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Temp guage flat and Coolant Temp "---"

Old Oct 19, 2009 | 06:25 AM
  #31  
Stryker's Avatar
Senior Member
 
Joined: 09-10-2009
Posts: 170
From: Durham
Originally Posted by ChevyDoctor
Stryker,
It should store a P0128 code that would lead them to the thermostat, and a reflash is not necessary to clear the code after the repair.
Fantastic...thanks for the info!
Old Oct 19, 2009 | 06:38 AM
  #32  
Stryker's Avatar
Senior Member
 
Joined: 09-10-2009
Posts: 170
From: Durham
Just spoke with the service manager and he said it is covered by warranty to bring it on in.

Yay!
Old Oct 19, 2009 | 08:16 AM
  #33  
Smoke Wagon's Avatar
Senior Member
 
Joined: 01-01-2008
Posts: 991
From: Windsor, Ca
It happened to my 06 HHR a few months ago at 74k miles...
which prompted me to do this:


https://www.chevyhhr.net/forums/how-tutorial-library-21/how-save-%24350-00-thermostat-replacement-2-4l-p0128-24493/
Old Oct 27, 2009 | 11:22 PM
  #34  
donnagal's Avatar
 
Joined: 10-04-2009
Posts: 4
From: turtletown tn
my temp is still reading high

hey my temp is averaging about 198. Is this a problem, fluid is good no leaks of any kind. But when i stop in traffic or climb a grade the temp goes up to about 204 or a little more then cools back to no less than 196. What the devil is my problem?
Old Oct 30, 2009 | 10:21 PM
  #35  
skyeglen's Avatar
Senior Member
 
Joined: 01-15-2008
Posts: 265
From: michigan
Hey Donna. Don't think you have anything to worry about with those temps. Do you live/drive in a hilly area? Perhaps your vehicle has to work just a little bit harder than the almost completely flat area I live in. As long as it stays in the 195-205 range you would be called "normal" I belive. You have checked for leaks and don't have any, your fluid is staying up to the proper level, any trapped air has been bled out by now so you should be good to go.

The longer you drive it while keeping an eye on your temps in the above mentioned range the more confident you will be that your repair was a complete success. :-)
Old Nov 8, 2009 | 08:40 PM
  #36  
NEHHRD's Avatar
Member
 
Joined: 04-05-2008
Posts: 87
From: Kitchener/Waterloo
Thanks to this thread I fixed this problem today. Took me an hour as I dropped the nuts a couple times but the CEL is gone and the temp gauge works fine again. Thanks very much posters I saved some much needed coin!
Old Nov 8, 2009 | 09:50 PM
  #37  
whopper's Avatar
Platinum Member
 
Joined: 04-09-2006
Posts: 7,043
From: Vancouver, BC, Canada
Originally Posted by NEHHRD
Thanks to this thread I fixed this problem today. Took me an hour as I dropped the nuts a couple times but the CEL is gone and the temp gauge works fine again. Thanks very much posters I saved some much needed coin!
COOL!!!! And you can take that literally *GRIN*

re: dropped nuts - yeah it is a tight squeeze in there, but doable as you noted.
Old Dec 6, 2009 | 02:53 PM
  #38  
andoll83's Avatar
Senior Member
 
Joined: 12-30-2007
Posts: 256
From: Syracuse, NY
I had my temp gauge replaced under warranty about a month and a half ago, and now it's reading "---" sometimes again.... what gives?
Old Nov 26, 2010 | 01:51 PM
  #39  
voigtsga's Avatar
Senior Member
 
Joined: 08-09-2010
Posts: 158
From: Chattanooga, TN
I may be digging up an old thread here, but Googling this found me the answer to my flat Temp gauge and CEL 128. I just got back from the dealer, and it was replaced under warranty. They were apparently very busy today and I had to wait 3 hours to get it fixed, but as a good note on their part, they programmed a FOB for me for free. I'm not much of a dealer person, but this dealer (Integrity Auto Group, Chattanooga, TN) honestly impresses me. Even at the dealer, the total charge would have been $125. Not that I would have paid the dealer to replace a thermostat I could do myself in 30min for $45, but compared to some of the insane dealer quotes mentioned, this isn't bad at all.
Old Feb 28, 2011 | 08:33 PM
  #40  
hurst2001's Avatar
Senior Member
 
Joined: 09-03-2006
Posts: 498
From: chicago
just a question on a 2.2 engine is it the hose that goes to passenger side or the hose were it goes to driver side to find the thermostat housing? on the 2.4 it looks like the driver side ..thanks

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