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10-31-2009, 06:31 PM
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Compulsive Coffee Consumer
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Join Date: Dec 2008
Location: Deep South Mississippi
2,006 posts, read 520,071 times
Reputation: 431
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Burning plastic rubbery smell
What would cause a burning smell that smells like plastic or rubber? No noises associated with the smell....it is a Pontiac Sunfire.??? 
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10-31-2009, 06:38 PM
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Senior Member
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Join Date: May 2009
Location: Vancouver, B.C., canada
1,651 posts, read 757,070 times
Reputation: 722
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Is your emergency break on? (Embarrassingly enough, this happened to me.)
Incorrectly routed, adjusted(tensioned), missing or worn drive belt(s); Incorrect belt tension will allow belts to slip; Loose or damaged belt tensioner will allow belts to slip; Worn or damaged idler/tensioner pulley; Spark plug or coil wire(s) making contact with hot engine; Corroded, broken or poorly connected battery cable. burning rubber smell is not caused by brakes 99% of burning rubber is caused by a faulty fan belt. get it checked for signs of wear and tear and correct tension, other 1% would be a tire wearing on something or you locking up brakes and skidding tires check fan belt
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10-31-2009, 06:44 PM
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Senior Member
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Join Date: Mar 2008
279 posts, read 272,734 times
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This happened to me last weekend and I was wondering if it could be that I whacked one or more of my wheels out of alignment and the brake (pads?) were sticking/rubbing when I turned or after braking.
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10-31-2009, 06:48 PM
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Compulsive Coffee Consumer
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Join Date: Dec 2008
Location: Deep South Mississippi
2,006 posts, read 520,071 times
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I did have a new cooling fan put in about a month ago. Maybe they messed the belt tension up....? Parking brake was not on, checked that. Battery cables and spark plug wires looked okay. It almost has an electrical smell to it. I can't quite put my finger (nose!) on it.
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11-01-2009, 11:34 AM
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Senior Member
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Join Date: Jul 2007
Location: Iraq, Idaho or Alaska
375 posts, read 236,428 times
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My guess is the blower motor for the heater.
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11-01-2009, 11:50 AM
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Compulsive Coffee Consumer
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Join Date: Dec 2008
Location: Deep South Mississippi
2,006 posts, read 520,071 times
Reputation: 431
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Nevermind!
Got on the ground today and examined the underside of the car. Looks like we ran over a plastic bag. Thats all! Thanks for the input.
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11-01-2009, 12:04 PM
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Senior Member
Status:
"workin for the man"
(set 2 days ago)
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Join Date: Sep 2009
Location: Lehigh Acres
821 posts, read 183,363 times
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burning plastic bag=burning plastic smell
wish they were all that easy lol
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11-02-2009, 06:35 AM
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Compulsive Coffee Consumer
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Join Date: Dec 2008
Location: Deep South Mississippi
2,006 posts, read 520,071 times
Reputation: 431
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Quote:
Originally Posted by JBMallory
burning plastic bag=burning plastic smell
wish they were all that easy lol
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 Never thought of it that way! 
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11-02-2009, 08:59 AM
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Senior Member
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Join Date: May 2008
Location: Nutley, NJ
887 posts, read 472,299 times
Reputation: 224
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Quote:
Originally Posted by DaniMae1
Got on the ground today and examined the underside of the car. Looks like we ran over a plastic bag. Thats all! Thanks for the input.
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Same thing just happened to me. I thought it was a belt at first too.
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