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Smell mystery...

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Old 23 Jan 2011, 02:12 pm
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Join Date: Jan 2011
Posts: 9
Default Smell mystery...

Hi all,
A few weeks ago, after having my '02 PT jumped after having left the lights on and letting is sit a few days, it overheated after about 45 minutes of idling. I looked under the hood and the coolant reservoir cap had popped open and it was letting out the coolant. I had overfilled it a couple of months prior, if that had anything to do with it. There was also a hot, sweet, plasticky sort of smell that was very pungent.
Anyway, I took it to the mechanic, and he said he couldn't find any coolant leaks. He flushed the coolant, and I also had him do a tune up, replaced the timing belt, water pump, serp belts, etc.
Now, once my vehicle heats up (say, after 10 or 15 minutes), I can smell that hot sweet plasticky smell again. It's not constant, but now and then I get a good whiff. Is this coolant? I never thought coolant would have a plastic-like odor, though, that's my concern. If it's coolant, since it's so cold here and I spilled so much, I figured it is probably hanging around under the hood and burning off when it gets hot.
Anyone else had a similar issue with their PT, or perhaps could shed some light on this?

Last edited by ewd424; 23 Jan 2011 at 02:20 pm.
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Old 23 Jan 2011, 02:20 pm
SCBluePT's Avatar
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Join Date: Sep 2010
Location: Winnsboro,SC
Posts: 2,706
Default Re: Smell mystery...

It could be the leftover residue from where the coolant leaked down onto the motor.If so it will go away.Maybe not the problem but a possibility.
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Old 24 Jan 2011, 10:05 pm
Matt42's Avatar
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Join Date: Jun 2009
Location: Glendale, AZ
Posts: 496
Default Re: Smell mystery...

Agree +1
1996 Dodge diesel 4X4, 2001 PT Cruiser Touring with rear disc brakes, [Now gone 2004 PT Cruiser Base 5 speed], 2007 Chrysler T&C Touring
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Old 25 Jan 2011, 06:52 pm
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Join Date: Aug 2010
Location: Tennessee
Posts: 11
Default Re: Smell mystery...

Had a simular smell, turned out to be a seeping heater core..
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