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Home >> Porsche >> 2021 >> 911 Targa 4 >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> 5X - Body General - 911 CARRERA (992) >> WM, 5X00IN29 Replacing Friction Element Welded Joint >> Loosening Joint >> Loosening Friction Element Welded Joints (Standard Friction Element)

Loosening Friction Element Welded Joints (Standard Friction Element)

Information 

The following description is intended only as a guide. A description of the steps involved and the various areas of application can be found in the operating instructions provided with the respective device.

Information 

The support fixture to be used and the required gas pipe will vary depending on the type of bolt to be welded. See operating instructions provided with the device for details of the correct pairing.

G14223665Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Standard friction element

  1. Remove paint and oxide coating on friction element.
  2. Weld the weld stud > WELDING BOLT 999.516.032.01  onto the friction element.

    > 5X00IN11 STUD WELDING 

    G14223666Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Welding on weld stud

    Welding parameter guidelines for weld studs 

    Bolt Welding time [ms] Amperage rating [A] Lift [mm] Gas pre-flowtime [ms] Gas parameters [l/min] Power terminal Ground terminal Polarity
    Stainless-steel bolt, M6  32 650 1, 0 1000 10 Component Gun Polarity reversed
  3. Screw hexagon nut -1-  of the weld stud onto bolt -2-  .
    G14223667Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Screwing on hexagon nut

  4. Break off element head by over-tightening the weld stud.
    G14223668Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Breaking off friction element head

    G14223669Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Friction element head removed

  5. Grind off the remaining element foot -1-  of the friction element.
    G14223670Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Grinding off element foot