Removing and installing pressure regulator: Removal

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2005 Porsche 911, 2004 Porsche 911, 2003 Porsche 911, 2002 Porsche 911, and 2001 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: The solenoid valves or pressure regulators are located on the hydraulic control unit.

Fig 1: Identifying Pressure Regulator

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NOTE: Without ATF do not start the engine and do not tow the vehicle.

Place oil collection pan under the transmission.
Unscrew ATF drain screw (1) and drain ATF.

Fig 2: Locating ATF Drain Screw
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Remove ATF pan (loosen screws crosswise).
Pull off plug connection on solenoid valve or pressure regulator.
Remove holder of solenoid valves or pressure regulators and take out solenoid valves.

Fig 3: Identifying Holder Of Solenoid Valves Or Pressure Regulators
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NOTE:

The hydraulic control unit must be removed in order to take out pressure regulator 1 (refer to Removing and installing hydraulic control unit ).
To remove solenoid valve 1, the guide plate for the parking lock mechanism must be removed.

Fig 4: Identifying Guide Plate

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