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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1443 (Engine Mechanical - 4.2L (Ll8)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Engine Block Plug Installation

Engine Block Plug Installation

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    Fig 1: View Of Oil Gallery Plug From Rear Of Block
    GM715591Courtesy of GENERAL MOTORS CORP.
  1. Add sealer GM P/N United States 12346004, GM P/N Canada 10953480 to the plug threads.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the engine block oil gallery plug to rear of block.

    Tighten:  Tighten the engine block oil gallery plug to 80 N.m (40 lb ft).

    3. Fig 2: Installing Engine Block Oil Gallery Plugs Into Front & Left Of Block
    GM764315Courtesy of GENERAL MOTORS CORP.
  3. Add sealer GM P/N United States 12346004, GM P/N Canada 10953480 to the plug threads.
  4. Install the engine block oil gallery plugs to front and left of block.

    Tighten: 

    • Tighten the side engine block oil gallery plugs to 35 N.m (26 lb ft).
    • Tighten the front (1) engine block oil gallery plug to 80 N.m (40 lb ft).

    5. Fig 3: View Of Coolant Temperature Sensor
    GM748319Courtesy of GENERAL MOTORS CORP.
  5. Add sealer GM P/N United States 12346004, GM P/N Canada 10953480 to the coolant temperature sensor threads.
  6. Install the coolant temperature sensor.

    Tighten:  Tighten the coolant temperature sensor to 20 N.m (15 lb ft).

    7. Fig 4: View Of EVAP Solenoid
    GM637591Courtesy of GENERAL MOTORS CORP.
  7. Add sealer GM P/N United States 12346004, GM P/N Canada 10953480 to the EVAP solenoid bolt threads.

    Tighten:  Tighten the EVAP solenoid bolt to 10 N.m (89 lb in).

    8. Fig 5: View Of Knock Sensors
    GM637594Courtesy of GENERAL MOTORS CORP.
  8. Install the knock sensors.

    Tighten:  Tighten the knock sensors to 25 N.m (18 lb ft).

    9. Fig 6: View Of Crankshaft Position Sensor
    GM637595Courtesy of GENERAL MOTORS CORP.
  9. Add sealer GM P/N United States 12346004, GM P/N Canada 10953480 to the crankshaft position sensor bolt.
  10. Install the crankshaft position sensor and bolt.

    Tighten:  Tighten the crankshaft position sensor bolt to 10 N.m (89 lb in).

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