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Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 1.2L (LIH)) >> Repair Instructions >> Engine Block Disassemble

Engine Block Disassemble

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  1. Fig 1: Exploded View Of Engine Block Disassemble Components (1 Of 2)
    GM5387615Courtesy of GENERAL MOTORS COMPANY

    Cylinder Head Locating Pin (1) - Remove [2x]

  2. Engine Block Oil Gallery Plug (3, 6) - Remove [3x]
  3. Engine Front Cover Locating Pin (2, 4) - Remove [2x]
  4. Engine Block Oil Gallery Plug (5) - Remove [3x]
  5. Bolt (7) - Remove
  6. Engine Coolant Heater (8) - Remove
  7. Fig 2: Exploded View Of Engine Block Disassemble Components (2 Of 2)
    GM5387616Courtesy of GENERAL MOTORS COMPANY

    Engine Oil Pressure Sensor (1) - Remove

  8. Seal (2) @ Engine Oil Pressure Sensor - Remove and DISCARD
  9. Engine Block Oil Gallery Plug (4) - Remove [2x]
  10. Transmission Locating Pin (3, 6) - Remove [2x]
  11. Crankshaft Rear Oil Seal Housing Locating Pin (5) - Remove [2x]
  12. Starter Locating Pin (7) - Remove [2x]
  13. Knock Sensor Bolt (8) - Remove
  14. Knock Sensor (9) - Remove
  15. GM5282941Courtesy of GENERAL MOTORS COMPANY

    Piston Oil Nozzle Bolt (1) - Remove [3x]

  16. Piston Oil Nozzle (2) - Remove [3x]
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