Removing Engine
- Danger of fire or explosion
→ Avoid contact with hot parts or sources of ignition.
→ Use suction to remove ignitable vapors.
→ Attach warning sign in a clearly visible position.
- Damaged components must be replaced.
→ Get one or two more people to help.
- Damage to hoses and wiring
→ First relieve pressure in the clutch system.
→ Actuate the clutch pedal at least 25 times for this purpose.
Information
- Remove upper hexagon-head bolts for the cross member so as to avoid damaging the reference mark sender cable and oil tank when lowering the engine/transmission unit.
Information
- Get a second person to check the clearance when lowering the engine/transmission unit.
- If the vehicle is placed on its wheels or moved in the workshop, the rear cross member must always be refitted in order to maintain structural strength.
Information
- When opening the power-steering oil lines, make sure that Pentosin does not drop onto the rubber sleeves of the fuel injectors.
- Cover this area beforehand with a cloth.
- If drops of Pentosin fall onto a rubber sleeve, clean it immediately.
- Replace swollen rubber sleeves.
- Before opening the fuel lines, place a warning sign in a clearly visible position on the vehicle.
- Open fuel line connections at the left in the engine compartment.
- 2.1. Place a cloth under the line to absorb emerging fuel.
- 2.2. Open fuel pressure line (low pressure) -1- . Press locking lugs on plug-in coupling and pull line apart.
- 2.3. Open tank vent line -2- . Press locking lugs on plug-in coupling and pull line apart.
- Open coolant hoses at the left-hand side of the engine compartment.
- 3.1. Open spring band clamps and pull off hoses.
- Coolant ventilation
- Filler line to coolant regulator housing
- Engine supply line from radiator
- 3.1. Open spring band clamps and pull off hoses.
- Pull off hose for the coolant pipe -2-
on the right.
- 4.1. Pull safety clip on the connection out of the lock and pull out coolant hose.
- 4.2. Close off the opening with a clean cloth or stopper. Refit safety clip immediately.
- 4.3. Check O-ring and replace it if necessary.
- Open the pressure and return lines -1-
for hydraulic steering in the engine compartment.
→ 489819 REMOVING AND INSTALLING HYDRAULIC PUMP .
→ 4X00IN PLUG-IN COUPLINGS FOR HYDRAULIC LINES - AS OF MODEL YEAR 2009 .
- 5.1. Remove remaining fluid from the power-steering oil tank using a Suction And Pressure Syringe Nr.194 .
- 5.2. Always place a clean cloth under the line connections and have a small container ready. After opening the line connections, collect emerging Pentosin with the container.
- 5.3. Open the pressure line using Loosening Tool 9780 .
- 5.4. Open the spring band clamp on the return hose and pull off the hose.
- Disconnect plug connections for oxygen sensors and exhaust temperature sensors in the engine compartment.
- 6.1. Expose oxygen sensor lines.
- 6.2. The connectors are color-coded.
Position Connector Cable Oxygen sensor 1 Grey Black Behind catalytic converter 2 Black Blue Ahead of catalytic converter - 6.3. Expose exhaust temperature sensor line on the left in the engine compartment. To do this, pull the connector -1- and expose the line -2- for the sensor.
- 6.4. Place lines with connectors between the engine carrier and engine.
- Remove center intake-air distributor.
→ 244619 REMOVING AND INSTALLING INTAKE-AIR DISTRIBUTOR - TURBO .
- 7.1. Loosen M6 fastening nut on the throttle housing.
- 7.2. Open bayonet locks, open two plug-in couplings and remove the center piece.
- Disconnect positive crankcase ventilation line.
- 8.1. Unscrew M6 external Torx screw (E10) -1- and pull out the line.
- 8.2. Pull breather hose -2- for turbocharger off the connection piece by opening the spring band clamp -3- .
- 8.3. Pull off vent line -4- at the connection for cylinder head 4-6.
- 8.4. Unclip vent line -5- and replace O-rings.
- Unclip vacuum lines -1-
(-arrow-
) and set them aside.
Information
- The air-conditioning lines on the compressor do not need to be disconnected in order to remove the engine/transmission unit.
- Following removal, place the air conditioning compressor on a suitable protective support (e.g. foam, neoprene).
- Remove air-conditioning compressor -1-
and set it aside. The system remains closed.
- 10.1. Open plug connection on control line -3- for the air-conditioning compressor.
- 10.2. Unscrew rear external Torx fastening screws (M8 x 90) -2- on the air-conditioning compressor and remove with the holder.
- 10.3. Unscrew the front external Torx fastening screw (M8 x 120) -4- on the air-conditioning compressor.
- Lift the air-conditioning compressor with the connected lines out of the mount and place them on a protective support. Secure with a tie-wrap if necessary.
- Loosen engine wire harness at the connector console at the right in the engine compartment.
- 12.1. Open the bayonet locks -1- on three round connectors by turning anti-clockwise and pull off connectors.
- 12.2. Cut the tie-wrap at the cable guide -arrow- and lay the wire harness on the engine.
- Loosen secondary-air line on the crankcase on cylinder bank 1-3.
Tools -1-: 1/4-inch change-over ratchet with two extensions and socket-wrench insert for external Torx (E10), bar magnet
- 13.1. Unscrew one external Torx screw (E10, M6 x 16) -2- on the holder and remove it using a bar magnet.
- Raise the vehicle.
- Screw in coolant drain plugs with new seals.
→ Tightening torque: 30 Nm (22 ft. lb.)
- Remove tailpipe covers.
- Remove anti-roll bar.
→ 429019 REMOVING AND INSTALLING REAR ANTI-ROLL BAR .
- 17.1. Unscrew two fastening screws -1- and a hexagon nut -2- at the left and right. Counter at the collar nut with a Torx insert.
- Remove transverse strut -1-
and the two diagonal braces -3-
.
→ 423819 REMOVING AND INSTALLING REAR-AXLE CARRIER SIDE SECTION .
- 18.1. Front transverse strut: Unscrew two hexagon-head bolts (M10 x 40) -2- .
- 18.2. Remove threaded connections for diagonal braces -4- : two M12 x 30 hexagon-head bolts on the rear cross member, two M10 x 40 hexagon-head bolts at the front and two M10 hexagon nuts on the rubber mountings.
Information
- If the vehicle is placed on its wheels or moved in the workshop, the rear cross member must always be refitted beforehand.
- If the cross member is not refitted, the vehicle will have to be aligned after the engine is installed.
- Remove rear cross member.
- 19.1. Bottom mounting: Screw off two M12 hexagon nuts, counter at the M12 x 80 hexagon-head bolts and remove both screws from the bores.
- 19.2. Top mounting -arrow- : Loosen two M12 hexagon nuts (slots in cross member) and remove cross member by pulling it downwards.
- 19.3. Remove screws and nuts at the top because otherwise engine components can be damaged when the engine is lowered.
- Disconnect secondary-air line -1-
on cylinder head 1-3 from underneath.
- 20.1. Unscrew two external Torx screws (E10, M6 x 20) -2- on cylinder head 1-3 and remove and replace the seal.
- 20.2. Push the line upwards.
- Remove engine ground strap -1- at the body support. Screw off hexagon nut -2- and remove cable.
- Loosen B+ lines on the transmission.
- 22.1. Porsche Doppelkupplung (PDK): Open the lid of the plastic box -1- , screw off the M8 hexagon nut -2- and remove the lines -3 and 4- .
- 22.2. Manual transmission: Open the lid of the plastic box, screw off the M8 hexagon nut -1- and remove the lines.
- 22.3. Disconnect cable plug -2- for reversing light switch.
- Pull off vacuum lines -1 and 2- for the brake booster at the underbody.
- Vehicles With Porsche Doppelkupplung (PDK) Transmission:
→ 371319 REMOVING AND INSTALLING PARKING LOCK CABLE
- 24.1. Disengage locking cable. To do this, press end piece of cable -1- off the ball joint of the parking lock lever using Disassembly Tool Nr.21 -2- .
- 24.2. Unclip cable -1-
from the guide.
Carefully press the two locking clips -2- together and pull the cable out of the guide.
- 24.3. Remove two cable plugs for the PDK transmission. Open the bayonet locks on the connectors -1-
by turning them anti-clockwise.
Unclip cable guide on the transmission -2- .
- 24.4. Pull off cable plug for reversing light -1- on the transmission.
- Vehicles With Manual Transmission:
- 25.1. Disengage shift and selector cables -1-
.
→ 341219 REMOVING AND INSTALLING SHIFT AND SELECTOR CABLES .
- 25.2. Press the locking clip together and pull each cable out of the support -2- .
- 25.3. Open the clutch pressure line using Loosening Tool 9780 . Collect emerging hydraulic fluid and close off the lines.
All Vehicles:
- 25.1. Disengage shift and selector cables -1-
.
- Remove transmission bracket.
- 26.1. Unscrew four M10 hexagon nuts and two M10 x 55 hexagon-head bolts -arrows- on the transmission bracket and remove bracket.
- Remove cardan shaft.
→ 390219 REMOVING AND INSTALLING CARDAN SHAFT .
- 27.1. Loosen the bolts -arrows- . Get a second person to counter at the rear wheels while doing this.
- 27.2. Pull cardan shaft out of the front-axle final drive and set it aside.
- Loosen drive shafts on the transmission. Get a second person to counter at the rear wheels.
→ WM 422119 REMOVING AND INSTALLING REAR DRIVE SHAFT .
Information
Check for cuts on the entire diameter of the inner rubber edge on the pressure hose leading to the turbocharger. Replace if damaged.
- Disconnect intake air hoses on the turbochargers.
- 29.1. Open the screw-type clamp -1- and pull off the line -2- .
- Guide secondary-air line with valve -1- to the rear and place it on the engine.
- Master Gear Unit Elevating Platform WE 1206
must be ready for removing the engine Master Gear unit elevating platform with mounting point for engine and transmission support, 997 II.
→ 1001IN TOOLS FOR REMOVING UNITS AND WORKING ON THE ENGINE ASSEMBLY SUPPORT .
- 31.1. Observe installation position.
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
- Master Gear Unit Elevating Platform WE 1206
- Support 9769/1 for Porsche Doppelkupplung (PDK)
- Support 9769/2 for manual transmission
- Retainer Plate 9769 for engine
- 31.1. Observe installation position.
- Move the elevating platform -1-
under the vehicle. Position three supports -2-
of the Retainer Plate 9769
on the engine.
Mounting points -arrows- for the retainer plate supports.
- 32.1. The tilt angle of the elevating platform plate -3- can be changed to suit the installation position of the engine/transmission unit.
- 32.2. Position Support 9769/1 or Support 9769/2 under the transmission, depending on the type of transmission.
- 32.3. Support the engine/transmission unit slightly with the elevating platform.
- For safety reasons, the engine must also be secured on the elevating platform by fastening a Strapping Belt 9454 over the turbocharger flange.
- Loosen two collar nuts -1- on the transmission support -3- .
- Loosen and screw off two M12 internal Torx nuts (screw insert T55) -1- on the engine carrier.
- Slowly lower the engine/transmission unit with the elevating platform.
Information
- Check to see if spacers are fitted on cylinder head side 4-6 (relates to all all-wheel drive vehicles).
- These must be converted when replacing the engine.
- Replace damaged spacers.
- Only for all-wheel drive vehicles: Check that the spacer -1- is fitted on cylinder head side 4-6.
- 37.1. If you are replacing the engine, remove the spacers and fit them on the new engine.