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Home >> Porsche >> 2019 >> Macan Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (10 Engine - Crankcase, Suspension 2.9L -- 95B - MACAN (95B)) >> WM, 100137 Disassembling And Assembling Engine (V6 Turbo) >> Disassembling And Assembling Engine >> Disassembling Engine

Disassembling Engine

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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 

Information 

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.

  1. Mark vacuum hoses so that they cannot get mixed up.
  2. Remove turbocharger.
  3. Remove high-pressure pump.
  4. Remove upper chain housing cover.
  5. Remove ignition coils.
  6. Remove spark plugs.
  7. Remove oil separator.
  8. Remove oil filter housing.
  9. Remove oil cooler.
  10. Remove fuel collection pipe.
  11. Remove injector valves.
  12. Remove hydraulic valve for valve lift switchover.
  13. Remove tank vent valve.
  14. Remove drive belt.
  15. Remove air-conditioning compressor.
  16. Removing the generator.
  17. Remove air-conditioning compressor support -5-  .
    G15150123Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Air-conditioning compressor support (shown on V6 Monoturbo)

    1. 17.1  Remove tensioning roller. -3- 
      1. 17.1.1  Carefully lever off the dust cap -1-  with a suitable tool.
      2. 17.1.2  Unscrewing screw on tensioning roller -2-  .
      3. 17.1.3  Remove tensioning roller -3-  .
    2. 17.2  Unscrew the screws of the air conditioning compressor support -4-  .
    3. 17.3  Remove air-conditioning compressor support. -5- 
  18. Remove the generator -1-  support.
    G15150124Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Generator support

    1. 18.1  Unscrew screws -2-  .
    2. 18.2  Remove generator support -1-  .
  19. Remove deflection roller -1-  .
    G15150125Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Deflection roller for drive belt for generator

    1. 19.1  Carefully lever off the dust cap -2-  with a suitable tool.
    2. 19.2  Unscrew screw on deflection roller -3-  .
    3. 19.3  Remove deflection roller -1-  .
  20. Remove crankshaft vibration damper.
  21. Remove the drive plate.
  22. Removing pressure-regulating valve.
  23. Remove intake distributor.
  24. Remove oil pan.
  25. Remove oil guide housing.
  26. Remove oil pump.
  27. Remove lower chain housing cover.
  28. Remove crankcase cover.
  29. Remove coolant pump.
  30. Remove coolant regulator.
  31. Remove the coolant switching valve -3-  .
    G15150126Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Coolant switching valve

    1. 31.1  Pull off vacuum hose -1-  .
    2. 31.2  Unscrew screws on coolant switching valve -2-  and pull coolant switching valve -3-  off the coolant pipe -4-  .
      1. 31.2.1  Replace screws.
  32. Remove coolant flanges on left and right cylinder bank.
    Fig 1: Coolant Flanges Screws Loosening Sequence
    G15150127Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Coolant flanges

    1. 32.1  Unscrew screws -1 to 3-  .
    2. 32.2  Remove coolant flanges.
  33. Remove brake booster vacuum pump.
  34. Remove control chain.
  35. Remove chain tensioner.
  36. Remove guide and tension rails.
  37. Remove the cylinder head cover.
  38. Remove camshafts.
    • 150520 Removing and installing camshafts  , Refer to the appropriate service information.
  39. Remove cylinder heads.
  40. Disassembling cylinder heads.
    1. 40.1  Remove valve lifter.
      • 155920 Removing and installing valve lifter  , Refer to the appropriate service information.
    2. 40.2  Remove valves.
    3. 40.3  Remove valve-stem seals.
  41. Remove balance shaft.
  42. Remove crankshaft.
  43. Remove pistons and connecting rods.
  44. Remove oil spray jets.
  45. Remove knock sensor.
    • Removing and installing knock sensor (V6 Turbo) 
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