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2002 chevy trailblazer_lt_ext
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173 Posts
Discussion Starter · #5 · (Edited)
The sensor is built into the fan clutch. Many threads here on replacing fan clutches.

then u mean i must replace the fan clutch ?
no way to fix this sensor ? like this toipc Wiring problem ?
now it is working but stopping some times , then i disconnect the battery for 20 min the it work !
the dealer say i must replace the thermostat also beacuse the down hose colder than the upper hose
and replace the engine sponsors ( engine chairs )
 

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2004 gmc
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then u mean i must replace the fan clutch ?
Usually, yes. But some members, perhaps one or two over the years that I've been a member, have found problems in the wiring harness. But in almost all cases of problems with 2002-2004 fan clutches, and you have a 2002, the failure rate is very high, I concluded you were in a location with high ambient temperatures ;) and you might as well change it out. At least that is my non-professional opinion.
no way to fix this sensor ? like this toipc Wiring problem ?
Perhaps. If you're going to fix it yourself - YOU need to go look at your wiring and come to a conclusion. We're just an Internet forum. We can't see your vehicle. Our advice is free, comes with a lot of experience, but cannot be guaranteed.
now it is working but stopping some times , then i disconnect the battery for 20 min the it work !
Well good. That means it's an intermittent problem, the worst kind to solve. Because then you can't be guaranteed to find the problem with a meter. You might find wiring problems with a visual inspection. But maybe not. How muuch time and trouble do you want to go through before just putting a little money into the repair?
the dealer say i must replace the thermostat also beacuse the down hose colder than the upper hose
What does your temperature gauge read? Have you ever had a temperature-related code? Your dealer may know best. Our advice cannot always be superior to theirs.
and replace the engine sponsors ( engine chairs )
These are usually called the engine mounts. Very rare failure on trailvoys. Does your engine sag or vibrate more than before? You may have to trust your dealer's advice on this. But thanks for the reminder - I may have to go check my own engine mounts for sagging because of the abuse I give it.
 

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2002 chevy trailblazer_lt_ext
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173 Posts
Discussion Starter · #7 ·
thanks roadie , thanks alot
i leave the car
today they call me and told me the upper chair ( mount ) that built in with the engine also broken !
i request a minue of parts , engine mounte , and the upper mount , state , some part in ac mybe clutch or roman ! ,

I have some pictures, and I will post it tonight
They told me today that engine mounts broken from the right, also another part upper the mount .

News is very bad

they said the shaking is large ! , and it tilted more to the point, on the other side
and the engine maybe pushing the hole fan to the radiator and maybe this problem cause fan clutch failure twice in 8 months

thanks very mutch
2 days later i well recive my tb :sadcry: and will see what will happen in the fan clutch
 

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2003 chevy trailblazer_ls
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1,248 Posts
As an aside, our new member, a yazan likely has to deal with a lot of issues that most of us take for granted, translation to and from English for starters.

Welcome, a yazan, and we hope you get everything working without robbing your family of their inheritance!
 

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2002 chevy trailblazer_lt_ext
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173 Posts
Discussion Starter · #9 ·
As an aside, our new member, a yazan likely has to deal with a lot of issues that most of us take for granted, translation to and from English for starters.

Welcome, a yazan, and we hope you get everything working without robbing your family of their inheritance!
:D:D
Thank you very much
soo many thanks for Good understanding and good reception and welcome
It is nice to find this a welcome here in trailvoy .. also saw the assistance of members in my previous topics
 

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2002 chevy trailblazer_lt_ext
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Discussion Starter · #10 ·
Problem was resolved
engine mounts has been changed ... So far, the fan clutch not stoping again ,
and after two weeks of the reform did not show any code in the dtc.
engine shaking will stop the work of the fan.

thanks for every man helped me :)
 
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