Replaced water pump - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 Vortec 4.2L I-6 Engine and Drivetrain > OEM Issues

OEM Issues Original Equipment Repairs and/or Problems

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  #1  
Old 02-26-2013, 05:15 PM
TB4494 TB4494 is offline
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2006 Chevy TrailBlazer LS
Imperial Blue Metallic 4.2L I6 2WD
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Exclamation Replaced water pump

Hey guys new to the forum i have a big problem i replaced the water pump in my 2006 trailblazer LS 4.2 V6 and now the fan clutch wont turn on at all and the car keeps overheating i dont know what i did wrong and i need to fix a.s.a.p if any of you can give me some advice or thoughts i need it bad thanks
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  #2  
Old 02-26-2013, 07:23 PM
Loverotties Loverotties is offline
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Check the plug!
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  #3  
Old 02-26-2013, 08:06 PM
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byn2ools byn2ools is offline
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2002 Chevy TrailBlazer LS
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One time when i done one of these when i put the fan shroud back in, The bottom alignment pin of the shroud did not make it back in the hole and when i started to drive it, the shroud blew against the fan so the fan would not turn.
You can see if from under neath i believe.
Check that and let me know.
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Old 02-26-2013, 09:56 PM
TB4494 TB4494 is offline
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2006 Chevy TrailBlazer LS
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Not solved sadly

I checked the plug and the pin is okay but the fan turns on ,runs briefly and then Shuts off and doesnt kick back on and the gauges dont show any sign they just stay around 210
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Old 02-26-2013, 10:20 PM
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byn2ools byn2ools is offline
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2002 Chevy TrailBlazer LS
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Did it set a code? Check engine light come on? If there was an issue with the fan, It should set a code P0495 i think.
You may just have an air pocket in the system.
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Old 02-26-2013, 10:45 PM
TB4494 TB4494 is offline
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2006 Chevy TrailBlazer LS
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Took a video of the fan that I am having problems with

http://www.youtube.com/watch?v=_CYfcwyReRU




This is the video of the fan that isn't acting properly, but also what should I do If there is an air pocket in the system?
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  #7  
Old 02-26-2013, 11:02 PM
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byn2ools byn2ools is offline
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2002 Chevy TrailBlazer LS
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Fan clutch is bad. Sounds awful .
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  #8  
Old 02-26-2013, 11:18 PM
TB4494 TB4494 is offline
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2006 Chevy TrailBlazer LS
Imperial Blue Metallic 4.2L I6 2WD
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Thanks

Im gonna take it to my mechanic and have him put a new one on im done for now with the DIY projects.Most of the things that go wrong with my trailblazer i have fixed my self but im gonna leave this one to him. I'll let you guys know what happens within the next couple of days and hopefully this will end up a solved thread thanks for all the help and brainstorming
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Old 03-02-2013, 01:23 PM
TB4494 TB4494 is offline
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2006 Chevy TrailBlazer LS
Imperial Blue Metallic 4.2L I6 2WD
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Location: orlando,fl
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So i replaced the fan clutch and then something else happened

So i decided to fix the fan clutch myself and then i broke the radiator and also found out my thermostat was faulty.So i took it to a mechanic and it cost me 340 to replace the radiator and the thermostat. So now i have replaced the water pump,thermostat,radiator,fan clutch,gas cap and am getting set of 4 new tires which will run me about 500,So hopefully nothing else goes wrong anytime soon cause im am done for now.Figured i'd update you guys about the progress.
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