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Home >> Porsche >> 2022 >> 718 Boxster Base, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (5X - Body General) >> WM, 5X00IN26 Replacing Coarse Threaded Bolts >> Replacing Coarse Threaded Bolts

Replacing Coarse Threaded Bolts

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NOTE: Drilling work not performed correctly 
  • Risk of damage to components 
  • Leaks 
    • Protect the component using a wooden support.
    • Use a bit stop while drilling.

Information 

The following bolts are available:

Information 

Check that there is adequate clearance at the back of the installation area. The bit stop must be used on the complete vehicle.

  1. Grip defective coarse threaded bolts on the complete vehicle (e.g. bolts with damaged threads) using a pliers and screw them out. Grind down during body repairs if necessary.
  2. Secure the bit stop.
    1. 2.1  Secure a setting collar on the drill bits used in order to limit the drilling depth. > Length 3.0 mm  > 9399/4 - Set of setting collars 
  3. Remove underbody protection close to the sealing surface of the repair bolt.
  4. Drill a hole.
    1. 4.1  Drill a hole at the correct installation position. > Diameter 4.0 mm 
    2. 4.2  Drill out the hole.

      For coarse threaded bolts, T5 > Diameter 7.0 mm 

      For coarse threaded bolts, T6 > Diameter 9.0 mm 

      G14269709Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Drilling hole

  5. Set up tool.
    1. 5.1  Pull cap -2-  off the riveting tool -1-  . > 9399/1 - Riveting tool for ground pins 
      G14269710Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Removing cap

    2. 5.2  Attach mounting -3-  .
      G14269711Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Attaching mounting

    3. 5.3  Screw on threaded mandrel -4-  . > 9399/2 - Threaded mandrel + mouth piece  Left thread
      G14269712Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Screwing on threaded mandrel

    4. 5.4  Attach mouth piece -5-  . -arrow A-  > 9399/2 - Threaded mandrel + mouth piece 
      G14269713Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Attaching mouth piece

    5. 5.5  Screw threaded bolt -6-  in fully.
      G14269714Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Screwing in threaded bolt

  6. Rivet in threaded bolt.
    1. 6.1  Insert threaded bolt into the bore.
    2. 6.2  Rivet in threaded bolt using the riveting tool -1-  (pumping action) -arrow A-  . -arrow B- 
      G14269715Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Riveting in threaded bolt

  7. Complete the riveting process.
    1. 7.1  When the riveting process is complete, relieve the hydraulics using the bleeder valve -arrow B-  . Continue to apply pressure to the riveting tool while doing this. -arrow A- 
      G14269716Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Bleeding riveting tool

    2. 7.2  Turn the mounting -3- to the left to release the riveted threaded bolt from the riveting tool -1-  .
      G14269717Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Loosening threaded mandrel

      Fully riveted threaded bolt:

      G14269718Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Riveted threaded bolt

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