Tires/Wheels - Handling Instructions After Damaged
40901
Binder - Service Technical Bulletins
Date: 4-24-09
Handling of Wheel Tire Assemblies
Following Accident Damage
Vehicle Type:
All
Concern:
The handling of tire and wheel assemblies following accident damage.
Information:
When repairing Porsche vehicles following accident damage, the following requirements must be adhered to for safety reasons:
Wheels
^ Straightening and welding work on light alloy wheels is not permissible
^ Paint damage may be repaired; should the damage extend into the light alloy material, the wheel must be replaced
Tires
^ Repairs to Porsche approved N-Spec tires are not authorized.
For Vehicles With TPM - Tire Pressure Monitoring System
The complete valve with screw must be replaced in the following cases:
^ The wheel electronics are removed
^ The self-locking fastening screw is loose
^ The bead seat sealing ring is porous or damaged
^ The valve body is bent
^ The union nut is loose
The wheel electronics must be replaced in the following cases:
^ The housing is visibly deformed
^ The fitter surface (square, porous section on back of wheel electronics) is so badly soiled that it can no longer be cleaned by wiping
^ Tire sealant has been used
^ The service life of the battery has expired
^ There is a fault within the wheel electronics
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