Notes on removing/mounting tyres

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Use "TIP TOP Universal" tyre paste, order No. 593 0601 or "Contifix" for fitting.
Ensure that no damage (scoring, soiling) is caused to the assembly head of the fitting machine during fitting. Such damage may result in paint damage and pressure marks on the rim flange.
Avoid slipping on the rim flange. Use rim flange protection (assembly aid B).

Fig 1: Identifying Special Tools For Removing/Mounting Tyres
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Adhesive tape can be used to protect the rim flange in individual cases, in order to prevent any paint damage during fitting. The mounting lever can also be covered with adhesive tape in order to avoid damaging the area around the spokes during removal.
The rubber valves must always be replaced.
Steel valves - for 18-inch Turbo wheels - do not usually need to be replaced when a tyre change is necessary. The steel valves should, however, be replaced after every second tyre change or after 3 years at the latest.

Fig 2: Locating Screwed-In Steel Valve And Rubber Valve In Turbo Wheel & Turbo Look Wheel

Courtesy of PORSCHE OF NORTH AMERICA, INC.

Screwed-in steel valve (on Turbo wheel)
Rubber valve (on Turbo Look wheel)

Check the wheel for damage.
Observe the running direction or the inside and outside of the tyre.