Loosening friction element welded joints (standard friction element)

WARNING: This page is about a different car, the 2021 Porsche Cayenne, 2020 Porsche Cayenne, and 2019 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: 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.

IMPORTANT: 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.

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Standard friction element

Remove paint and oxide coating on friction element.

Weld the weld stud > WELDING BOLT 999.516.032.01 onto the friction element.

5X00IN11 STUD WELDING

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Welding on weld stud

Welding parameter guidelines for weld studs

Bolt	Welding time [ms]	Amperage rating [A]	Lift [mm]	Gas pre-flow time [ms]	Gas parameters [l/min]	Power terminal	Ground terminal	Polarity
Stainless-steel bolt, M6	32	650	1, 0	1000	10	Component	Gun	Polarity reversed

Screw hexagon nut -1- of the weld stud onto bolt -2- .

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Screwing on hexagon nut
Break off element head by over-tightening the weld stud.

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Breaking off friction element head

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Friction element head removed
Grind off the remaining element foot -1- of the friction element.

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Grinding off element foot