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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1220 (Engine Mechanical - 3.1L (On-Vehicle)) >> Repair Instructions >> Engine Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the ignition control module. Refer to IGNITION COILS .
  2. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement .
  3. Install the engine mount bracket. Refer to Engine Mount Strut Replacement .
  4. Install the generator and the generator bracket. Refer to GENERATOR .
  5. Remove the engine from the engine stand.
  6. Install the flywheel. Refer to Engine Flywheel Replacement .
  7. Install the engine to the vehicle.
    NOTE: Refer to FASTENER NOTICE .
    Fig 1: Upper Transaxle To Engine Bolts
    G01702728Courtesy of GENERAL MOTORS CORP.
  8. Install the upper transaxle-to-engine bolts (3,4,5) and stud (2).

    Tighten 

    Tighten the bolts (3,4,5) and the stud (2) to 75 N.m (55 lb ft).

  9. Remove the engine lifting device.
  10. Install the power steering pump. Refer to POWER STEERING PUMP REPLACEMENT (3.8L) or POWER STEERING PUMP REPLACEMENT (3.1 L) .
  11. Install the radiator inlet hose to the engine. Refer to RADIATOR HOSE REPLACEMENT - INLET (3.1 L) or RADIATOR HOSE REPLACEMENT - INLET (3.8L) .
  12. Install the fuel lines to the fuel rail. Refer to FUEL LINE DISCONNECT FITTINGS .
  13. Install the brake booster vacuum hose to the upper intake manifold.
  14. Install the vacuum hoses to the upper intake manifold.
  15. Install the heater inlet and outlet hoses to the engine.
  16. Install the accelerator control and the cruise control cable with the bracket to the throttle body.
  17. Raise the vehicle and remove the transaxle support.
  18. Install the radiator outlet hose to the engine. Refer to RADIATOR HOSE REPLACEMENT - OUTLET (3.1 L) or RADIATOR HOSE REPLACEMENT - OUTLET (3.8L) .
  19. Install the lower transaxle-to-engine bolt (6) and stud (1).

    Tighten 

    Tighten the bolt (6) and the stud (1) to 75 N.m (55 lb ft).

  20. Install the transaxle brace. Refer to TRANSAXLE BRACE .
  21. Install the torque converter bolts.
  22. Install the A/C compressor. Refer to COMPRESSOR REPLACEMENT (3.1 L) or COMPRESSOR REPLACEMENT (3.8L) .
  23. Install the starter motor. Refer to STARTER MOTOR .
  24. Install the torque converter covers.
  25. Install the engine mount lower nuts.

    Tighten 

    Tighten the nuts to 43 N.m (32 lb ft).

  26. Install the engine wiring harness grounds to the transaxle.
  27. Install the engine wiring harness ground nut to the transaxle stud.

    Tighten 

    Tighten the nut to 35 N.m (26 lb ft).

  28. Install the 3-way catalytic converter pipe to the right exhaust manifold. Refer to CATALYTIC CONVERTER REPLACEMENT (3.1L) or CATALYTIC CONVERTER REPLACEMENT (3.8L) .
  29. Lower the vehicle.
  30. Connect the following electrical connectors:
    • Body wiring harness-to-engine harness
    • Ignition coil
    • Idle air control (IAC) valve
      Fig 2: Engine Mount Lower Nuts
      G01702729Courtesy of GENERAL MOTORS CORP.
    • Throttle position (TP) sensor
    • Evaporative emissions (EVAP) canister purge solenoid
    • Exhaust gas recirculation (EGR) valve
    • Manifold absolute pressure (MAP) sensor
    • Heated oxygen (HO2S) sensor
    • Crankshaft position (CKP) sensor
    • Camshaft position (CMP) sensor
    • Knock sensor
  31. Install the drive belt. Refer to Drive Belt Replacement .
  32. Install the engine mount struts. Refer to Engine Mount Strut Replacement .
  33. Install the hood. Refer to HOOD REPLACEMENT .
  34. Install the air cleaner assembly and throttle body air inlet duct. Refer to AIR CLEANER ASSEMBLY .
  35. Connect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE .
  36. Fill the crankcase with engine oil. Refer to Engine Oil and Oil Filter Replacement .
  37. Fill cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM .
  38. Check and fill the power steering system as necessary. Refer to CHECKING AND ADDING POWER STEERING FLUID .
  39. Perform a CKP system variation learn procedure. Refer to CKP SYSTEM VARIATION LEARN PROCEDURE .
  40. Inspect for leaks.