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Home >> Porsche >> 2021 >> 911 Targa 4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (13 Engine - Crank Drive, Pistons 3.0L (Eng Code MDK.Kb) -- 992 - 911 CARRERA (992)) >> WM, 137319 Removing And Installing Belt TENSIONER >> Installing Belt TENSIONER >> Replacing Belt Tensioner

Replacing Belt Tensioner

WARNING: This page is about a different car, the 2024 Porsche 911, 2023 Porsche 911, and 2022 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
  1. Clamp belt tensioner in a vice at the hexagon.

    Use protective jaws! 

  2. Unscrew screw -arrow-  on the lever.
    G15488334Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Damper/tensioner

    Information 

    • When fitting the damper element/tensioner, make sure that the lettering can be read from outside. 
    • The bellows must be facing upwards. 
  3. Fit new tensioner on the holder with the deflection roller and check installation position.

    Tighten screw (M8 x 33).

    > Tightening torque 23 Nm (17 ftlb.) 

    Recommended tools for removing and installing the top screw: 

    • > V.A.G 1331A - Torque wrench, 6-50 Nm/4.5-37 ftlb. 
    • Internal Torx bit T50 with width across flats 13 mm from  > VAS 6928 - Socket wrench set, 39-piece 
    • Socket-wrench insert T50 from > VAS 6947 - Ring Socket Insert  , a/f 13
  1. Position belt tensioner from above and secure it with the top fastening screw -arrow-  .
    G15488335Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Installing belt tensioner

  2. Fit and tighten bottom screw -arrow-  on the tensioner. Fit from underneath! 

    > Tightening torque 27 Nm (20 ftlb.) 

    G15488336Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Belt tensioner with screws

  3. Tighten top screw.

    Use recommended tool. 

    > Tightening torque 27 Nm (20 ftlb.) 

  4. Fit and tension the drive belt.

    137855 REPLACING DRIVE BELT