Weird A/C Airflow Problem - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

Reply
 
 
 
Thread Tools Search this Thread
Old 08-17-2006, 05:59 PM   #1
Senior Member
Posts like a Turbo
Thread Starter
 
Join Date: Dec 2005
Location: Michigan
Posts: 241
Thanks: 0
Thanked 0 Times in 0 Posts
marquette97 is on a distinguished road
Default Weird A/C Airflow Problem

MY A/C is nice and cold on the driver side, but the passenger side doesn't get as cold. The rear seat ducts seem to get cold, but have lower airflow (probably normal). The Airflow on both passenger ducts is strong, but its not really all that cold. Both vents on that side feel the same. Any ideas? Does this mean that the A/C is low?
marquette97 is offline   Reply With Quote
Old 08-17-2006, 06:20 PM   #2
Senior Member
True Car Nut
 
Join Date: May 2005
Location: _Phoenix, AZ_ _WCBF '05, '06, '07 Survivor_ ____NEBF '07 Remnant___
Posts: 3,448
Thanks: 0
Thanked 0 Times in 0 Posts
Echo SSEI is on a distinguished road
Default Re: Weird A/C Airflow Problem

Quote:
Originally Posted by marquette97
MY A/C is nice and cold on the driver side, but the passenger side doesn't get as cold. The rear seat ducts seem to get cold, but have lower airflow (probably normal). The Airflow on both passenger ducts is strong, but its not really all that cold. Both vents on that side feel the same. Any ideas? Does this mean that the A/C is low?
We have had a few instances where there is different tempuratures from the driver/passenger vents, but not a whole lot of success figuring out why for a 92-99?

Here is the last time this was discussed:

http://www.bonnevilleclub.com/forum/...senger&start=0
Echo SSEI is offline   Reply With Quote
Old 08-17-2006, 07:09 PM   #3
DINOSAURUS BOOSTUS

Expert Gearhead
 
BillBoost37's Avatar
 
Join Date: Mar 2005
Location: Enfield, CT
Posts: 41,391
Thanks: 0
Thanked 0 Times in 0 Posts
BillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of light
Default

Your ac is not low...it'* all coming from the same duct.

Ensure the vents are fully open and you can not see any restriction in the duct.

As a kid..I accidently dropped a bimetal popping disc into my Mom'* defroster...lol..every time she kicked it on...click!
BillBoost37 is offline   Reply With Quote
Old 08-17-2006, 07:11 PM   #4
Senior Member
Posts like a Turbo
Thread Starter
 
Join Date: Dec 2005
Location: Michigan
Posts: 241
Thanks: 0
Thanked 0 Times in 0 Posts
marquette97 is on a distinguished road
Default

All vents are fully open. Even on the BI-LEVEL setting, the passenger side blows warmer and less dry than the dariver side and rear passenger, on both top and bottom!
marquette97 is offline   Reply With Quote
Old 08-17-2006, 07:12 PM   #5
Senior Member
True Car Nut
 
Join Date: Oct 2002
Location: Groton, CT _NEBF 05, 06, 07_
Posts: 2,703
Thanks: 0
Thanked 0 Times in 0 Posts
markwb is on a distinguished road
Default

Do you have Driver & Passenger Automatic Climate Control, or the Manual Climate Control? There are mixing doors in the Auto Climate Control that sometimes malfunction sending non air conditioned air to one side.
markwb is offline   Reply With Quote
Old 08-17-2006, 07:16 PM   #6
Senior Member
Posts like a Turbo
Thread Starter
 
Join Date: Dec 2005
Location: Michigan
Posts: 241
Thanks: 0
Thanked 0 Times in 0 Posts
marquette97 is on a distinguished road
Default

sorry, I forgot to mention its the manual system
marquette97 is offline   Reply With Quote
Old 08-17-2006, 07:32 PM   #7
Senior Member
True Car Nut
 
Join Date: May 2005
Location: _Phoenix, AZ_ _WCBF '05, '06, '07 Survivor_ ____NEBF '07 Remnant___
Posts: 3,448
Thanks: 0
Thanked 0 Times in 0 Posts
Echo SSEI is on a distinguished road
Default

Quote:
Originally Posted by markwb
Do you have Driver & Passenger Automatic Climate Control, or the Manual Climate Control? There are mixing doors in the Auto Climate Control that sometimes malfunction sending non air conditioned air to one side.
Mark. The automatic climate controls and manual contorls do not provide seperate driver and passenger settings on the pre-2000 Bonnies. Only 2000+ got the option to set different temps, etc. for driver and/or passenger.
Echo SSEI is offline   Reply With Quote
Old 08-17-2006, 08:27 PM   #8
Senior Member
Posts like a Northstar
 
Join Date: Sep 2005
Location: Dayton, OH
Posts: 600
Thanks: 0
Thanked 0 Times in 0 Posts
imidazol is on a distinguished road
Default

Are you saying the Buick and Olds had a separate door to adjust the heater blend on air to passenger side but the Bonnie didn't get that door? Maybe I'm misunderstanding.
imidazol is offline   Reply With Quote
Old 08-17-2006, 09:06 PM   #9
Senior Member
Posts like a Turbo
Thread Starter
 
Join Date: Dec 2005
Location: Michigan
Posts: 241
Thanks: 0
Thanked 0 Times in 0 Posts
marquette97 is on a distinguished road
Default

I think It may be an intermittant thing because later I drove the car and both sides were much more even than they were.
marquette97 is offline   Reply With Quote
Old 08-17-2006, 09:35 PM   #10
Senior Member
True Car Nut
 
Join Date: Oct 2002
Location: Groton, CT _NEBF 05, 06, 07_
Posts: 2,703
Thanks: 0
Thanked 0 Times in 0 Posts
markwb is on a distinguished road
Default

Quote:
Originally Posted by Echo SSEI
Mark. The automatic climate controls and manual contorls do not provide seperate driver and passenger settings on the pre-2000 Bonnies. Only 2000+ got the option to set different temps, etc. for driver and/or passenger.
Wow, I didn't realize that, Bob. I thought the Dual Climate Control was carried over from the 96-99 class Bonnevilles. Oh well, live & learn. Thanks man!
markwb is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
weird weird and really weird 3064datazz 1992-1999 42 07-19-2007 02:03 PM
A/C problem ... Airflow decreases under acceleration JCurtis 1992-1999 15 07-08-2005 11:57 AM
ac airflow Dan2003526 1987-1991 5 03-25-2005 01:13 AM
A/C airflow question tonyg 1992-1999 5 06-15-2004 02:02 PM
Low airflow from dash vents Brian95Blown 1992-1999 3 06-27-2003 02:42 PM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 03:37 PM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.