LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1618 (Engine Mechanical - 4.3L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Engine Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the engine.
    NOTE: Refer to FASTENER NOTICE .
  2. Install the engine mount to engine mount bracket bolts.

    Tighten 

    Tighten the bolts to 65 N.m (48 lb ft).

    Fig 1: Engine Mount To Engine Mount Bracket Bolts
    G02106074Courtesy of GENERAL MOTORS CORP.
  3. Remove the lifting devise and the J 41427 
  4. Apply threadlock GM P/N 12345382, (Canadian P/N 10953489), or equivalent to the threads of the intake manifold lower bolts.
  5. Install the intake manifold bolts.

    Tighten 

    1. 5.1. Tighten the bolts a first pass to 3 N.m (27 lb in).
    2. 5.2. Tighten the bolts a second pass to 12 N.m (106 lb in).
    3. 5.3. Tighten the bolts a final pass to 15 N.m (11 lb ft).
  6. Install one transmission bolt until snug.
  7. Remove the support jack from under the transmission.
  8. Install the thermostat and water outlet. Refer to THERMOSTAT REPLACEMENT (4.3L ENGINE) 
    Fig 2: J 41427 (Engine Lift Brackets)
    G02106075Courtesy of GENERAL MOTORS CORP.
  9. Slide the P/S pump bracket onto the stud.
  10. Install the bolts and the nut for the P/S pump bracket.
  11. Install the P/S pump rear bracket front nut.
  12. Tighten the P/S pump rear bracket nut.

    Tighten 

    Tighten the bolts and nuts to 41 N.m (30 lb ft).

    Fig 3: Power Steering Pump Bracket, Nut & Bolts
    G02106076Courtesy of GENERAL MOTORS CORP.
  13. Connect the power brake booster vacuum hose to the vacuum fitting.
    Fig 4: Power Brake Booster Vacuum Hose & Vacuum Fitting
    G02106077Courtesy of GENERAL MOTORS CORP.
  14. Connect the EVAP canister harness to the purge solenoid valve.
  15. Install the distributor cap. Refer to DISTRIBUTOR .
  16. Install the heater hoses. Refer to HEATER HOSE REPLACEMENT-INLET (LU3)  and HEATER HOSE REPLACEMENT-OUTLET (LU3)  .
    Fig 5: EVAP Canister Harness & Purge Solenoid Valve
    G02106078Courtesy of GENERAL MOTORS CORP.
  17. Position the engine wiring harness.
  18. Install the stud holding the engine wiring harness bracket.
  19. Install the engine wiring harness rear bracket nut at the EVAP canister purge solenoid valve.

    Tighten 

    Tighten the nut to 9 N.m (80 lb in).

    Fig 6: Engine Wiring Harness Rear Bracket & Nut
    G02106079Courtesy of GENERAL MOTORS CORP.
  20. Position the bracket and wiring harness.
  21. Install the junction block bracket bolt.

    Tighten 

    Tighten the bolt to 25 N.m (18 lb ft).

    Fig 7: Junction Block Bracket Bolt
    G02106080Courtesy of GENERAL MOTORS CORP.
  22. Install the engine wiring harness bracket to the studs.
  23. Install the engine wiring harness bracket nuts.

    Tighten 

    Tighten the nuts to 12 N.m (106 lb in).

    Fig 8: Engine Wiring Harness Bracket & Nuts
    G02106081Courtesy of GENERAL MOTORS CORP.
  24. Position the harness ground (4) and ground strap (5).
  25. Install the harness ground bolt.

    Tighten 

    Tighten the bolt to 16 N.m (12 lb ft).

  26. Connect the following electrical connectors:
    • Knock sensor (1)
    • CMP sensor (2)
    • Fuel pump/oil pressure sensor (3)
    • Distributor (2)
      Fig 9: Electrical Connectors, Harness Ground & Ground Strap
      G02106082Courtesy of GENERAL MOTORS CORP.
  27. Install the engine wiring harness ground nut and ground wire (4) to the rear of the right cylinder head.

    Tighten 

    Tighten the nut to 16 N.m (12 lb ft).

  28. Connect the following electrical connectors:
    • Ignition coil (1)
    • Ignition coil driver (2)
    • Generator (3)
    Fig 10: Ground Wire, Ignition Coil, Ignition Coil Drive & Generator Electrical Connectors
    G02106083Courtesy of GENERAL MOTORS CORP.
  29. Connect the following electrical connectors:
    • EVAP canister purge solenoid valve (1)
    • MAP sensor (2)
    Fig 11: EVAP Canister Purge Solenoid Valve & MAP Sensor Electrical Connectors
    G02106084Courtesy of GENERAL MOTORS CORP.
  30. Install the engine wiring harness clip bolt (4).

    Tighten 

    Tighten the bolt to 9 N.m (80 lb in).

  31. Connect the following electrical connectors:
    • TP sensor (1)
    • IAC motor (2)
    • Control port injector module (3)
    • ECT sensor (5)
    Fig 12: Electrical Connectors & Wiring Harness Clip Bolt
    G02106085Courtesy of GENERAL MOTORS CORP.
  32. Install the positive cable and nut to the generator.

    Tighten 

    Tighten the nut to 18 N.m (13 lb ft).

  33. Connect the following electrical connectors:
    • A/C pressure switch (4), if equipped
    • A/C compressor clutch (1), if equipped
  34. If equipped, install the A/C hoses.
    Fig 13: A/C Pressure Switch & A/C Compressor Clutch Electrical Connectors
    G02106086Courtesy of GENERAL MOTORS CORP.
  35. Position the bracket and cables.
  36. Install the accelerator control cable bracket with the cables attached, to the throttle body.
  37. Install the accelerator control cable bracket nuts.

    Tighten 

    Tighten the nuts to 9 N.m (80 lb in).

    Fig 14: Accelerator Control Cable Bracket, Cables & Nuts
    G02106087Courtesy of GENERAL MOTORS CORP.
  38. Install the accelerator cable to the throttle body lever.
    Fig 15: Accelerator Cable & Throttle Body Lever
    G02106088Courtesy of GENERAL MOTORS CORP.
    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.
  39. Install the accelerator cable to the accelerator control cable bracket.
    Fig 16: Accelerator Cable & Accelerator Control Cable Bracket
    G02106089Courtesy of GENERAL MOTORS CORP.
  40. Install the accelerator cable to the throttle body lever.
    Fig 17: Accelerator Cable & Throttle Body Lever
    G02106090Courtesy of GENERAL MOTORS CORP.
  41. If equipped, install the cruise control cable to the accelerator control cable bracket.
  42. If equipped, connect the cruise control cable to the throttle body lever.
    Fig 18: Cruise Control Cable & Accelerator Control Cable Bracket
    G02106091Courtesy of GENERAL MOTORS CORP.
  43. Install the radiator outlet hose to the water pump.
  44. Install the radiator outlet hose to the surge tank.
  45. Position the radiator outlet hose clamps.
    Fig 19: Radiator Outlet Hose
    G02106092Courtesy of GENERAL MOTORS CORP.
  46. Install the radiator inlet hose to the thermostat housing.
  47. Position the radiator inlet hose clamp.
  48. Install the drive belt. Refer to Drive Belt Replacement .
  49. Install the lower fan shroud. Refer to FAN SHROUD REPLACEMENT-LOWER .
  50. Install the fuel pipes/hoses. Refer to FUEL HOSES & PIPES .
    Fig 20: Radiator Inlet Hose
    G02106093Courtesy of GENERAL MOTORS CORP.
  51. Remove the hood hinge bolt from the service position (2).
  52. Lower the hood to the normal position.
  53. Install the hood hinge bolts.

    Tighten 

    Tighten the bolts to 25 N.m (18 lb ft).

  54. Raise the vehicle.
    Fig 21: Remove Hood Hinge Bolt In Service Position
    G02106094Courtesy of GENERAL MOTORS CORP.
  55. Install the transmission bolts

    Tighten 

    Tighten the bolts to 50 N.m (37 lb ft).

  56. If equipped, Install the torque converter bolts.

    Tighten 

    Tighten the bolts to 63 N.m (47 lb ft).

    Fig 22: Torque Converter Bolts
    G02106095Courtesy of GENERAL MOTORS CORP.
  57. Install the ground bolt (3) holding the negative battery cable (6) and ground cable (4) to the engine.
  58. Connect the CKP sensor electrical connector (5) and install the harness to the retainer clip.
  59. Connect the oil level sensor electrical connector (7).
    Fig 23: Ground Bolt, Cable, Negative Battery Cable & CKP Sensor & Oil Level Sensor Electrical Connectors
    G02106096Courtesy of GENERAL MOTORS CORP.
  60. Install the battery cable bracket bolts.

    Tighten 

    Tighten the bolts to 12 N.m (106 lb in).

  61. Install the catalytic converter. Refer to CATALYTIC CONVERTER REPLACEMENT (4.3L, 4.8L AND 5.3L ENGINES) .
    Fig 24: Battery Cable Bracket Bolts
    G02106097Courtesy of GENERAL MOTORS CORP.
  62. Install the positive battery cable clip bolt (2).
    Fig 25: Positive Battery Cable Clip Bolt
    G02106098Courtesy of GENERAL MOTORS CORP.
  63. Install the transmission cover.

    Tighten 

    Tighten the bolts to 12 N.m (106 lb in).

  64. Install the starter. Refer to STARTER MOTOR .
  65. If equipped, install the engine shield. ENGINE PROTECTION SHIELD REPLACEMENT
    Fig 26: Transmission Cover & Bolts
    G02106099Courtesy of GENERAL MOTORS CORP.
  66. If equipped, install the oil pan skid plate and bolts.

    Tighten 

    Tighten the bolts to 20 N.m (1 lb ft).

  67. Lower the vehicle.
  68. Connect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE (SINGLE BATTERY) .
  69. Perform the engine prelube procedure. Refer to Engine Prelubing .
  70. Add engine oil supplement GM P/N 1052367 (Canadian P/N 99869), or equivalent to the engine oil.
  71. Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM .
    Fig 27: Oil Pan Skid Plate & Bolts
    G02106100Courtesy of GENERAL MOTORS CORP.
  72. If equipped, bleed the hydraulic clutch. Refer to HYDRAULIC CLUTCH BLEEDING .
  73. Recharge the A/C system. Refer to REFRIGERANT RECOVERY AND RECHARGING .
    IMPORTANT: After an overhaul, the engine should be tested. Use the following procedure after the engine is installed in the vehicle.
  74. Disable the ignition system.
  75. Crank the engine several times. Listen for any unusual noises or evidence that parts are binding.
  76. Start the engine and listen for unusual noises.
  77. Check the oil pressure gauge or light and confirm that the engine has acceptable oil pressure.
  78. If necessary, install an oil pressure gauge and measure the oil pressure.
  79. Run the engine speed at about 1,000 RPM until the engine has reached normal operating temperature.
  80. Listen for sticking valve lifters, or other unusual noises.
  81. Inspect for fuel, oil, and/or coolant leaks while the engine is running.
  82. Verify that the distributor is properly positioned.
  83. Perform a final inspection for the proper oil and coolant levels.
  84. Close the hood.
scientia non olet · About LEMON Manuals