Replacing Jeep Wrangler belt tensioner

    April 15, 2024
    This bulletin applies to 2020 Jeep Wrangler vehicles built on or after Dec. 13, 2019, and on or before Jan. 25, 2020, equipped with a 3.6L V6 24V E-Torque engine.
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    Photo courtesy of Mitchell 1
    The Julian date is stamped on the front of the hydraulic belt tensioner.
    The Julian date is stamped on the front of the hydraulic belt tensioner.

    This bulletin applies to 2020 Jeep Wrangler vehicles built on or after Dec. 13, 2019, and on or before Jan. 25, 2020, equipped with a 3.6L V6 24V E-Torque engine.

    Customers may experience a MIL on. DTC P2BA3-00 (starter/generator mechanical performance) and P0A92-00 (hybrid/generator performance) may be set.

    The vehicle may experience a dead battery and/or the accessory drive belt may be slipping/belt noise.

    Inspect the Julian date on the hydraulic belt tensioner. If the Julian date is 15.08.19 is found, replace the belt tensioner with P/N 05281590AB.

    About the Author

    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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