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thermostat replacement

  1. The 02-09 "How-To" and DIY Section
    I replaced the thermostat on my 2008 Trailblazer and it resolved the P0128 and the AC not coming on in the mornings and on cooler days. A stubby socket wrench with a short extension made quick work of the lower alternator bolt. Fortunately the bolt pulled right out. Pulling the alternator out...
  2. OEM Issues
    Lately my '06 I6 (95K miles) has been regularly throwing a P0128, and it does seem to be running a bit cooler than normal, so I need a new thermostat. I know these forums are full of great how-tos, but I'll probably just pay a pro eventually. My question is, do I really care about this right...
  3. General
    I have a 2008 Trailblazer I6 2WD with 146,000km/91,000 miles in Saudi Arabia. 1. The first and foremost issue is the temp gauge not moving. I first thought it was the thermostat, but when I removed the battery cable and hooked it back up, it worked fine for about 15 minutes of driving, then...
  4. The 02-09 "How-To" and DIY Section
    Getting the P0128 code on my 2003 Envoy 4.2L I6. I am convinced it is the thermostat that is stuck open and I was preparing to replace it this morning. After looking at all the work involved, I have another idea and would like your opinion. Can I install a second thermostat on the upper...
  5. Introductions
    Hey everybody im not sure if ive ever posted before...ive been a member for about 2 or 3 years but mostly just come on to get great advice and find out how to repair certain things on my TB!! I have a charcoal grey 04' TB LT and I love it!!!!Ive had it for about 4 years and it hasnt given me any...
  6. The "How-To" and DIY Section
    Hello All, Well I would like to start of by thanking everyone on this GREAT site for sharing their knowledge. Without you guys/gals I would of never even attempted to replace my thermostat and ECT today (job still not finished) but out of the woods I think? So to not make this to long of a...
  7. OEM Issues
    Everyone i have a 2004 trailblazer and have been getting the thermo senser code P0128... i replaced the temp gauge but now its not reading at all. my truck isnt running hot or anything.. but every now and then the thermostat gauge hand will jump from lowest to highest and then back down to...
  8. Introductions
    http://youtu.be/JMI1DPPup0YHi Everyone i have a 2004 trailblazer and have been getting the thermo senser code P0128... i replaced the temp gauge but now its not reading at all. my truck isnt running hot or anything.. but every now and then the thermostat gauge hand will jump from lowest to...
  9. Introductions
    Hi. My name is MBird and I'm a girl in Michigan who owns a 2004 Trailblazer with an inline 6 contrary to my description above my car ooops ! how do i correct that?
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