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Home >> Porsche >> 2021 >> Macan S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (10 Engine - Crankcase, Suspension 2.9L -- 95B - MACAN (95B)) >> WM, 100137 Disassembling And Assembling Engine (V6 Turbo) >> Disassembling And Assembling Engine >> Assembling The Engine

Assembling The Engine

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

Information 

Information 

Replace worn bearing shells.

Information 

Sealing faces must be free of oil and grease.

  1. Clean components and perform visual inspection. Replace damaged components.
    1. 1.1  Clean sealing faces.
    2. 1.2  Clean the thread and re-cut if necessary.
  2. Install the knock sensor.
    • Remove and install the knock sensor (V6 Turbo) 
  3. Install oil spray jet.
  4. Install crankshaft with new bearing shells into the cylinder block.
  5. Install new bearing shells in pistons and connecting rods.
  6. Install balance shafts.
  7. Assemble cylinder heads.
    1. 7.1  Install new  valve-stem seals.
    2. 7.2  Install valves.
    3. 7.3  Install valve lifters (hydraulic tappets).
      • 155920 Remove and install valve lifter  , Refer to the appropriate service information.
  8. Install cylinder heads with new cylinder head gaskets.
  9. Install camshafts in cylinder head covers.
    • 150520 Remove and install camshafts  , Refer to the appropriate service information.
  10. Install cylinder head cover.
  11. Install guide and tension rails.
  12. Install chain tensioner.
  13. Install control chain.
  14. Install brake booster vacuum pump.
  15. Install coolant switching valve -3-  .
    G15150128Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Coolant switching valve

    1. 15.1  Fit and position coolant switching valve -3-  on coolant pipe -4-  .
    2. 15.2  Fit and tighten screws on coolant switching valve -2-  .
      • Tightening torque 9 Nm (6.5 ftlb.) 
    3. 15.3  Connect vacuum hose -1-  .
  16. Install coolant pump.
  17. Install coolant regulator.
  18. Install coolant flanges on left and right cylinder bank.
    Fig 1: Coolant Flanges Screws Tightening Sequence
    G15150129Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Coolant flanges

    1. 18.1  Position coolant flanges.
    2. 18.2  Screw in and tighten screws -1 and 2-  .
      • Tightening torque 9 Nm (6.5 ftlb.) 
    3. 18.3  Screw in and tighten screws -3-  .
      • Tightening torque 9 Nm (6.5 ftlb.) 
  19. Replace crankshaft sealing rings on both sides of the engine.

    Flywheel side: 

  20. Install crankcase cover.
  21. Install lower chain housing cover.
  22. Install oil pump.
  23. Install oil guide housing.
  24. Install oil pan.
  25. Install intake distributor.
  26. Install oil pressure control valve.
  27. Install drive plate.
  28. Install crankshaft vibration damper.
  29. Install drive belt deflection roller for generator -1-  .
    G15150130Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Drive belt deflection roller for generator

    1. 29.1  Position deflection roller -1-  .
    2. 29.2  Fit and tighten screw for deflection roller -3-  .
      • Tightening torque 25 Nm (19 ftlb.) 
    3. 29.3  Push on dust boot -2-  .
  30. Install generator support -1-  .
    G15150131Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Generator support

    1. 30.1  Position generator support -1-  .
    2. 30.2  Screw in and tighten screws -2-  .
      • Initial tightening 8 Nm (6 ftlb.) 
  31. Install air-conditioning compressor -5-  support.
    G15150132Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Air-conditioning compressor support (shown on V6 Monoturbo)

    1. 31.1  Position air-conditioning compressor -5-  support.
    2. 31.2  Fit and tighten screws securing air-conditioning compressor -4-  support.
      • Initial tightening 8 Nm (6 ftlb.) 
    3. 31.3  Install tensioning roller -3-  .
      1. 31.3.1  Position tensioning roller -3-  .
      2. 31.3.2  Replace screw on tensioning roller -2-  for air-conditioning compressor drive belt.
      3. 31.3.3  Fit and tighten new  screw for tensioning pulley -2-  .
        • Tightening torque 25 Nm (19 ftlb.) 
      4. 31.3.4  Push on dust boot -1-  .
  32. Install generator.
  33. Install air-conditioning compressor.
  34. Install drive belt.
  35. Install tank vent.
  36. Install solenoid hydraulic valve for valve lift adjustment.
  37. Install injector valve.
  38. Install fuel collection pipe.
  39. Install oil cooler.
  40. Install oil filter housing.
  41. Install oil separator.
  42. Install spark plugs.
  43. Install ignition coils.
  44. Install upper chain housing cover.
  45. Install high-pressure pump.
  46. Install turbocharger.
  47. Connect all vacuum hoses in accordance with the markings.
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