Replacing ATF

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: Top up only with ATF approved by Porsche. See APPROVED TRANSMISSION OILS TRANSMISSION .

Filling capacity: approx. 9.0 liters

Change quantity: approx. 4.5 liters

Place oil collection pan under the transmission.
Unscrew drain screw -A- and drain ATF.

Fig 1: Locating Drain Screw For Draining ATF
Courtesy of PORSCHE OF NORTH AMERICA, INC.

NOTE: Without ATF, the engine must not be started and the vehicle must not be towed.
Replace sealing ring for drain plug and tighten screw.
Tightening torque: 20 Nm (15 ftlb.)
Unscrew control screw -B-.

Fig 2: Locating Control Screw
Courtesy of PORSCHE OF NORTH AMERICA, INC.

NOTE: To undo and tighten the cap nut for the charging valve, counter with an open-ended wrench.
Screw off cap nut for the charging valve.
Screw connection hose 9507/1 -A- onto charging valve. Top up with ATF via the charging valve until surplus ATF runs out at the control screw bore.

Fig 3: Identifying Connection Hose 9507/1
Courtesy of PORSCHE OF NORTH AMERICA, INC.
NOTE:
- All instructions and test conditions for "Checking and topping up ATF fluid" must be observed for further work steps. See TRANSMISSION MAINTENANCE: CHECKING AND TOPPING UP ATF (AS OF MODEL YEAR 2002) .
Connect the Porsche System Tester 2 and call up the ATF temperature.
Move selector lever to position "P" and allow engine to idle.
With engine running, top up ATF again until excess ATF emerges from the bore of the ATF control screw -B- .

Fig 4: Locating ATF Control Screw
Courtesy of PORSCHE OF NORTH AMERICA, INC.
With the brake pedal pressed, change through all selector lever positions, remaining in each position for approx. 10 s.
NOTE: The ATF temperature must not be higher than 40°C at the start of the test.
Check the ATF level again and top up if necessary.
Replace sealing ring for cap nut and screw cap nut onto the charging valve.
Tightening torque: 20 Nm (15 ftlb.)
Screw in ATF control screw with a new sealing ring

Tightening torque: 20 Nm (15 ftlb.)