Burning plastic smell after driving.. what might it be?

SoonToBe

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Have another question for all you :b5: er’s out there..
I have noticed that sometimes when i park my car after any driving i can smell ( what i can best describe as) burning plastic. I think its my brakes, but im not sure, you can smell it just about anywere around the car, especialy up front. can anyone give me some insight as to what this smell could be?
Its not a intense strong smell that knocks you on your ass.. but you cant miss it either. im just curious as to what it is or might be.. i have opened the hood and the smell isnt any stonger/weaker, and i cant pinpoint where its coming from.
Any info would be great! :bow: :thumbup:

danteshors

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jeffsu350

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1.8Tabamoura

Banned

this advice is the same as :

Wait untill your timing belt brake to see if it was bad .
or

Wait untill your car catch on fire too see where the flames start to find out the source of the burning smell.

Find the source now , don’t wait untill something else burns or brakes

Loose female member
  • Dark Green 99 GLX
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    SoonToBe

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    slimebucket

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    Do you by any chance see smoke?

    If you can see smoke, then try to pin point it.

    John_E

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    SoonToBe

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    StealthB5

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    Just a thought — unless you’re absolutely sure it’s a burning PLASTIC smell — could be your fuel injectors are leaking.
    http://www.clubb5.com/forums/viewtopic.php?t=96238

    not_too_shabby wrote:
    I never have burned any oil, so what was leaking must have just been fuel. As far as the symptoms, I noticed kinda of a burning oil smell after driving. I noticed the mess around my fuel injectors and pointed it out to one of the dealers. His reply was they all look like that. I took it somewhere else and got it fixed. It still looks very clean even after a year and a half.

    StealthB5 wrote:
    I get the burning smell too, sometimes. Isn’t that just like the dealers to say they all look like that — like what they told me about the oil consumption. I had assumed the dealer fixed it for you at 15K, but apparently it was too much bother for them? A friend of mine is a design engineer for Bosch in the powertrain division (fuel rails and injection). I’m going to get some additional information about this problem.

    HermanH

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    A few things come to mind:

    1) IF one or both of the fender well 1/4-turn snaps are missing, the tires «might» rub on the liner as wind pushes the front of the liner into the tires at highway speeds. It’ll be obvious by the tire wear marks on the liner.

    2) Have you checked for your VW engine cover badge lately. People have had them fall onto the exhaust headers (I was lucky and it wedged between the chassis and a heat-shield.)

    3) As mentioned before, some stuck plastic (like a bag) somewhere in the axle area, near the down pipe of the exahaut?

    Good luck in finding the source of the smell.

    Camarkim

    Registered

    My vote is. cosmoline. That’s what the burning plastic smell on my ’00 B5 was.

    Cosmoline is a waxy substance they spray all over the engine compartment and inside the doors to prevent corrosion on the boat ride over to the US. The dealer is supposed to clean this gunk off during the pre-delivery inspection or whatever it is called. The dealer, in my case, (and many other CB5’ers,) did a poor job of cleaning this, so it heated up and dripped onto the exhaust manifold. Smelling like burning wax or plastic. They steamed cleaned the engine for free and it was fine ever since. But if your B5 isn’t too new then it may be an unlikely cause, as you would have smelled it before probably.

    SoonToBe

    Registered

    Oh well.. its not a big deal, im guessing its just my brakes being hot or posible a bag on the exhaust .. either way, no ‘real’ problems just that smell.. i’ll just have to leave a window open
    BTW the inside of the wheel well is clear of any rubbing also, i checked it out last night and couldnt find any signs

    ameoba

    Registered

    Check the area around your Turbo, including the turbo itself. DO THIS BEFORE YOU DRIVE IT! That thing gets SO hot, it’ll sear you and you won’t even know it. It could be that something is hanging down near the turbo (or exhaust) and melting when you are driving.

    Look for discoloration on the turbo (white where everything else is dark) or something that is different.

    Speaking from experience here, I was replacing the cabin air filter one day and left the stupid battery cover (that thin plastic piece that slides into place) on top of the engine. Needless to say, even with the hood down, it found its way off the engine and onto the turbo. 😯 😯 😯

    When I stopped, I was smelling melting plastic. About 15 seconds after smelling something, I noticed a little smoke coming from under the hood. As fast as I could, I hopped out of the car, threw up the hood and waited for flames. No flames, stick my head a little closer. Coming from the turbo. WTF?

    Embarassment for me as I realized that I had left the battery cover on top of the engine. Suffice to say that my turbo now has a «white» half and a dark half.

    I ended up grabbing a baby wipe from the car, wrapping it around my hand so as not to burn myself, and pulling what was left of the cover off the turbo. It was half melted. Oh well, lesson learned. I can laugh about it now.

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