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Thread: Gas smell when turning the heat on

  1. #1

    Gas smell when turning the heat on

    Hi all
    I have a 2001 jetta 1.8T
    Over the past year everytime I put the heat on, a very strong gas or oil smell fills the interior, if it's AC there is NO smell, this is only when there turn the heat on

    The weird part is sometimes there is no smell , but after the heat is on for 20 minutes or so, the smell gets really strong and unbearable

    I already changed the air filters but that didn't help

    Any ideas why this is happening ? And what's the cheapest way to fix it

  2. #2
    Senior Member yamahammer is a jewel in the rough yamahammer is a jewel in the rough yamahammer is a jewel in the rough yamahammer is a jewel in the rough yamahammer's Avatar
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    Is you coolant full of oil and a cracked heater core?

    Could be a split gas tank vent line.

    Maybe a small exhaust leak? flex pipe is a common issue.
    "Nobody screws with Boris Grishenko, Spike them!"

  3. #3
    Administrator footose has a reputation beyond repute footose has a reputation beyond repute footose has a reputation beyond repute footose has a reputation beyond repute footose has a reputation beyond repute footose has a reputation beyond repute footose has a reputation beyond repute footose has a reputation beyond repute footose has a reputation beyond repute footose has a reputation beyond repute footose has a reputation beyond repute footose's Avatar
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    Exhaust leak is what i'd check first. As hammer says.. flex pipe.

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