Installing Control Unit For Four-Wheel Drive (PTM)

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Insert electric connector into the four-wheel drive control unit until it engages securely -a- .

Fig 1: Installing Connector And Securing Control Unit
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Place the four-wheel drive control unit on the holder and secure with the two fastening nuts -3- . → Tightening torque: 10 Nm (7.5 ft. lb.)
Turn the control unit holder around and slide it in under the fastening nuts -2- .

Fig 2: Tightening Fastening Screws
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Tighten the two fastening screws -1- and the fastening nuts -2- . → Tightening torque: 10 Nm (7.5 ft. lb.) → Tightening torque: 10 Nm (7.5 ft. lb.)