Disassembling Engine

WARNING: This page is about a different variant/trim than selected.

CAUTION: Heavy components

Risk of squashing
1. → Wear personal protective gear.
2. → Get someone to help if necessary.

WARNING: Danger of objects or loads falling down

Risk of squashing or crushing
1. → Secure components to prevent them from falling down.

NOTIFICATION

Interchanged or dirty bucket tappets

Scoring on cylinder head
1. → Since the bucket tappets have been run in the fitting bores, do not interchange them.
2. → Absolute cleanliness is essential.

Information

Have a collection pan and cloths ready before starting to work on the engine.
Close off open connections using suitable stoppers.
Residual fluid can leak out.

Information

For many components, it is only necessary to partially disassemble the engine. The extent of disassembly depends on the damage and scope of repairs to be carried out.

Have suitable stoppers ready for closing off the line connections.
Mark vacuum hoses so that they cannot get mixed up.
Remove turbocharger.
V6 monoturbo:

Refer to the appropriate service information.

V6 biturbo:

Refer to the appropriate service information.
Remove high-pressure pump.
Refer to the appropriate service information.
Remove upper chain housing cover.
Refer to the appropriate service information.
Remove ignition coils.
Refer to the appropriate service information.
Remove spark plugs.
Refer to the appropriate service information.
Remove oil separator.
Refer to the appropriate service information.
Remove oil filter housing.
V6 monoturbo:

Refer to the appropriate service information.

V6 biturbo:

Refer to the appropriate service information.
Remove oil/water heat exchanger.
Refer to the appropriate service information.
Remove piston spray nozzle control valve.
Refer to the appropriate service information.
Remove fuel collection pipe.
Refer to the appropriate service information.
Remove fuel injectors.
Refer to the appropriate service information.
Remove solenoid hydraulic valves for valve lift adjustment.
Refer to the appropriate service information.
Remove tank vent valve.
V6 monoturbo:

Refer to the appropriate service information.

V6 biturbo:

Refer to the appropriate service information.
Remove drive belt.
Remove air-conditioning compressor.
V6 Turbo:

Refer to the appropriate service information.

V6 Hybrid:

Refer to the appropriate service information.
Remove generator.
Refer to the appropriate service information.
Remove air-conditioning compressor bracket -5- .

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Air-conditioning compressor bracket (shown on V6 monoturbo)
1. 19.1 Remove tensioning roller -3- .
  1. 19.1.1 Carefully lever off dust boot -1- using a suitable tool.
  2. 19.1.2 Unscrew screw on tensioning roller -2- .
  3. 19.1.3 Remove tensioning roller -3- .
2. 19.2 Unscrew screws on air-conditioning compressor bracket -4- .
3. 19.3 Remove air-conditioning compressor bracket -5- .
Remove generator bracket -1- .

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Generator bracket
1. 20.1 Unscrew and remove screws -2- .
2. 20.2 Remove generator bracket -1- .
Remove deflection roller -1- .

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Deflection roller for drive belt for generator
1. 21.1 Carefully lever off dust boot -2- using a suitable tool.
2. 21.2 Unscrew screw on deflection roller -3- .
3. 21.3 Remove deflection roller -1- .
Remove crankshaft vibration damper.
Refer to the appropriate service information.
Remove drive plate.
Refer to the appropriate service information.
Remove hall-sender rotor.
Refer to the appropriate service information.
Remove oil pressure control valve.
Refer to the appropriate service information.
Remove intake-air distributor.
Refer to the appropriate service information.
Remove oil pan.
Refer to the appropriate service information.
Remove oil guide housing.
Refer to the appropriate service information.
Remove oil pump.
Refer to the appropriate service information.
Remove oil windage tray -2- .

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Oil plate
1. 30.1 Unscrew screws for oil windage tray -1 and 3- .
2. 30.2 Remove oil windage tray -2- from cylinder block.
Remove lower chain housing cover.
Refer to the appropriate service information.
Remove crankcase cover.
Refer to the appropriate service information.
Remove coolant pump.
Refer to the appropriate service information.
Remove coolant regulator (thermostat insert).
Refer to the appropriate service information.
Remove coolant control valve -3- .

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Coolant control valve
1. 35.1 Pull off vacuum hose -1- .
2. 35.2 Unscrew screws on coolant control valve -2- and pull coolant control valve -3- off the coolant pipe -4- .
Remove coolant flanges on left and right cylinder bank.

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Coolant flanges
1. 36.1 Remove screws -1 to 3- .
2. 36.2 Remove coolant flanges.
Remove brake booster vacuum pump.
V6 monoturbo:

Refer to the appropriate service information.

V6 biturbo:

Refer to the appropriate service information.
Remove timing chain.
Refer to the appropriate service information.
Remove chain tensioner.
Refer to the appropriate service information.
Remove guide and tensioning rails.
Refer to the appropriate service information.
Remove both cylinder head covers.
Refer to the appropriate service information.
Remove camshafts from the cylinder head covers.
Refer to the appropriate service information.
Remove both cylinder heads.
Refer to the appropriate service information.
Disassemble cylinder heads.
1. 44.1 Remove valve lifters (hydraulic tappets).
  Refer to the appropriate service information.
2. 44.2 Remove valves.
  Refer to the appropriate service information.
3. 44.3 Remove valve-stem seals.
  Refer to the appropriate service information.
Remove balance shaft.
Refer to the appropriate service information.
Remove crankshaft.
Refer to the appropriate service information.
Remove pistons and connecting rods.
Refer to the appropriate service information.
Remove piston spray nozzles -2- .

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Piston spray nozzles on cylinder block
1. 48.1 Unscrew screws on piston spray nozzles -1- .
2. 48.2 Remove piston spray nozzles -2- .
Remove knock sensor.
Refer to the appropriate service information.