LEMON Manuals: Even more car manuals for everyone
Home >> Alfa Romeo >> 2021 >> Stelvio Ti >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (2.9L - Engine (Service Information)) >> Cylinder Head >> Cover(S), Cylinder Head >> Removal And Installation >> Left

Removal And Installation: Left

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

REMOVAL 

  1. Remove the left timing chain and sprocket. Refer to CHAIN AND SPROCKETS, TIMING, REMOVAL AND INSTALLATION .
    GC0194899Courtesy of CHRYSLER GROUP, LLC
  2. Remove the bolt (1a) securing the ground wire (1b).
    GC0193243Courtesy of CHRYSLER GROUP, LLC
  3. Disconnect the fuel pressure sensor wire harness connector (1).
  4. Remove the bolt (2a) fixing the wiring retaining collar (2b).
    GC0194865Courtesy of CHRYSLER GROUP, LLC
  5. Open the wiring retaining clip (1a) and disconnect knock sensor wire harness connector (1b).
    GC0194248Courtesy of CHRYSLER GROUP, LLC
  6. Disconnect the Variable Valve Timing (VVT) solenoid wire harness connectors (1).
    GC0194056Courtesy of CHRYSLER GROUP, LLC
  7. Disconnect the wire harness connectors (1) for cylinder No. 4 - 5 ignition coils.
    GC0194482Courtesy of CHRYSLER GROUP, LLC
  8. Disconnect the intake side Camshaft Position (CMP) sensor wire harness connector (1).
    GC0195000Courtesy of CHRYSLER GROUP, LLC
  9. Disconnect the exhaust side CMP sensor wire harness connector (2).
  10. Disconnect the air temperature and pressure sensor wire harness connector (1).
  11. Disconnect the fuel pump pressure regulator wire harness connector.
    GC0194285Courtesy of CHRYSLER GROUP, LLC
  12. Remove the bolts (1a) and release the wiring (1b).
    GC0195339Courtesy of CHRYSLER GROUP, LLC
  13. Disconnect the wire harness connector (1) of cylinder ignition coil No. 6.
  14. Disconnect the wastegate valve wire harness connector (2).
    GC0194184Courtesy of CHRYSLER GROUP, LLC
  15. Disconnect the throttle body wire harness connector (1a) and release the wiring from the clip (1b).
    GC0195142Courtesy of CHRYSLER GROUP, LLC
  16. Remove the bolt (1a) securing the high pressure fuel pipe (1b) to the intake manifold.
    GC0193700Courtesy of CHRYSLER GROUP, LLC
  17. Remove the bolts (1a) and the engine oil vapor diverter valve (1b) complete with O-ring (1c).
    GC0195057Courtesy of CHRYSLER GROUP, LLC
  18. Remove the bolts (1a) and the intake manifold (1b).
  19. Remove the gasket.
    GC0193768Courtesy of CHRYSLER GROUP, LLC
  20. Remove the low pressure fuel tube connector (3).
    GC0194563Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    The high pressure pipe must always be replaced each time it is removed.

  21. Loosen the high pressure fuel pipe connector (1).
    GC0195277Courtesy of CHRYSLER GROUP, LLC
  22. Loosen the connector (1a) and remove the high pressure fuel pipe (1b).
    GC0193454Courtesy of CHRYSLER GROUP, LLC
  23. Disconnect the fuel injector wire harness connectors (1).
  24. Disconnect the coolant temperature sensor wire harness connector (2).
    GC0193038Courtesy of CHRYSLER GROUP, LLC
  25. Remove the bolts (1a) and release the pressure pump wiring retaining bracket (1b).
    GC0195092Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Handle the pressure pump with care because accidental knocks could compromise its operation.

  26. Remove the bolts (1a) and the pressure pump complete with wiring retaining bracket (1b).
    GC0193760Courtesy of CHRYSLER GROUP, LLC
  27. Remove the roller tappet (1).
    GC0193766Courtesy of CHRYSLER GROUP, LLC
  28. Remove the bolts (1a) and the ignition coils (1b).
    GC0195167Courtesy of CHRYSLER GROUP, LLC
  29. Loosen the band (1) and disconnect the vacuum air pipe.
  30. Remove the bolts (2) securing the vacuum air pipe to the cylinder head.
    GC0194218Courtesy of CHRYSLER GROUP, LLC
  31. Loosen the band (1) and disconnect the wastegate valve actuator side of the vacuum air pipe.
    GC0193413Courtesy of CHRYSLER GROUP, LLC
  32. Remove the bolts (1) securing the vacuum air pipes to the cylinder head covers.
    GC0193450Courtesy of CHRYSLER GROUP, LLC
  33. Disconnect the quick connector (1) of the vacuum air pump side of the vacuum pipe.
  34. Remove the bolts (2a) and the solenoid valve (2b) complete with pipes.
    GC0193372Courtesy of CHRYSLER GROUP, LLC
  35. Remove the bolts (1a) and the engine oil vapor recovery pipe (1b) complete with O-ring.
    GC0195059Courtesy of CHRYSLER GROUP, LLC
  36. Remove the bolts (1a) and the vacuum pump (1b).
  37. Remove the gasket.
    GC0195144Courtesy of CHRYSLER GROUP, LLC
  38. Remove the bolts (1a) and the CMP sensors (1b) complete with O-rings (1c).
    GC0195028Courtesy of CHRYSLER GROUP, LLC
  39. Remove the bolts (1a) and the VVT solenoids (1b) complete with O-rings (1c).
    GC0194597Courtesy of CHRYSLER GROUP, LLC
  40. Remove the (special tool #2024000090, Guide Pins, Camshaft) (1).
    GC0194329Courtesy of CHRYSLER GROUP, LLC
  41. Remove the bolts (1a) and the tappet cover (1b).
    GC0193415Courtesy of CHRYSLER GROUP, LLC
  42. Remove the cylinder head cover gaskets (1 - 2).
  43. Remove the O-rings from the engine oil ducts.
  44. Remove the residues of sealant from the cylinder head and tappet cover, using a suitable scraper, taking care not to damage the surfaces.

INSTALLATION 

GC0194511Courtesy of CHRYSLER GROUP, LLC
  1. Install a NEW  cylinder head gasket, inserting it in the groove provided in the cylinder head.
  2. Install the NEW  engine oil duct O-rings, inserting them in the grooves provided in the cylinder head.
  3. Apply a bead of Dow Corning® sealant, 2 +/- 0.5 mm in the points shown in illustration (1).
    Fig 1: Cylinder Head Cover Bolts Tightening Sequence
    GC0195386Courtesy of CHRYSLER GROUP, LLC
  4. Install the cylinder head cover and tighten the bolts finger tight.
  5. Using the tightening sequence shown in illustration, tighten the bolts to the proper torque specification. Refer to TORQUE SPECIFICATIONS .
    GC0193276Courtesy of CHRYSLER GROUP, LLC
  6. Using a NEW  O-ring, install the Variable Valve Timing (VVT) solenoids (1a) and tighten the bolts (1b) to the proper torque specification. Refer to TORQUE SPECIFICATIONS .
    GC0194608Courtesy of CHRYSLER GROUP, LLC
  7. Using a NEW  O-ring, install the Camshaft Position (CMP) sensors (1a) and tighten the bolts (1b) to the proper torque specification. Refer to TORQUE SPECIFICATIONS .
  8. Using a NEW  gasket, install the vacuum pump and securely tighten the bolts.
  9. Using a NEW  O-ring, install the engine oil vapor recovery pipe and securely tighten the bolts.
  10. Install the wastegate control solenoid valve complete with pipes and securely tighten the bolts.
  11. Connect the rapid connector of the vacuum air pump side of the vacuum pipe.
  12. Connect the vacuum air hoses to their respective rigid pipes and tighten the bands.
    GC0195324Courtesy of CHRYSLER GROUP, LLC
  13. Install the ignitions coils (1a) and tighten the bolts (1b) to the proper torque specification. Refer to TORQUE SPECIFICATIONS .
  14. Place the roller tappet back in its housing.
    GC0194040Courtesy of CHRYSLER GROUP, LLC
  15. Using a NEW  O-ring, install the pressure pump (1a) complete with a wiring retaining bracket and tighten the bolts (1b) to the proper torque specification. Refer to TORQUE SPECIFICATIONS .
  16. Install the pressure pump wiring retaining bracket bolts and securely tighten.
  17. Connect the coolant temperature sensor wire harness connector.
  18. Connect the fuel injector wire harness connectors.
    GC0195358Courtesy of CHRYSLER GROUP, LLC
  19. Install the NEW  high pressure fuel tube (1a) to the fuel rail and tighten the connector (1b) to the proper torque specification. Refer to TORQUE SPECIFICATIONS .
    GC0195376Courtesy of CHRYSLER GROUP, LLC
  20. Tighten the high pressure fuel tube connector (1) at the pressure pump and tighten to the proper torque specification. Refer to TORQUE SPECIFICATIONS .
    GC0194761Courtesy of CHRYSLER GROUP, LLC
  21. Install the low pressure fuel tube and tighten the connector (2) to the proper torque specification. Refer to TORQUE SPECIFICATIONS .
  22. Securely tighten the bolts (1) of the high pressure fuel pipe intermediate bracket.
    Fig 2: Intake Manifold Bolts Tightening Sequence
    GC0194250Courtesy of CHRYSLER GROUP, LLC
  23. Using a NEW  gasket, install the intake manifold and tighten the bolts finger tight.
  24. Using the tightening sequence shown in illustration, tighten the bolts to the proper torque specification. Refer to TORQUE SPECIFICATIONS .
  25. Using a NEW  O-ring, install the engine oil vapor diverter valve and securely tighten the bolts.
  26. Connect the throttle body wire harness connector and engage the wiring with the retaining clips.
  27. Connect the wastegate solenoid valve wire harness connector.
  28. Connect the cylinder ignition coil No. 6 wire harness connector.
  29. Tighten the bolts securing the engine wiring.
  30. Connect the fuel pump pressure regulator wire harness connector.
  31. Connect the air temperature and pressure sensor wire harness connector.
  32. Connect the intake CMP sensor wire harness connectors.
  33. Connect the exhaust CMP sensor wire harness connectors.
  34. Connect the wire harness connectors for cylinder No. 4 - 5 ignition coils.
  35. Connect the VVT solenoid wire harness connector.
  36. Connect the knock sensor wire harness connector and engage the respective wiring with the retaining clip.
  37. Tighten the bolt securing the wiring retaining collar and securely tighten.
  38. Connect the fuel pressure sensor wire harness connector.
  39. Install the bolt securing the ground wire and securely tighten bolt.
  40. Install the left timing chain and sprocket. Refer to CHAIN AND SPROCKETS, TIMING, REMOVAL AND INSTALLATION .
scientia non olet · About LEMON Manuals