GM Service Manual Online
For 1990-2009 cars only

Intake Manifold Replacement RPOs LY2, LY6

Removal Procedure


    Object Number: 1696891  Size: SH
  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement.
  2. Remove the generator. Refer to Generator Replacement.
  3. Remove the engine harness retainer nut (1).
  4. Remove the engine harness retainer from the stud and locator pin.
  5. Disconnect the engine harness electrical connector (2) from the evaporative emission (EVAP) canister purge solenoid.
  6. Disconnect the engine wiring harness electrical connector (4) from the manifold absolute pressure (MAP) sensor.

  7. Object Number: 1696892  Size: SH
  8. Remove the connector position assurance (CPA) retainer (1).
  9. Disconnect the engine harness electrical connector (1) from the ignition coil harness electrical connector.
  10. Disconnect the engine harness electrical connectors (3) from the left side fuel injectors.
  11. Remove the engine harness clip (4) from the ignition coil bracket stud.

  12. Object Number: 1696893  Size: SH
  13. Remove the CPA retainer (2).
  14. Disconnect the engine harness electrical connector (1) from the ignition coil harness electrical connector.
  15. Disconnect the engine harness electrical connector (3) from the throttle actuator.
  16. Remove the engine harness clip (4) from the generator battery jumper cable.
  17. Remove the engine harness clip (6) from the ignition coil bracket stud.
  18. Disconnect the engine harness electrical connectors (7) from the right side fuel injectors.

  19. Object Number: 1696914  Size: SH
  20. Remove the engine harness clip (1) bolt (3).
  21. Disconnect the engine harness electrical connector (2) from the engine coolant temperature (ECT) sensor.
  22. Gather the engine harness branches and tie the harness up out of the way to the cowl panel.

  23. Object Number: 1696916  Size: SH
  24. Reposition the brake booster vacuum hose clamp at the booster.
  25. Remove the brake booster vacuum hose from the booster fitting.
  26. Secure the brake booster vacuum hose to the intake manifold.

  27. Object Number: 1696917  Size: SH
  28. Disconnect the EVAP canister purge tube (1) quick connect fitting from the EVAP canister purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service.
  29. Disconnect the fuel feed line quick connect fitting (2) from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service.

  30. Object Number: 1696791  Size: SH
  31. Remove the positive crankcase ventilation (PCV) hose from the intake manifold fitting.
  32. Position the hose out of the way.

  33. Object Number: 1403311  Size: SH
  34. Loosen the intake manifold bolts (512).
  35. Note: The aid of an assistant may be helpful in holding the engine harness up out of the way so the upper intake manifold cover does not get caught against the engine harness.

  36. Remove the intake manifold (500).
  37. Cover the cylinder head passages in order to prevent dirt or debris from entering the passages.

  38. Object Number: 1277097  Size: SH
  39. Remove and discard the intake manifold gaskets (514).

  40. Object Number: 1697051  Size: SH
  41. If replacing the intake manifold, perform the following steps, otherwise proceed to step 21 of the installation procedure.
  42. Place the intake manifold on a clean work surface.
  43. Reposition the brake booster vacuum hose clamp at the intake manifold.
  44. Remove the brake booster vacuum hose from the intake manifold nipple.

  45. Object Number: 1697057  Size: SH
  46. Remove the upper intake manifold cover nut.
  47. Remove the upper intake manifold cover.

  48. Object Number: 1697060  Size: SH
  49. Remove the manifold absolute pressure (MAP) sensor retainer.
  50. Remove the MAP sensor.

  51. Object Number: 1697062  Size: SH
  52. Disconnect the EVAP tube quick connect fitting at the intake manifold. Refer to Plastic Collar Quick Connect Fitting Service.
  53. Disengage the retainer securing the EVAP canister purge solenoid to the fuel rail.
  54. Remove the EVAP tube and purge solenoid.

  55. Object Number: 1697064  Size: SH
  56. Remove the throttle body bolts/nuts.
  57. Remove the throttle body.
  58. Remove and discard the throttle body gasket.

  59. Object Number: 1697066  Size: SH
  60. Remove the fuel rail bolts.
  61. Note: Lift evenly on both sides of the fuel rail until all injectors are removed from their bores.

  62. Remove the fuel rail.
  63. Remove and discard the fuel injector lower O-ring seals.

  64. Object Number: 1697067  Size: SH

    Note: Evenly push in the RED collar in order to remove the nipple.

  65. Remove the brake booster vacuum hose nipple.

Installation Procedure


    Object Number: 1697067  Size: SH
  1. If the intake manifold was replaced perform the following steps, otherwise proceed to step 21.
  2. Note: Evenly push in the RED collar in order to install the nipple.

  3. Install the brake booster vacuum hose nipple to the NEW intake manifold.

  4. Object Number: 1697066  Size: SH
  5. Install NEW fuel injector lower O-ring seals onto the injectors.
  6. Lubricate the NEW O-ring seals with clean engine oil.
  7. Note: Push down firmly on both sides of the rail until all the injectors have been seated into their bores.

  8. Install the fuel rail.
  9. Caution: Refer to Fastener Caution in the Preface section.

  10. Install the fuel rail bolts and tighten to 10 N·m (89 lb in).

  11. Object Number: 1697064  Size: SH
  12. Install a NEW throttle body gasket to the intake manifold.
  13. Install the throttle body.
  14. Install the throttle body bolts/nuts and tighten to 10 N·m (89 lb in).

  15. Object Number: 1697062  Size: SH
  16. Install the EVAP tube and purge solenoid.
  17. Install the EVAP canister purge solenoid to the fuel rail bracket and engage the retainer.
  18. Connect the EVAP tube quick connect fitting at the intake manifold. Refer to Plastic Collar Quick Connect Fitting Service.

  19. Object Number: 1697060  Size: SH
  20. Lubricate the MAP sensor seal with clean engine oil.
  21. Install the MAP sensor.
  22. Install the MAP sensor retainer.

  23. Object Number: 1697057  Size: SH
  24. Install the upper intake manifold cover.
  25. Install the upper intake manifold cover nut until snug

  26. Object Number: 1697051  Size: SH
  27. Install the brake booster vacuum hose to the intake manifold nipple.
  28. Position the brake booster vacuum hose clamp at the intake manifold.
  29. Secure the brake booster vacuum hose to the intake manifold.

  30. Object Number: 1277097  Size: SH
  31. Install NEW intake manifold gaskets (514) to the intake manifold.
  32. Remove the covers from the cylinder head passages.

  33. Object Number: 1403311  Size: SH
  34. Install the intake manifold (500).
  35. Note: The aid of an assistant may be helpful in holding the engine harness up out of the way so the upper intake manifold cover does not get caught against the engine harness.

  36. Tighten the intake manifold bolts (512) until snug.

  37. Object Number: 63222  Size: SH
  38. Tighten the intake manifold bolts to specifications.
  39. • Tighten the bolts a first pass in the sequence shown to 5 N·m (44 lb in).
    • Tighten the bolts a final pass in the sequence shown to 10 N·m (89 lb in).

    Object Number: 1696791  Size: SH
  40. Position and install the PCV hose to the intake manifold fitting.

  41. Object Number: 1696917  Size: SH
  42. Connect the fuel feed line quick connect fitting (2) to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service.
  43. Connect the EVAP canister purge tube (1) quick connect fitting to the EVAP canister purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service.

  44. Object Number: 1696916  Size: SH
  45. Unsecure the brake booster vacuum hose from the intake manifold.
  46. Install the brake booster vacuum hose to the booster fitting.
  47. Position the brake booster vacuum hose clamp at the booster.

  48. Object Number: 1696914  Size: SH
  49. Untie the engine harness branches from the cowl panel and position over the engine.
  50. Connect the engine harness electrical connector (2) to the ECT sensor.
  51. Position the engine harness clip (1) to the generator bracket and install the bolt (3).
  52. Tighten the bolt to 9 N·m (80 lb in).


    Object Number: 1696893  Size: SH
  53. Connect the engine harness electrical connectors (7) to the right side fuel injectors.
  54. Install the engine harness clip (6) to the ignition coil bracket stud.
  55. Install the engine harness clip (4) to the generator battery jumper cable.
  56. Connect the engine harness electrical connector (3) to the throttle actuator.
  57. Connect the engine harness electrical connector (1) to the ignition coil harness electrical connector.
  58. Install the CPA retainer (2).

  59. Object Number: 1696892  Size: SH
  60. Install the engine harness clip (4) to the ignition coil bracket stud.
  61. Connect the engine harness electrical connectors (3) to the left side fuel injectors.
  62. Connect the engine harness electrical connector (1) to the ignition coil harness electrical connector.
  63. Install the CPA retainer (1).

  64. Object Number: 1696891  Size: SH
  65. Connect the engine wiring harness electrical connector (4) to the MAP sensor.
  66. Connect the engine harness electrical connector (2) to the EVAP canister purge solenoid.
  67. Install the engine harness retainer to the stud and locator pin.
  68. Install the engine harness retainer nut (1) and tighten to 5 N·m (44 lb in).
  69. Install the generator. Refer to Generator Replacement.
  70. Install the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement.

Intake Manifold Replacement RPOs LC9, LMG, LY5, L76

Removal Procedure


    Object Number: 1696891  Size: SH
  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement.
  2. Remove the generator. Refer to Generator Replacement.
  3. Remove the engine harness retainer nut (1).
  4. Remove the engine harness retainer from the stud and locator.
  5. Disconnect the engine harness electrical connector (2) from the evaporative emission (EVAP) canister purge solenoid.
  6. Disconnect the engine wiring harness electrical connector (4) from the manifold absolute pressure (MAP) sensor.

  7. Object Number: 1696892  Size: SH
  8. Remove the connector position assurance (CPA) retainer (1).
  9. Disconnect the engine harness electrical connector (1) from the ignition coil harness electrical connector.
  10. Disconnect the engine harness electrical connectors (3) from the left side fuel injectors.
  11. Remove the engine harness clip (4) from the ignition coil bracket stud.

  12. Object Number: 1696893  Size: SH
  13. Remove the CPA retainer (2).
  14. Disconnect the engine harness electrical connector (1) from the ignition coil harness electrical connector.
  15. Disconnect the engine harness electrical connector (3) from the throttle actuator.
  16. Remove the engine harness clip (4) from the generator battery jumper cable.
  17. Remove the engine harness clip (6) from the ignition coil bracket stud.
  18. Disconnect the engine harness electrical connectors (7) from the right side fuel injectors.

  19. Object Number: 1696914  Size: SH
  20. Remove the engine harness clip (1) bolt (3).
  21. Disconnect the engine harness electrical connector (2) from the engine coolant temperature (ECT) sensor.
  22. Gather the engine harness branches and tie the harness up out of the way to the cowl panel.

  23. Object Number: 1696916  Size: SH
  24. Reposition the brake booster vacuum hose clamp at the booster.
  25. Remove the brake booster vacuum hose from the booster fitting.
  26. Secure the brake booster vacuum hose to the intake manifold.

  27. Object Number: 1696917  Size: SH
  28. Disconnect the EVAP canister purge tube (1) quick connect fitting from the EVAP canister purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service.
  29. Disconnect the fuel feed line quick connect fitting (2) from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service.

  30. Object Number: 1696791  Size: SH
  31. Remove the positive crankcase ventilation (PCV) hose from the intake manifold fitting.

  32. Object Number: 1401989  Size: SH
  33. Loosen the intake manifold bolts.
  34. Remove the intake manifold (500).

  35. Object Number: 1277097  Size: SH
  36. Remove and discard the intake manifold gaskets (514).
  37. Cover the cylinder head passages in order to prevent dirt or debris from entering the passages.

  38. Object Number: 1697051  Size: SH
  39. If replacing the intake manifold, perform the following steps, otherwise proceed to step 21 of the installation procedure.
  40. Place the intake manifold on a clean work surface.
  41. Reposition the brake booster vacuum hose clamp at the intake manifold.
  42. Remove the brake booster vacuum hose from the intake manifold nipple.

  43. Object Number: 1697057  Size: SH
  44. Remove the upper intake manifold cover nut.
  45. Remove the upper intake manifold cover.

  46. Object Number: 1697060  Size: SH
  47. Remove the manifold absolute pressure (MAP) sensor retainer.
  48. Remove the MAP sensor.

  49. Object Number: 1697062  Size: SH
  50. Disconnect the EVAP tube quick connect fitting at the intake manifold. Refer to Plastic Collar Quick Connect Fitting Service.
  51. Disengage the retainer securing the EVAP canister purge solenoid to the fuel rail.
  52. Remove the EVAP tube and purge solenoid.

  53. Object Number: 1697064  Size: SH
  54. Remove the throttle body bolts/nuts.
  55. Remove the throttle body.
  56. Remove and discard the throttle body gasket.

  57. Object Number: 1697066  Size: SH
  58. Remove the fuel rail bolts.
  59. Note: Lift evenly on both sides of the fuel rail until all injectors are removed from their bores.

  60. Remove the fuel rail.
  61. Remove and discard the fuel injector lower O-ring seals.

  62. Object Number: 1697067  Size: SH

    Note: Evenly push in the RED collar in order to remove the nipple.

  63. Remove the brake booster vacuum hose nipple.

Installation Procedure


    Object Number: 1697067  Size: SH
  1. If the intake manifold was replaced perform the following steps, otherwise proceed to step 21.
  2. Note: Evenly push in the RED collar in order to install the nipple.

  3. Install the brake booster vacuum hose nipple to the NEW intake manifold.

  4. Object Number: 1697066  Size: SH
  5. Install NEW fuel injector lower O-ring seals onto the injectors.
  6. Lubricate the NEW O-ring seals with clean engine oil.
  7. Note: Push down firmly on both sides of the rail until all the injectors have been seated into their bores.

  8. Install the fuel rail.
  9. Caution: Refer to Fastener Caution in the Preface section.

  10. Install the fuel rail bolts and tighten to 10 N·m (89 lb in).

  11. Object Number: 1697064  Size: SH
  12. Install a NEW throttle body gasket to the intake manifold.
  13. Install the throttle body.
  14. Install the throttle body bolts/nuts and tighten to 10 N·m (89 lb in).

  15. Object Number: 1697062  Size: SH
  16. Install the EVAP tube and purge solenoid.
  17. Install the EVAP canister purge solenoid to the fuel rail bracket and engage the retainer.
  18. Connect the EVAP tube quick connect fitting at the intake manifold. Refer to Plastic Collar Quick Connect Fitting Service.

  19. Object Number: 1697060  Size: SH
  20. Lubricate the MAP sensor seal with clean engine oil.
  21. Install the MAP sensor.
  22. Install the MAP sensor retainer.

  23. Object Number: 1697057  Size: SH
  24. Install the upper intake manifold cover.
  25. Install the upper intake manifold cover nut until snug

  26. Object Number: 1697051  Size: SH
  27. Install the brake booster vacuum hose to the intake manifold nipple.
  28. Position the brake booster vacuum hose clamp at the intake manifold.
  29. Secure the brake booster vacuum hose to the intake manifold.

  30. Object Number: 1277097  Size: SH
  31. Install NEW intake manifold gaskets (514) to the intake manifold.
  32. Remove the covers from the cylinder head passages.

  33. Object Number: 1401989  Size: SH
  34. Install the intake manifold (500).
  35. Note: The aid of an assistant may be helpful in holding the engine harness up out of the way so the upper intake manifold cover does not get caught against the engine harness.

  36. Tighten the intake manifold bolts (512) until snug.

  37. Object Number: 63222  Size: SH
  38. Tighten the intake manifold bolts to specifications.
  39. • Tighten the bolts a first pass in the sequence shown to 5 N·m (44 lb in).
    • Tighten the bolts a final pass in the sequence shown to 10 N·m (89 lb in).

    Object Number: 1696791  Size: SH
  40. Position and install the PCV hose to the intake manifold fitting.

  41. Object Number: 1696917  Size: SH
  42. Connect the fuel feed line quick connect fitting (2) to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service.
  43. Connect the EVAP canister purge tube (1) quick connect fitting to the EVAP canister purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service.

  44. Object Number: 1696916  Size: SH
  45. Unsecure the brake booster vacuum hose from the intake manifold.
  46. Install the brake booster vacuum hose to the booster fitting.
  47. Position the brake booster vacuum hose clamp at the booster.

  48. Object Number: 1696914  Size: SH
  49. Untie the engine harness branches from the cowl panel and position over the engine.
  50. Connect the engine harness electrical connector (2) to the ECT sensor.
  51. Position the engine harness clip (1) to the generator bracket and install the bolt (3).
  52. Tighten the bolt to 9 N·m (80 lb in).


    Object Number: 1696893  Size: SH
  53. Connect the engine harness electrical connectors (7) to the right side fuel injectors.
  54. Install the engine harness clip (6) to the ignition coil bracket stud.
  55. Install the engine harness clip (4) to the generator battery jumper cable.
  56. Connect the engine harness electrical connector (3) to the throttle actuator.
  57. Connect the engine harness electrical connector (1) to the ignition coil harness electrical connector.
  58. Install the CPA retainer (2).

  59. Object Number: 1696892  Size: SH
  60. Install the engine harness clip (4) to the ignition coil bracket stud.
  61. Connect the engine harness electrical connectors (3) to the left side fuel injectors.
  62. Connect the engine harness electrical connector (1) to the ignition coil harness electrical connector.
  63. Install the CPA retainer (1).

  64. Object Number: 1696891  Size: SH
  65. Connect the engine wiring harness electrical connector (4) to the MAP sensor.
  66. Connect the engine harness electrical connector (2) to the EVAP canister purge solenoid.
  67. Install the engine harness retainer to the stud and locator pin.
  68. Install the engine harness retainer nut (1) and tighten to 5 N·m (44 lb in).
  69. Install the generator. Refer to Generator Replacement.
  70. Install the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement.

Intake Manifold Replacement Except RPOs LY2, LY6, LC9, LMG, LY5,

Removal Procedure


    Object Number: 1696891  Size: SH
  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement.
  2. Remove the generator. Refer to Generator Replacement.
  3. Remove the engine harness retainer nut (1).
  4. Remove the engine harness retainer from the stud and locator pin.
  5. Disconnect the engine harness electrical connector (2) from the evaporative emission (EVAP) canister purge solenoid.
  6. Disconnect the engine wiring harness electrical connector (4) from the manifold absolute pressure (MAP) sensor.

  7. Object Number: 1696892  Size: SH
  8. Remove the connector position assurance (CPA) retainer (1).
  9. Disconnect the engine harness electrical connector (1) from the ignition coil harness electrical connector.
  10. Disconnect the engine harness electrical connectors (3) from the left side fuel injectors.
  11. Remove the engine harness clip (4) from the ignition coil bracket stud.

  12. Object Number: 1696893  Size: SH
  13. Remove the CPA retainer (2).
  14. Disconnect the engine harness electrical connector (1) from the ignition coil harness electrical connector.
  15. Disconnect the engine harness electrical connector (3) from the throttle actuator.
  16. Remove the engine harness clip (4) from the generator battery jumper cable.
  17. Remove the engine harness clip (6) from the ignition coil bracket stud.
  18. Disconnect the engine harness electrical connectors (7) from the right side fuel injectors.

  19. Object Number: 1696914  Size: SH
  20. Remove the engine harness clip (1) bolt (3).
  21. Disconnect the engine harness electrical connector (2) from the engine coolant temperature (ECT) sensor.
  22. Gather the engine harness branches and tie the harness up out of the way to the cowl panel.

  23. Object Number: 1696916  Size: SH
  24. Reposition the brake booster vacuum hose clamp at the booster.
  25. Remove the brake booster vacuum hose from the booster fitting.
  26. Secure the brake booster vacuum hose to the intake manifold.

  27. Object Number: 1696917  Size: SH
  28. Disconnect the EVAP canister purge tube (1) quick connect fitting from the EVAP canister purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service.
  29. Disconnect the fuel feed line quick connect fitting (2) from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service.

  30. Object Number: 1696791  Size: SH
  31. Remove the positive crankcase ventilation (PCV) hose from the intake manifold fitting.
  32. Position the hose out of the way.

  33. Object Number: 1403311  Size: SH
  34. Loosen the intake manifold bolts (512).
  35. Note: The aid of an assistant may be helpful in holding the engine harness up out of the way so the upper intake manifold cover does not get caught against the engine harness.

  36. Remove the intake manifold (500).
  37. Cover the cylinder head passages in order to prevent dirt or debris from entering the passages.

  38. Object Number: 1277097  Size: SH
  39. Remove and discard the intake manifold gaskets (514).

  40. Object Number: 1697051  Size: SH
  41. If replacing the intake manifold, perform the following steps, otherwise proceed to step 21 of the installation procedure.
  42. Place the intake manifold on a clean work surface.
  43. Reposition the brake booster vacuum hose clamp at the intake manifold.
  44. Remove the brake booster vacuum hose from the intake manifold nipple.

  45. Object Number: 1697057  Size: SH
  46. Remove the upper intake manifold cover nut.
  47. Remove the upper intake manifold cover.

  48. Object Number: 1697060  Size: SH
  49. Remove the manifold absolute pressure (MAP) sensor retainer.
  50. Remove the MAP sensor.

  51. Object Number: 1697062  Size: SH
  52. Disconnect the EVAP tube quick connect fitting at the intake manifold. Refer to Plastic Collar Quick Connect Fitting Service.
  53. Disengage the retainer securing the EVAP canister purge solenoid to the fuel rail.
  54. Remove the EVAP tube and purge solenoid.

  55. Object Number: 1697064  Size: SH
  56. Remove the throttle body bolts/nuts.
  57. Remove the throttle body.
  58. Remove and discard the throttle body gasket.

  59. Object Number: 1697066  Size: SH
  60. Remove the fuel rail bolts.
  61. Note: Lift evenly on both sides of the fuel rail until all injectors are removed from their bores.

  62. Remove the fuel rail.
  63. Remove and discard the fuel injector lower O-ring seals.

  64. Object Number: 1697067  Size: SH

    Note: Evenly push in the RED collar in order to remove the nipple.

  65. Remove the brake booster vacuum hose nipple.

Installation Procedure


    Object Number: 1697067  Size: SH
  1. If the intake manifold was replaced perform the following steps, otherwise proceed to step 21.
  2. Note: Evenly push in the RED collar in order to install the nipple.

  3. Install the brake booster vacuum hose nipple to the NEW intake manifold.

  4. Object Number: 1697066  Size: SH
  5. Install NEW fuel injector lower O-ring seals onto the injectors.
  6. Lubricate the NEW O-ring seals with clean engine oil.
  7. Note: Push down firmly on both sides of the rail until all the injectors have been seated into their bores.

  8. Install the fuel rail.
  9. Caution: Refer to Fastener Caution in the Preface section.

  10. Install the fuel rail bolts and tighten to 10 N·m (89 lb in).

  11. Object Number: 1697064  Size: SH
  12. Install a NEW throttle body gasket to the intake manifold.
  13. Install the throttle body.
  14. Install the throttle body bolts/nuts and tighten to 10 N·m (89 lb in).

  15. Object Number: 1697062  Size: SH
  16. Install the EVAP tube and purge solenoid.
  17. Install the EVAP canister purge solenoid to the fuel rail bracket and engage the retainer.
  18. Connect the EVAP tube quick connect fitting at the intake manifold. Refer to Plastic Collar Quick Connect Fitting Service.

  19. Object Number: 1697060  Size: SH
  20. Lubricate the MAP sensor seal with clean engine oil.
  21. Install the MAP sensor.
  22. Install the MAP sensor retainer.

  23. Object Number: 1697057  Size: SH
  24. Install the upper intake manifold cover.
  25. Install the upper intake manifold cover nut until snug

  26. Object Number: 1697051  Size: SH
  27. Install the brake booster vacuum hose to the intake manifold nipple.
  28. Position the brake booster vacuum hose clamp at the intake manifold.
  29. Secure the brake booster vacuum hose to the intake manifold.

  30. Object Number: 1277097  Size: SH
  31. Install NEW intake manifold gaskets (514) to the intake manifold.
  32. Remove the covers from the cylinder head passages.

  33. Object Number: 1403311  Size: SH
  34. Install the intake manifold (500).
  35. Note: The aid of an assistant may be helpful in holding the engine harness up out of the way so the upper intake manifold cover does not get caught against the engine harness.

  36. Tighten the intake manifold bolts (512) until snug.

  37. Object Number: 63222  Size: SH
  38. Tighten the intake manifold bolts to specifications.
  39. • Tighten the bolts a first pass in the sequence shown to 5 N·m (44 lb in).
    • Tighten the bolts a final pass in the sequence shown to 10 N·m (89 lb in).

    Object Number: 1696791  Size: SH
  40. Position and install the PCV hose to the intake manifold fitting.

  41. Object Number: 1696917  Size: SH
  42. Connect the fuel feed line quick connect fitting (2) to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service.
  43. Connect the EVAP canister purge tube (1) quick connect fitting to the EVAP canister purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service.

  44. Object Number: 1696916  Size: SH
  45. Unsecure the brake booster vacuum hose from the intake manifold.
  46. Install the brake booster vacuum hose to the booster fitting.
  47. Position the brake booster vacuum hose clamp at the booster.

  48. Object Number: 1696914  Size: SH
  49. Untie the engine harness branches from the cowl panel and position over the engine.
  50. Connect the engine harness electrical connector (2) to the ECT sensor.
  51. Position the engine harness clip (1) to the generator bracket and install the bolt (3).
  52. Tighten the bolt to 9 N·m (80 lb in).


    Object Number: 1696893  Size: SH
  53. Connect the engine harness electrical connectors (7) to the right side fuel injectors.
  54. Install the engine harness clip (6) to the ignition coil bracket stud.
  55. Install the engine harness clip (4) to the generator battery jumper cable.
  56. Connect the engine harness electrical connector (3) to the throttle actuator.
  57. Connect the engine harness electrical connector (1) to the ignition coil harness electrical connector.
  58. Install the CPA retainer (2).

  59. Object Number: 1696892  Size: SH
  60. Install the engine harness clip (4) to the ignition coil bracket stud.
  61. Connect the engine harness electrical connectors (3) to the left side fuel injectors.
  62. Connect the engine harness electrical connector (1) to the ignition coil harness electrical connector.
  63. Install the CPA retainer (1).

  64. Object Number: 1696891  Size: SH
  65. Connect the engine wiring harness electrical connector (4) to the MAP sensor.
  66. Connect the engine harness electrical connector (2) to the EVAP canister purge solenoid.
  67. Install the engine harness retainer to the stud and locator pin.
  68. Install the engine harness retainer nut (1) and tighten to 5 N·m (44 lb in).
  69. Install the generator. Refer to Generator Replacement.
  70. Install the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement.