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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1290 (Engine Mechanical - 1.8L (LV6)) >> Repair Instructions >> On-Vehicle Repair Instructions >> Engine Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Refer to BATTERY DISCONNECT CAUTION .
  1. Disconnect the negative battery cable.
  2. From inside the vehicle, disconnect the 2 ECM connectors.
  3. Disconnect the 2 cowl wire electrical connectors from the connector mounting bracket.
  4. Pull the engine harness wire from the passenger compartment.
  5. Remove the 2 engine cover fasteners.
  6. Remove the 2 engine cover plastic retainers.
  7. Remove the engine cover (1) from the engine.
    Fig 1: Removing Engine Cover
    G01546819Courtesy of GENERAL MOTORS CORP.
  8. Relieve the fuel pressure. Refer to FUEL SYSTEM PRESSURE RELEASE .
  9. Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
  10. Drain the engine oil.
  11. Remove the serpentine drive belt. Refer to DRIVE BELT REPLACEMENT .
  12. If vehicle is equipped with A/C, remove the A/C compressor bolts and set A/C compressor aside. Refer to COMPRESSOR REPLACEMENT in Heating, Ventilation, and Air Conditioning.
  13. If vehicle is equipped with a manual transmission, remove the following components:
  14. Remove the accelerator cable from the throttle body (1).
    Fig 2: Removing Air Cleaner Hose And Cap Assembly
    G01546820Courtesy of GENERAL MOTORS CORP.
  15. Remove the accelerator cable bracket from the throttle body.
  16. Disconnect the intake air temperature (IAT) sensor.
  17. Remove the air cleaner hose and cap assembly as follows:
    • Disconnect the mass air flow sensor connector.
    • Disconnect three vacuum hoses from the air cleaner.
    • Disconnect the air intake hoses from the throttle body.
    • Unclip and remove the air cleaner cap.
  18. Remove the air filter.
  19. Disconnect the wire harness retaining clip from the air cleaner lower case.
  20. Remove the following items from the air cleaner case:
    • The 1 bolt
    • The vacuum switching valve (VSV) bracket
  21. Remove the following items:
    • The 3 bolts
    • The air cleaner lower box (3)
      • Fig 3: Removing Air Cleaner Lower Box
      G01546821Courtesy of GENERAL MOTORS CORP.
  22. Disconnect the cruise control actuator electrical connector.
  23. Remove the fuel line hose clamp.
  24. Disconnect the fuel hose from the fuel line. Refer to FUEL RAILS & FUEL INJECTORS .
  25. Disconnect the heater hose from the water by-pass pipe.
  26. Disconnect the heater hose from the water hose union on the cylinder head.
  27. Disconnect the brake booster vacuum hose from the brake booster.
  28. Remove the radiator outlet hose. Refer to RADIATOR HOSE REPLACEMENT - OUTLET in Engine Cooling.
  29. Remove the radiator inlet hose. Refer to RADIATOR HOSE REPLACEMENT - INLET in Engine Cooling.
  30. Remove the generator. Refer to GENERATOR .
  31. Remove the radiator. Refer to RADIATOR REPLACEMENT in Engine Cooling.
  32. Remove the engine relay box cover.
  33. Disconnect the 3 engine compartment relay box connectors (1,2.3).
    Fig 4: Disconnecting Engine Compartment Relay Box Connectors
    G01546822Courtesy of GENERAL MOTORS CORP.
  34. Disconnect 2 ground cables (1,2) from front left side of engine compartment.
    Fig 5: Disconnecting Ground Cables From Front Left Side Of Engine Compartment
    G01546823Courtesy of GENERAL MOTORS CORP.
  35. Disconnect the 2 wire harness clamps.
    Fig 6: Disconnecting Wire Harness Clamps
    G01546824Courtesy of GENERAL MOTORS CORP.
  36. If equipped with manual transaxle, disconnect the clutch actuator cylinder. Refer to CLUTCH ACTUATOR CYLINDER REPLACEMENT in Clutch.
  37. Disconnect the transaxle control cables from the transaxle.
    1. 37.1 Unclip the cable (1) from the mounting bracket.
    2. 37.2 Disconnect the transaxle control cables (2) from the transaxle.
    Fig 7: Disconnecting Transaxle Control Cables
    G01546825Courtesy of GENERAL MOTORS CORP.
  38. If equipped with automatic transaxle, remove the shift cable from the transaxle.
    1. 38.1 Unclip the cable from the mounting bracket.
    2. 38.2 Remove the shift cable nut.
    Fig 8: Removing Shift Cable From Transaxle
    G01546826Courtesy of GENERAL MOTORS CORP.
  39. Unclip the wire harness (1), then remove the shift cable mounting bracket bolt (2).
    Fig 9: Unclipping Wire Harness And Removing Shift Cable Mounting Bracket Bolt
    G01546827Courtesy of GENERAL MOTORS CORP.
  40. Disconnect the oil cooler hoses.
  41. On all models, remove the front drive axle. Refer to AXLE SHAFT in Wheel Drive Shafts.
  42. If equipped with AWD, remove the propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT - TWO PIECE in Propeller Shaft.
  43. Raise and properly support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE .
  44. Remove the right engine splash shield. Refer to SPLASH SHIELD REPLACEMENT - ENGINE - RIGHT in Body Front End.
  45. Remove left engine splash shield. Refer to SPLASH SHIELD REPLACEMENT - ENGINE - LEFT in Body Front End.
  46. Place a drain pan, then disconnect the power steering lines (1) and drain the power steering system.
    Fig 10: Disconnecting Power Steering Lines
    G01546828Courtesy of GENERAL MOTORS CORP.
  47. Remove the front exhaust pipe. Refer to FRONT PIPE REPLACEMENT in Engine Exhaust.
  48. Disconnect the steering intermediate shaft assembly from under the dash panel. Refer to INTERMEDIATE STEERING SHAFT REPLACEMENT (FWD) in Steering Wheel and Column.
  49. Remove the right and left side driveshaft locknut.
  50. Separate the left and right side tie rod end.
  51. Disconnect the front stabilizer link assembly from the strut.
  52. Remove three lower ball joint-to-control arm assembly nuts. Refer to LOWER BALL JOINT REPLACEMENT in Front Suspension.
  53. Set the engine lift, then remove the left side mounting insulator bolt and nut.
    Fig 11: Removing Left Side Mounting Insulator Bolt And Nut
    G01546829Courtesy of GENERAL MOTORS CORP.
  54. Remove the 1 bolt and 2 nuts from the right side engine mount.
    Fig 12: Removing Bolt And Nuts From Right Side Engine Mount
    G01546830Courtesy of GENERAL MOTORS CORP.
  55. Remove the 6 crossmember bolts.
  56. Lower the engine and transaxle assembly.
    Fig 13: Removing Crossmember Bolts
    G01546831Courtesy of GENERAL MOTORS CORP.
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