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03 cadillac escalade
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11,910 Posts
Discussion Starter · #1 ·
hi i haven't had my lade long i got it in november of last year and lately noticed the little vents where the sensors are is making noise it is to the point that if you turn the to key to run but don't start the engine you can the little fans in the sensors really load not quiet at all they didn't do this when i first got it is it possible they are going bad on both front and rear systems???
 

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2002 Escalade
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169 Posts
There is a TSB out for this issue, not sure of the number. The sensor uses a tiny fan to pull air over the sensor and give a reading. The noise you are hearing is that fan, which is rubbing against the housing and causing the buzzing noise. This doesn't hurt the fan or sensor, just can be annoying. I have read cases where people have taken the sensor out, adjusted the fan and have eliminated the noise.
 

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03 cadillac escalade
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11,910 Posts
Discussion Starter · #3 ·
i would like to know how to do that it is really bad and it gets more annoying.
i would love to drive my caddy just once with the radio off without hearing the buzzing noise at least one time
and i think my cd changer is going crazy on some cd's it makes odd noises on certain discs in slot 6 that i know is not normal??? no clue on why it does this
thanks for the info on the little fans just need a easy way to clean them without ripping the whole headliner apart thanks in advance
 

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03 cadillac escalade
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11,910 Posts
Discussion Starter · #5 ·
mines a 03 and i have two just need to know how to get out of the headliner one in the front and one above the second row seats thanks
 

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02' EXT
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250 Posts
I would leave the headliner to the pros. If. You think you can handle it go for it. It's not easy. I honestly think its easier to change brakes and rotors than it is to r2 headliner. I'm sorry I can't talk you through it but I usually just go in and take pics of everything (so I know where and how it goes back) and then start taking anything off that looks connected.

I will give you this small bit though. If and when you attempt the HL, GM uses a glue of some sort to all the wires attached to the HL. Meaning the wires are clipped to the roof and glued to the HL making it very difficult to removed the first time. GL.
 

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03 cadillac escalade
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11,910 Posts
Discussion Starter · #7 ·
i was afraid of this
sigh i guess i will just have to put up with it until one of them dies then take it in and have both replaced when i do take it in cause there is now way on this earth am i going to take the head liner out of the truck unless i have pics to go by
the one above my head while i am driving is the one i hear the most can it be replaced without removing the headliner???
 
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