GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 45059 Angle Meter

KM-470-B Angular Torque Gage

Removal Procedure


    Object Number: 1291944  Size: SH

    Important: On vehicles equipped with a manual transaxle, the manual transaxle must be removed before the engine is removed.

  1. Remove the fuel pump fuse.
  2. Start the engine. Crank the engine for 10 seconds after it stalls to rid the fuel system of fuel pressure.
  3. Remove the hood. Refer to Hood Replacement.
  4. Warning: Refer to Safety Glasses Warning in the Preface section.

  5. Drain the engine oil.
  6. Warning: Refer to Battery Disconnect Warning in the Preface section.


    Object Number: 1371926  Size: SH
  7. Disconnect the negative battery cable.
  8. Disconnect and separate the positive battery cable.
  9. Disconnect the negative battery cable (1) from the vehicle frame.

  10. Object Number: 1371852  Size: SH
  11. Discharge the air conditioning (A/C) system, if equipped. Refer to Refrigerant Recovery and Recharging.
  12. Disconnect the intake air temperature (IAT) sensor connector.
  13. Remove the air intake tube from the throttle body and air filter housing.
  14. Disconnect the breather tubes from the valve cover.
  15. Remove the right front wheel. Refer to Tire and Wheel Removal and Installation.
  16. Remove the right front splash shield.
  17. Remove the accessory drive belt, if equipped.
  18. Remove the alternator adjusting bolt.

  19. Object Number: 1371866  Size: SH
  20. Drain the engine coolant. Refer to Cooling System Draining and Filling.
  21. Remove the cooling system radiator and the engine cooling fans. Refer to Radiator Replacement.
  22. Disconnect the upper radiator hose from the thermostat housing.
  23. Disconnect the power steering return hose from the power steering pump, if equipped.
  24. Disconnect the power steering pressure hose from the power steering pump, if equipped. Refer to Power Steering Pump Hoses and Pipes Replacement.
  25. Disconnect the electrical connector at the electronic ignition (EI) system ignition coil and the powertrain control module (PCM)/engine control module (ECM) ground terminal at the intake manifold and at the starter motor.

  26. Object Number: 1371861  Size: SH
  27. Disconnect the oxygen sensor connector.
  28. Disconnect the fuel injector harness connectors.
  29. Disconnect the idle air control (IAC) valve connector.
  30. Disconnect the throttle position (TP) sensor connector.
  31. Disconnect the engine coolant temperature (ECT) sensor connector.
  32. Disconnect the alternator voltage regulator connector.
  33. Remove the engine cover bolts.
  34. Remove the engine cover.
  35. Disconnect the camshaft position (CMP) sensor.

  36. Object Number: 1371864  Size: SH
  37. Disconnect all of the necessary vacuum lines including the brake booster vacuum hose.
  38. Disconnect the fuel feed line at the fuel rail.

  39. Object Number: 1371927  Size: SH
  40. Disconnect the throttle cable from the throttle body and the intake manifold bracket.
  41. Disconnect the surge tank coolant hose at the throttle body.
  42. Disconnect the heater outlet hose at the coolant pipe.
  43. Disconnect the heater inlet hose from the cylinder head.
  44. Disconnect the surge tank coolant hose from the coolant pipe.
  45. Disconnect the lower radiator hose from the coolant pipe.

  46. Object Number: 1371928  Size: SH
  47. Disconnect the starter solenoid S terminal wire.
  48. Remove the A/C compressor hose assembly retaining bolt.
  49. Disconnect the A/C compressor hose assembly from the compressor.
  50. Disconnect the electrical connector at the A/C compressor coil.
  51. Remove the power steering hose from the power steering pump.

  52. Object Number: 1371910  Size: SH
  53. Remove the catalytic converter lower flange nuts from the exhaust manifold studs and the bolts at the bracket.

  54. Object Number: 1371911  Size: SH
  55. Remove the nuts that secure the front muffler pipe.
  56. Remove the front exhaust pipe as a unit.

  57. Object Number: 1371908  Size: SH
  58. Remove the crankshaft pulley bolt.
  59. Remove the crankshaft pulley.
  60. Disconnect the vacuum lines at the evaporative emission (EVAP) canister purge solenoid.
  61. Disconnect the electrical connector at the EVAP charcoal canister purge solenoid.
  62. Disconnect the electrical connector at the oil pressure switch.
  63. Disconnect the crankshaft position (CKP) sensor and the knock sensor connectors.
  64. Remove the CKP sensor retaining bolt.
  65. Remove the CKP sensor.

  66. Object Number: 1245846  Size: SH
  67. Install the engine lifting device.
  68. Remove the service hole cover.
  69. Remove the torque converter bolts. Refer to Transmission Replacement.

  70. Object Number: 1371917  Size: SH
  71. Remove the power steering hoses and pipes. Refer to Power Steering Pump Hoses and Pipes Replacement.
  72. Remove the cross member by removing the nuts and the bolts to underbody.
  73. Disconnect the right engine mount bracket from the engine mount by removing the retaining bolts.
  74. Remove the right engine mount bracket from the engine block.
  75. Separate the engine block from the transaxle.
  76. Remove the engine.

Installation Procedure


    Object Number: 1371917  Size: SH
  1. Install the engine into the engine compartment.
  2. Install the right engine mount bracket to the engine block.
  3. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the right engine mount bracket retaining bolts.
  5. Tighten
    Tighten the engine mount bracket retaining bolts to 60 N·m (44 lb ft).

  6. Connect the right engine mount bracket to the engine mount by installing the 2 retaining bolts.
  7. Tighten
    Tighten the engine mount-to-engine mount bracket retaining bolts to 60 N·m (44 lb ft).


    Object Number: 1245846  Size: SH
  8. Remove the floor jack used for support of the transaxle.
  9. Remove the engine lifting device.
  10. Install the transaxle torque converter bolts on vehicles equipped with an automatic transaxle.
  11. Tighten
    Tighten the transaxle torque converter bolts to 65 N·m (48 lb ft).


    Object Number: 1242023  Size: SH
  12. Install the rear mounting bracket bolts and the bracket.
  13. Tighten
    Tighten the rear mounting bracket bolts to 60 N·m (44 lb ft).

  14. Install the damping block connection nut and bolt.

  15. Object Number: 1371872  Size: SH
  16. Connect the vacuum lines at the EVAP charcoal canister purge solenoid.
  17. Connect the electrical connector to the EVAP canister purge solenoid.
  18. Connect the oil pressure switch connector.
  19. Install the crankshaft pulley.
  20. Install the crankshaft pulley bolt.
  21. Tighten
    Tighten the crankshaft pulley bolt to 95 N·m (70 lb ft) using a torque wrench. Using the J 45059 or KM-470-B , tighten the crankshaft pulley bolt 30 degrees plus 15 degrees.


    Object Number: 1371910  Size: SH
  22. Install the CKP sensor and the CKP sensor retaining bolt.
  23. Tighten
    Tighten the crankshaft position sensor retaining bolt to 10 N·m (89 lb in).

  24. Connect the CKP sensor and the knock sensor connectors.
  25. Install the catalytic converter and the exhaust pipe as a unit.
  26. Tighten

        • Tighten the catalytic converter-to-exhaust manifold nuts and the bolts at the bracket to 40 N·m (30 lb ft).
        • Tighten the front muffler nuts to 30 N·m (22 lb ft).
  27. Connect the power steering pressure hose, if equipped.

  28. Object Number: 1371864  Size: SH
  29. Connect the A/C compressor coil connector, if equipped.
  30. Connect the ECT sensor connector.
  31. Install the alternator adjusting bolt.
  32. Install the accessory drive belt, if equipped.
  33. Connect the A/C compressor hose assembly and the A/C compressor hose assembly retaining bolt, if equipped.
  34. Tighten
    Tighten the A/C compressor hose assembly retaining bolt to 33 N·m (24 lb ft).

  35. Install the right front splash shield.
  36. Install the right front wheel. Refer to Tire and Wheel Removal and Installation.
  37. Connect the fuel feed line to the fuel rail.

  38. Object Number: 1371861  Size: SH
  39. Connect all of the necessary vacuum lines including the brake booster vacuum hose.
  40. Connect the oxygen sensor connector.
  41. Connect the starter solenoid S terminal wire.
  42. Connect the alternator voltage regulator connector.
  43. Connect the TP sensor connector.
  44. Connect the IAC valve connector.
  45. Connect the CMP sensor.
  46. Install the engine cover.
  47. Install the engine cover bolts.
  48. Tighten
    Tighten the engine cover bolts to 3 N·m (27 lb in).


    Object Number: 1371859  Size: SH
  49. Connect the fuel injector harness connectors.
  50. Connect the electrical connector at the EI system ignition coil and the PCM/ECM ground terminal at the intake manifold and the starter motor.
  51. Install the air intake tube between the throttle body and the air filter housing.
  52. Connect the breather tubes to the valve cover.
  53. Connect the IAT sensor connector.
  54. Install the cooling system radiator and the engine cooling fans. Refer to Radiator Replacement.

  55. Object Number: 1371927  Size: SH
  56. Connect the lower radiator hose to the coolant pipe.
  57. Connect the upper radiator hose to the thermostat housing.
  58. Connect the heater inlet hose to the cylinder head.
  59. Connect the heater outlet hose to the coolant pipe.
  60. Connect the coolant surge tank hose to the coolant pipe.
  61. Connect the surge tank coolant hose to the throttle body.
  62. Connect the throttle cable to the throttle body and the intake manifold bracket.
  63. Install the fuel pump fuse.
  64. Connect the negative battery cable to the vehicle frame.
  65. Connect the negative battery cable.
  66. Connect and assemble the positive battery cable.
  67. Refill the engine crankcase with engine oil.
  68. Refill the engine coolant system. Refer to Cooling System Draining and Filling.
  69. Bleed the power steering system, if equipped. Refer to Power Steering System Bleeding.
  70. Refill the A/C refrigerant system, if equipped. Refer to Refrigerant Recovery and Recharging.
  71. Install the hood. Refer to Hood Replacement.