Wheels - New Wheel Security System

Group
4

Model
All

Part Identifier
4407

Number
9313

November 9, 1993

Subject:
New Wheel Security System

ATTENTION: Service Manager! Service Technician

Models Affected:
All 1994 Models

General information:
With model year 1994, a new wheel security system is installed on all Porsche vehicles from the factory.

Wheel Lock Assembly:

The new system requires the use of a coded socket for removal and installation of the wheel security nuts (see figure).

The coded wheel socket is shipped with the vehicle and is kept in a plastic bag in the glove compartment.

Received with this Technical Bulletin is a pocket folder containing information on how to obtain master socket sets, replacement coded wheel lock sockets and security lug nuts.

Master socket sets (30 different codes) are not a mandatory tool requirement. However, for the purpose of identifying wheel lock codes where the coded socket is lost or missing and for customer convenience, Porsche dealers are advised to have the master socket set on hand is kept in a plastic bag in the glove compartment.

Received with this Technical Bulletin is a pocket folder containing information on how to obtain master socket sets, replacement coded wheel lock sockets and security lug nuts.

Master socket sets (30 different codes) are not a mandatory tool requirement. However, for the purpose of identifying wheel lock codes where the coded socket is lost or missing and for customer convenience, Porsche dealers are advised to have the master socket set on hand.

The use of impact wrenches on Porsche wheel security nuts or standard lug nuts is strictly prohibited.