop.
Thread Starter
Race Director
Joined: Oct 1999
Posts: 14,109
Likes: 127
From: www.ncminsurance.com Bowling Green KY Home of the Corvette!
CI 1-2-3-4-5-6-7-8-9-10-11-12 Vet
St. Jude Donor '07-'08
NCM Sinkhole Donor
Thanks all! I did the search for actuator door and came up with tons of information...
Adam
Adam
Thread Starter
Race Director
Joined: Oct 1999
Posts: 14,109
Likes: 127
From: www.ncminsurance.com Bowling Green KY Home of the Corvette!
CI 1-2-3-4-5-6-7-8-9-10-11-12 Vet
St. Jude Donor '07-'08
NCM Sinkhole Donor
No codes related to the HVAC....Checked my freon pressure and it was good...
Any other options?
Any other options?
Pro
Joined: Jul 2008
Posts: 564
Likes: 1
From: Moyock NC
I had the same problem. Have you disconnected your battery lately? If yes, leave it disconnected over night and then see what happens. I know it sounds crazy but it fixed mine. I got the information from a search on here. I disconnected my battery to do some work and then my problem started same as yours heat on drivers side cold on other side. 1st I left it disconnected for about an hour but that did not fiw it but when I did it over night it worked. It's been 4 or 5 weeks now with no problems.
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Thread Starter
Race Director
Joined: Oct 1999
Posts: 14,109
Likes: 127
From: www.ncminsurance.com Bowling Green KY Home of the Corvette!
CI 1-2-3-4-5-6-7-8-9-10-11-12 Vet
St. Jude Donor '07-'08
NCM Sinkhole Donor
First, many thanks for the responses, I really appreciate the help thus far...
I have tried several items and still having issues....
I disconnected the battery overnight....no dice..
I replaced the external air temp sensor...no dice..
I checked my codes and nothing AC related....
I checked my freon level...no dice, but the pressure was WAY high, and said I needed to seek professional help (snide remarks always welcome)...
I also pulled my AC unit just to see if anything was disconnected...I unpluged the connector and reseated it, and no dice...
Any other thoughts before I take it into the shop?
Thanks for the help and advice thus far!
Adam Boca
Adam Boca
I have tried several items and still having issues....
I disconnected the battery overnight....no dice..
I replaced the external air temp sensor...no dice..
I checked my codes and nothing AC related....
I checked my freon level...no dice, but the pressure was WAY high, and said I needed to seek professional help (snide remarks always welcome)...
I also pulled my AC unit just to see if anything was disconnected...I unpluged the connector and reseated it, and no dice...
Any other thoughts before I take it into the shop?
Thanks for the help and advice thus far!
Adam Boca
Adam Boca
Pro
Joined: Sep 2007
Posts: 735
Likes: 7
From: Bucks County Pa
AC Problems
Hi, going by the steps you have taken so far I would make an educated guess that your compressor is bad, the reason is that if you checked the refrigerant levels correctly and came up with a way high reading with the compressor running at 1000 or 2000 rpm's, that would lead to the problem of bad valves in the compressor. This assumes that your condenser is clean and not blocked, a blocked condenser would also lead to poor AC performance and high readings. This also assumes that the system has not been way overcharged which would also cause high readings, but the temps would be uniform on all vents.
Post the hi side and low side readings of the refrigerant check and we will know more, include the ambient temp, humidity, and rpm's. It's not impossible that your actuators could be out of calibration or bad, but this would not cause way high ref readings. Air in the system could also cause high readings, but they would jump around a lot.
Good Luck
Post the hi side and low side readings of the refrigerant check and we will know more, include the ambient temp, humidity, and rpm's. It's not impossible that your actuators could be out of calibration or bad, but this would not cause way high ref readings. Air in the system could also cause high readings, but they would jump around a lot.
Good Luck
Last edited by bestvettever; Sep 22, 2008 at 02:39 PM.
