GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

    • J 28467-A Universal Support Fixture
    • J 28467-89 Engine Support Fixture Adaptors (Metro)
    • J 36295 Engine/Transmission Frame Handler

    Important: The engine/transaxle assembly is removed from the underside of the vehicle.

  1. Relieve the fuel pressure. Refer to Fuel Pressure Relief Procedure in Engine Controls.
  2. Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  3. Remove the negative and the positive battery cables from the battery.
  4. Remove the hood assembly. Refer to Hood Replacement in Body Front End.
  5. Drain the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.
  6. Remove the radiator with the cooling fan. Refer to Radiator Replacement in Engine Cooling .
  7. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls.
  8. Discharge the Air Conditioning (A/C) system. Refer to Refrigerant Recovery and Recharging in HVAC Systems with A/C - Manual.
  9. Important: All of the components below are in one wiring harness.

  10. Disconnect the following electrical connections:
  11. • The coolant temperature gauge sensor connector
    • The throttle position sensor connector
    • The purge solenoid valve connector
    • The camshaft position (CMP) sensor connector
    • The camshaft position (CMP) sensor ground wire
    • The crankshaft position (CKP) sensor connector
    • The Idle Speed Control (ISC) solenoid valve connector
    • The oxygen sensor connector (HO2S1)
    • The oxygen sensor connector (HO2S2)
    • The four fuel injector connectors
    • The Manifold Absolute Pressure (MAP) sensor connector
    • The power steering (P/S) pump pressure switch (if equipped)
    • The oil pressure switch connector
    • The A/C compressor clutch connector
    • The park/neutral position (PNP) switch connector
    • The ground wire connector from the intake manifold
    • The ignition coil connectors
    • The generator connector
    • The generator B+ wire
    • The starter solenoid connector
    • The positive battery cable from the starter solenoid
    • The backup lamp switch (manual transaxle)
    • The vehicle speed sensor connector
    • Position the negative battery cable on top of the transaxle
    • The direct clutch and the second brake solenoid connector
  12. Release the harness from the clamps and position the harness aside.
  13. Remove the lower canister purge hose from the purge solenoid valve and position aside.
  14. Remove the brake booster hose from the intake manifold.
  15. Remove the following cables:
  16. • The accelerator cable from the throttle body and the intake manifold
    • The clutch cable from the transaxle (manual transaxle equipped vehicles)
    • The shift select cable from the transaxle (automatic transaxle equipped vehicles)
    • The TV cable from the transaxle (automatic transaxle equipped vehicles)
    • The speedometer cable from the transaxle
  17. Remove the inlet and the outlet hoses from the heater core.
  18. Remove the fuel feed and return hoses at the fuel rail.
  19. Install the J 28467-A with the J 28467-89 .
  20. Remove the rear engine mount. Refer to Engine Mount Replacement .
  21. Remove the right side engine mount. Refer to Engine Mount Replacement .
  22. Remove the left transaxle mount. Refer to Transmission Mount Replacement in Manual Transmission/Transaxle.
  23. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  24. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement .
  25. Drain the transaxle fluid. Refer to the following:
  26. •  Fluid Replacement in Manual Transmission/Transaxle.
    •  Automatic Transmission Fluid and Filter Replacement in Automatic Transmission/Transaxle.
  27. Remove the two nuts and the front pipe/catalytic converter assembly from the resonator/center pipe.
  28. Remove the two bolts and the front pipe/catalytic converter assembly from the exhaust manifold.
  29. Remove the hanger supporting the catalytic converter
  30. Remove the front pipe/catalytic converter assembly from the vehicle.
  31. Remove the following components from the transaxle (manual transaxle equipped vehicles):
  32. • The gearshift control shaft. Refer to Gearshift and Select Shaft Assembly Replacement in Manual Transmission/Transaxle.
    • The extension rod. Refer to Gearshift Control Shaft and Extension Rod Replacement in Manual Transmission/Transaxle.
  33. Remove the torque rod (automatic transaxle equipped vehicles). Refer to Engine Mount Replacement .
  34. Important: For engine/transaxle removal, it is not necessary to remove the wheel drive shaft from the steering knuckle.

  35. Remove the left and right wheel drive shafts from the transaxle. Refer to Wheel Drive Shaft Replacement in Wheel Drive Shafts.
  36. Remove the A/C compressor. Refer to Air Conditioning Compressor Replacement in HVAC Systems with A/C - Manual.
  37. Remove the power steering pump (if equipped). Refer to Power Steering Pump Replacement in Power Steering System.
  38. Lower the vehicle carefully until it rests on the J 36295 .
  39. Remove the J 28467-A and the J 28467-89 .
  40. Important: Ensure sufficient clearance on all sides for removal of the engine/transaxle assembly.

  41. Raise the vehicle leaving the engine/transaxle assembly on the table.
  42. Separate the engine from the transaxle.

Installation Procedure

Tools Required

    • J 28467-A Universal Support Fixture
    • J 28467-89 Engine Support Fixture Adaptors (Metro)
    • J 36295 Engine/Transmission Frame Handler
  1. Install the engine to the transaxle.
  2. Important: Ensure sufficient clearance on all sides for fitting the engine/transaxle assembly into the engine compartment.

  3. Lower the vehicle onto the engine/transaxle assembly.
  4. Install the J 28467-A and the J 28467-89 .
  5. Install the left transaxle mount. Refer to Transmission Mount Replacement in Manual Transmission/Transaxle.
  6. Install the right side engine mount. Refer to Engine Mount Replacement .
  7. Install the rear engine mount. Refer to Engine Mount Replacement .
  8. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  9. Install the power steering pump (if equipped). Refer to Power Steering Pump Replacement in Power Steering System.
  10. Install the Air conditioning (A/C) compressor to the compressor bracket. Refer to Air Conditioning Compressor Replacement in HVAC Systems with A/C - Manual.
  11. Install the left and right drive axles to the transaxle. Refer to Wheel Drive Shaft Replacement in Wheel Driveline Shafts.
  12. Install the torque rod. Refer to Engine Mount Replacement .
  13. Install the gearshift control shaft and the extension rod to the transaxle (manual transaxle equipped vehicles). Refer to the following:
  14. • The gearshift control shaft. Refer to Gearshift and Select Shaft Assembly Replacement in Manual Transmission/Transaxle.
    • The extension rod. Refer to Gearshift Control Shaft and Extension Rod Replacement in Manual Transmission/Transaxle.
  15. Install the front pipe/catalytic converter assembly to the vehicle. Support the catalytic converter with the hanger.
  16. Install the front pipe/catalytic converter assembly to the resonator/center pipe; secure with two nuts. Do not fully tighten.
  17. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  18. Install the front pipe/catalytic converter assembly to the exhaust manifold and secure with two bolts.
  19. Tighten

        • Tighten the exhaust manifold-to-front pipe catalytic converter bolts to 50 N·m (37 lb ft).
        • Tighten the resonator/muffler/tail pipe-to-front pipe/catalytic converter nuts to 35 N·m (26 lb ft).
  20. Lower the vehicle.
  21. Remove the J 28467-A and the J 28467-89 .
  22. Install the fuel feed and return hoses to the fuel rail.
  23. Install the heater inlet and the heater outlet hoses to the heater core.
  24. Install the following cables:
  25. • The accelerator cable to the throttle body and the intake manifold
    • The clutch cable to the transaxle (manual transaxle equipped vehicles)
    • The shift select cable to the transaxle (automatic transaxle equipped vehicles)
    • The TV cable to the transaxle (automatic transaxle equipped vehicles)
    • The speedometer cable to the transaxle
  26. Install the lower canister purge hose to the purge solenoid valve.
  27. Install the brake booster hose to the intake manifold.
  28. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging in HVAC Systems with A/C - Manual.
  29. Route the harness and secure the harness in the clamps.
  30. Important: All of the components below are in one wiring harness

  31. Connect the following electrical connections:
  32. • The coolant temperature gauge sensor connector
    • The throttle position sensor connector
    • The purge solenoid valve connector
    • The camshaft position (CMP) sensor connector
    • The camshaft position (CMP) sensor ground wire
    • The crankshaft position (CKP) sensor connector
    • The Idle Speed Control (ISC) solenoid valve connector
    • The oxygen sensor connector (HO2S1)
    • The oxygen sensor connector (HO2S2)
    • The four fuel injector connectors
    • The Manifold Absolute Pressure (MAP) sensor connector
    • The power steering (P/S) pump pressure switch (if equipped)
    • The oil pressure switch connector
    • The A/C compressor clutch connector
    • The park/neutral position (PNP) switch connector
    • The ground wire connector from the intake manifold
    • The ignition coil connectors
    • The generator connector
    • The generator B+ wire
    • The starter solenoid connector
    • The positive battery cable to the starter solenoid
    • The backup lamp switch (manual transaxle)
    • The vehicle speed sensor connector
    • Route the negative battery cable
    • The direct clutch and the second brake solenoid connector
  33. Install the radiator with the cooling fan. Refer to Radiator Replacement in Engine Cooling.
  34. Fill the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.
  35. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls.
  36. Fill transaxle as necessary. Refer to the following:
  37. •  Fluid Replacement in Manual Transmission/Transaxle.
    •  Automatic Transmission Fluid and Filter Replacement in Automatic Transmission/Transaxle.
  38. Fill the engine with engine oil. Refer to Engine Oil and Oil Filter Replacement .
  39. Adjust the clutch pedal free travel (manual transaxle equipped vehicles). Refer to Clutch Pedal Free Travel Adjustment in Clutch.
  40. Adjust the shift select cable (automatic transaxle equipped vehicles). Refer to Range Selector Lever Cable Replacement in Automatic Transmission/Transaxle.
  41. Adjust the TV cable (automatic transaxle equipped vehicles). Refer to Automatic Transmission Throttle Valve Cable Adjustment in Automatic Transmission/Transaxle.
  42. Adjust the accelerator cable free play. Refer to Accelerator Cable Adjustment in Engine Controls.
  43. Install the hood assembly. Refer to Hood Replacement in Body Front End.
  44. Install the positive and the negative battery cables to the battery.
  45. Inspect the vehicle for the following conditions:
  46. • Fuel leaks
    • Water leaks
    • Exhaust gas leaks
  47. Run the engine and inspect the engine oil pressure. Refer to Oil Pressure Diagnosis and Testing .