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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2006 - 2009 TrailBlazer SS Tech > 06-08 SS General Tech Q&A > General

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  #1  
Old 08-01-2011, 09:42 AM
03Chevy_LS's Avatar
03Chevy_LS 03Chevy_LS is offline
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2003 Chevy TrailBlazer LS
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Question whats that burning smell?!?!

wtf!? i cant figure out where this smell is coming from.....it smells a little like burning plastic...i just recently had to replace two front wheel bearings and the mech. said everything else under the sun checked out....


does anyone have an idea what this might be??
catalytic converter?

any help would be appreciated ....ty
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  #2  
Old 08-01-2011, 11:38 AM
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Can you smell it outside the vehicle, or just inside? Is it coming through the dash vents by way of the HVAC system or in the cabin even if the blower is turned off.

Are there any electrical features of the vehicle that aren't working? Especially in the doors.
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  #3  
Old 08-11-2011, 01:54 AM
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ONETRACK13 ONETRACK13 is offline
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Check the passenger side fender well for the access rubber flap near the frame and motor. It is probably touching your exhaust, causing the burnt rubber smell.
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Old 08-11-2011, 10:09 AM
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the roadie the roadie is offline
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OP hasn't been back since he posted:

Last Activity: 08-01-2011 01:27 PM

Sigh.....
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  #5  
Old 08-13-2011, 04:13 PM
Bubster Bubster is offline
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Quote:
Originally Posted by the roadie View Post
OP hasn't been back since he posted:

Last Activity: 08-01-2011 01:27 PM

Sigh.....
+1

Double Sigh.....
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Old 10-03-2011, 09:58 AM
PortA Bound PortA Bound is offline
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We had a strong plastic burning smell just before the fan blower resistor burnt. This could be where the smell is coming from.
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  #7  
Old 11-16-2011, 09:25 AM
raiders_81 raiders_81 is offline
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I'm wondering if this is what has just happened to my vehicle.
Settings 1 & 2 on the fan speed just stopped working ,when it gets to 3,4,5 it works fine.
There is this really bad plastic buring smell coming from the dash but I can't pinpoint where the smell is coming from.
At the same time the rear defrost stopped working, the light comes on but it doesn't do anything, not sure if it related or not...

Any suggestions or tips to figure out the problem?
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  #8  
Old 11-16-2011, 12:06 PM
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the roadie the roadie is offline
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Front is almost certainly this:
http://forums.trailvoy.com/showthread.php?t=32751

At least pull the trim panel and take a look.

Rear defrost is totally separate and not connected in any way to the blower speed issue. Plenty of threads on how to troubleshoot that with a meter.
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Old 12-03-2011, 03:21 AM
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Quote:
Originally Posted by the roadie View Post
Can you smell it outside the vehicle, or just inside? Is it coming through the dash vents by way of the HVAC system or in the cabin even if the blower is turned off.

Are there any electrical features of the vehicle that aren't working? Especially in the doors.
sorry for the delay since my last post, and thnx for the help on the subject.
The "Burning Smell" which hung around for a few months in the weeds..
Just figured it out..... My wife tells me the headlights out on the passenger side 2 days before Thanksgiving..so..i get in under the hood and go to pull
the plug.. Melted!?! luckily the headlight housing suffered no real damage and i was able to pickup much better aftermarket hardware (both lgts for $11.) and had fun replacing only the one so far. (as far as i could go with the better wire 12gauge i think it is?) Anyway...i do NOT have the patience i had 10yrs ago for this kind of stuff..

Long story short..... Burning Smell fixed! And the 03 dodges a under the hood fire.
Climbing under the 03_LS and My 03 2500HD 4x4 to apply some much needed
rubberized undercoating this weekend before the snow hits.
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  #10  
Old 12-04-2011, 07:24 PM
MrSmithsTB MrSmithsTB is offline
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That burning smell is Rome





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