Chevy HHR Network Forums
Search

Welcome to the Chevy HHR Network forums. The Chevy HHR Network is the leading resource for Chevy HHR owners.
You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. By joining our FREE community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is fast, simple and absolutely free so please, join our community today!
If you have any problems with the registration process or your account login, please contact us.

Register Forgot Password?
-
Go Back   Chevy HHR Network > General Discussion > Problems/Service/Repairs > Heat gauge and AC not working all of a sudden
-

Problems/Service/Repairs If you have a problem with your HHR, want a tip on repairing or performing a particular service to you HHR here is the place to post!

Reply
 
 
 
submit to reddit
 
LinkBack Thread Tools Search this Thread Display Modes
Old 07-01-2010, 06:39 PM   #1
Member
 
JuMPy's Avatar
 
Join Date: 04-18-2006
Location: Canada
Member #: 803
Posts: 66
Check out my gallery 
Heat gauge and AC not working all of a sudden

Driving home today and the AC just stopped blowing cold, and the heat gauge dropped and reads nothing. The DIC temp reading is just dashes. Car runs fine otherwise. The HVAC blower works, so does the panel selector. The AC light lights up on the panel, the clutch doesn't seem to be activating thou, and of course, no cold air. It's supposed to be in the high 90's this weekend ....really want to fix this LOL

Checked the diode AC clutch fuse under the hood, its a funny looking black fuse located in the #9 position (at least I think its a fuse), and my OHM reader reads nothing on it, so I'm thinking this is the issue

Anyone else have any feedback. Its a holiday here today (Canada Day), so I can't just run out to NAPA and see if they have this funny looking fuse. Its black, about the size of a fuse, has a little arrow marking on top, and the two legs are not side by side, but rather perpendicular....what the heck is this thing?
JuMPy is offline   Reply With Quote
Old 07-01-2010, 06:55 PM   #2
Member
 
Join Date: 05-07-2010
Location: Ardmore Al
Member #: 20787
Posts: 49
Images: 6
Check out my gallery 
It is a relay, sometimes they can reset themselves when you remove them, sometimes they do not. I had this happen with my old Colorado, I just learned to to keep a spare in the console, also for the coorado, i had to go to dealer and get it, the ones at the local parts store were not the same.
gregshhr is offline   Reply With Quote
Old 07-01-2010, 07:16 PM   #3
Senior Member
 
Join Date: 10-05-2007
Location: Port Arthur Texas
Member #: 4495
Posts: 172
Images: 15
Check out my gallery 
is this what the pic looks like
Click the image to open in full size.
__________________
dandhcomputers is offline   Reply With Quote
Old 07-01-2010, 09:54 PM   #4
Senior Member
 
skyeglen's Avatar
 
Join Date: 01-15-2008
Location: michigan
Member #: 5355
Posts: 270
Check out my gallery 
Do you have a CEL displayed? When my DIC temp display was the dashes the CEL code was P0128. Engine Coolant Temperature (ECT) Below Regulating Temperature. Replaced the T-stat and all was good again.

Can't tell you if it affected the A/c as it was Feburary in Michigan but I would think that if there were issues with the cooling system it (BCM) would prevent the A/C from working to avoid possible overheating/damage to the system.
skyeglen is offline   Reply With Quote
Old 07-01-2010, 10:28 PM   #5
Member
 
JuMPy's Avatar
 
Join Date: 04-18-2006
Location: Canada
Member #: 803
Posts: 66
Check out my gallery 
Quote:
Originally Posted by dandhcomputers View Post
is this what the pic looks like
Click the image to open in full size.
That's the one....
JuMPy is offline   Reply With Quote
Old 07-02-2010, 12:03 PM   #6
Member
 
JuMPy's Avatar
 
Join Date: 04-18-2006
Location: Canada
Member #: 803
Posts: 66
Check out my gallery 
never mind, its not the diode ...switched it with the wiper diode and still doesn't work. Not the relay either, as I switched that with the rear hatch release relay.... no change

Anyone have any ideas?
JuMPy is offline   Reply With Quote
Old 07-03-2010, 05:59 AM   #7
Senior Member
 
ballplr's Avatar
 
Join Date: 09-18-2007
Location: Leesburg Va.
Member #: 4359
Posts: 1,106
Images: 17
Check out my gallery 
Quote:
Originally Posted by skyeglen View Post
Do you have a CEL displayed? When my DIC temp display was the dashes the CEL code was P0128. Engine Coolant Temperature (ECT) Below Regulating Temperature. Replaced the T-stat and all was good again.

Can't tell you if it affected the A/c as it was Feburary in Michigan but I would think that if there were issues with the cooling system it (BCM) would prevent the A/C from working to avoid possible overheating/damage to the system.
like he said replace the stat
__________________
08 Black SS 5 speed, lowered with GL, rear sway bar,Depot headlights IPCW Taillights
ballplr is offline   Reply With Quote
Old 07-03-2010, 07:58 AM   #8
Member
 
JuMPy's Avatar
 
Join Date: 04-18-2006
Location: Canada
Member #: 803
Posts: 66
Check out my gallery 
There is no CEL .... will take it in on Monday get scanned.
JuMPy is offline   Reply With Quote
Old 07-03-2010, 08:20 AM   #9
Super Moderator
 
ChevyMgr's Avatar
 
Join Date: 11-23-2007
Location: Texas
Member #: 4865
Posts: 8,367
Images: 707
Check out my gallery 
A bad coolant temperature sensor could cause the gauge to be inop and since there would be no temperature reading to the BCM, it would command the A/C to not come on.
__________________
Some things I know, Some things I don't

ChevyMgr is offline   Reply With Quote
Old 07-03-2010, 11:01 AM   #10
Moderator
 
Join Date: 04-09-2006
Location: Vancouver, BC, Canada
Member #: 757
Posts: 3,700
Images: 65
Check out my gallery 
Check this thread for the procedure to replace the thermostat that a couple have already mentioned as being a likely cause - http://chevyhhr.net/forums/showthread.php?t=24493 - it may or may not throw the p0128 code via the engine check light.

Or as chevyMgr says, it also could be the temp sensor.
whopper is offline   Reply With Quote
Old 07-03-2010, 11:01 AM
 
 
 
submit to reddit
Reply

   
 

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

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 On
Pingbacks are On
Refbacks are On



All times are GMT -5. The time now is 01:12 PM.
vBulletin copyright ©2000 - 2014, Jelsoft Enterprises Ltd. Vb Style © vb-skins.com

Advertising - Privacy Statement - Terms of Service - Cookies - Jobs

Copyright © 2005 - 2013 Internet Brands, Inc. All rights reserved.
Chevy HHR Network Forums