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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 432 (Engine Mechanical - 2.2L (On-Vehicle)) >> Repair Instructions >> Engine Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 GMC Sonoma and 2002 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE .
  2. Remove the hood. Refer to HOOD REPLACEMENT .
  3. If the vehicle is equipped with a manual transmission, remove the shift tower. Refer to SHIFT TOWER REPLACEMENT .
  4. Raise and support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE .
  5. Disconnect the exhaust pipe from the exhaust manifold. Refer to EXHAUST MANIFOLD PIPE REPLACEMENT .
  6. Remove the oil filter drain deflector from the brace rod, if equipped.
  7. Remove the starter motor. Refer to STARTER MOTOR .
    Fig 1: Oil Filter Drain Deflector
    G01658951Courtesy of GENERAL MOTORS CORP.
  8. Remove the transmission.
  9. Disconnect the oxygen sensor electrical connector. Refer to OXYGEN SENSORS .
  10. Remove the right fender wheelhouse extension. Refer to WHEELHOUSE EXTENSION REPLACEMENT .
  11. Working through the wheelhouse opening, remove the generator rear brace using the following procedure:
    1. 11.1. Remove the bolt from the rear of the generator.
    2. 11.2. Remove two nuts holding the brace to the engine.
    3. 11.3. Remove the brace from the engine.
    Fig 2: Generator Rear Brace, Nuts & Bolt
    G01658952Courtesy of GENERAL MOTORS CORP.
  12. Remove the bolt holding the battery negative cable (2) to the engine.
  13. Remove the bolt holding the ground wires (1) to the engine.
  14. Disconnect the following electrical connectors:
    • Engine oil pressure gauge sensor (6)
    • Camshaft position (CMP) sensor (5)
    • Crankshaft position (CKP) sensor (3)
    • Knock (KS) sensor (4)
    Fig 3: Battery Negative Cable, Ground Wires & Sensor Electrical Connectors
    G01658953Courtesy of GENERAL MOTORS CORP.
  15. Disconnect both ignition control module (ICM) electrical connectors (2).
  16. Disconnect the EVAP purge canister solenoid valve electrical connector.
  17. Lower the vehicle.
    Fig 4: ICM Electrical Connectors & EVAP Purge Canister Solenoid Valve Electrical Connector
    G01658954Courtesy of GENERAL MOTORS CORP.
  18. Remove the bolt holding the EVAP emission canister purge harness and if equipped the automatic transmission fluid fill tube to the intake manifold.
  19. Remove the nut holding the engine wiring harness clip to the intake manifold.
  20. Remove the nut holding the engine wiring harness clip to the intake manifold rear lower stud.
  21. Remove the air intake duct.
  22. Remove the radiator. Refer to RADIATOR REPLACEMENT (2.2 L) or RADIATOR REPLACEMENT (4.3 L) .
    Fig 5: EVAP Emission Canister Purge Harness & Nuts
    G01658955Courtesy of GENERAL MOTORS CORP.
  23. Remove the drive belt. Refer to Drive Belt Replacement .

    Important:  Do not evacuate the A/C system.

  24. Remove the air conditioning compressor, if equipped, and set it aside. Refer to COMPRESSOR .
  25. Remove the power steering pump and set it aside. Refer to POWER STEERING PUMP REPLACEMENT (2.2L) or POWER STEERING PUMP REPLACEMENT (4.3L) .
  26. Disconnect both heater hoses from the heater core.
  27. Disconnect the heating and air conditioning control vacuum source hose.
  28. Disconnect the EVAP emission purge tube from the throttle body.
    CAUTION: In order to avoid possible injury or vehicle damage, always replace the accelerator control cable with a NEW cable whenever you remove the engine from the vehicle.
    In order to avoid cruise control cable damage, position the cable out of the way while you remove or Install the engine. Do not pry or lean against the cruise control cable and do not kink the cable. You must replace a damaged cable.
  29. Remove the accelerator control cable.
    Fig 6: Heating & Air Conditioning Control Vacuum Source Hose And EVAP Emission Purge Tube
    G01658956Courtesy of GENERAL MOTORS CORP.
  30. Disconnect the cruise control cable from the throttle shaft. Refer to CRUISE CONTROL CABLE REPLACEMENT (4.3L) or CRUISE CONTROL CABLE REPLACEMENT (2.2L) .
  31. Remove the battery positive cable cover from the underhood fuse block.
    Fig 7: Battery Positive Cable Cover
    G01658957Courtesy of GENERAL MOTORS CORP.
  32. Remove the battery positive cable bolt.
  33. Remove the battery positive cable.
  34. Disconnect the engine coolant heater, if equipped. Refer to COOLANT HEATER REPLACEMENT (2.2 L) or COOLANT HEATER REPLACEMENT (4.3 L) .
  35. Disconnect the electrical connections from the generator. Refer to GENERATOR .
    Fig 8: Battery Positive Cable Bolt
    G01658958Courtesy of GENERAL MOTORS CORP.
  36. Disconnect the following electrical connectors from the top of the engine:
    • Engine coolant temperature (ECT) sensor (3)
    • Idle air control (IAC) motor (1)
    • Manifold absolute pressure (MAP) sensor (4)
    • Throttle position (TP) sensor (2)
    Fig 9: ECT Sensor, IAC Motor, MAP Sensor & TP Sensor Electrical Connectors
    G01658959Courtesy of GENERAL MOTORS CORP.
  37. Disconnect the fuel injector harness electrical connector.
  38. Remove the fuel injector harness electrical connector from the bracket on the valve rocker arm cover.
  39. Remove the engine wiring harness from the bracket.
  40. Move and secure the engine wiring harness out of the way.
  41. Disconnect the fuel hoses.
    Fig 10: Fuel Injector Harness Electrical Connector
    G01658960Courtesy of GENERAL MOTORS CORP.
  42. Disconnect the electrical connection from the generator.
  43. Disconnect the generator output wire from the generator.
  44. Move the engine wiring harnesses aside.
    Fig 11: Generator Electrical Connection & Output Wire
    G01658961Courtesy of GENERAL MOTORS CORP.
  45. Install a suitable engine lifting device to the engine lift brackets.
  46. Raise the engine to release tension on the engine mount through bolt.
    Fig 12: Engine Lifting Device
    G01658962Courtesy of GENERAL MOTORS CORP.
  47. Remove the left side engine mount through-bolt.
    Fig 13: Left Side Engine Mount Through-Bolt
    G01658963Courtesy of GENERAL MOTORS CORP.
  48. Remove the right side engine mount through-bolt.
  49. Remove the engine from the vehicle.
    Fig 14: Right Side Engine Mount Through-Bolt
    G01658964Courtesy of GENERAL MOTORS CORP.
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