Unfreezing Fiat muffler assembly

    Oct. 22, 2024
    This bulletin applies to 2019-2020 Fiat 500X and 2018-2019 Fiat 500X vehicles, built on or before March 4, 2018, (MP) or Feb. 21, 2020, (BV and FD vehicles).
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    Photo courtesy of Mitchell 1
    Drill a 1/8-inch weep hole in the lower rear of the muffler.
    Drill a 1/8-inch weep hole in the lower rear of the muffler.

    This bulletin applies to 2019-2020 Fiat 500X and 2018-2019 Fiat 500X vehicles, built on or before March 4, 2018, (MP) or Feb. 21, 2020, (BV and FD vehicles).

    The customer may describe a crank-no-start condition in freezing temperatures. This can be caused by condensation freezing in the muffler assembly.

    Inspect the muffler to see if there is a small weep hole at the bottom rear of the muffler. If not, use a 1/8-inch drill bit to drill a weep hole no deeper than one inch into the bottom rear corner.

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    Motor Age Staff

    Motor Age has been publishing technical content for professional automotive technicians since 1899. Our writers have decades of experience and scores of ASE certifications, and they continue to teach new generations of technicians via classrooms all around the globe, as well as through the books and training manuals they've authored. 

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