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Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 2.0L (LSY)) >> Repair Instructions >> Camshaft Carrier Overhaul >> Assemble Procedure

Assemble Procedure

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  1. GM5020886Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Coat all bearing surfaces with engine oil.

    Exhaust Camshaft (1) - Install

  2. Intake Camshaft (2) - Install
  3. Camshaft Cover Opening Plug (3) Not serviceable
  4. GM5020896Courtesy of GENERAL MOTORS COMPANY

    Ensure that the camshaft notch at the front of the camshaft is in the 6 o'clock position.

  5. GM5020884Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Coat all bearing surfaces with engine oil.

    Camshaft Bearing Cap (1, 2, 3) - Install [3x]

  6. GM5020898Courtesy of GENERAL MOTORS COMPANY

    Camshaft Bearing Cap Bolt (1) - Install and hand tighten [26x]

  7. Fig 1: Identifying Camshaft Bearing Cap Bolts With Tightening Sequence
    GM5020900Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Camshaft Bearing Cap Bolt - Tighten in sequence [26x]

    1. First Pass: 8 N.m (71 lb in)
    2. Second Pass: Loosen bolts 60 degrees, use the EN-45059  Angle Meter
    3. Final Pass: 15 N.m (11 lb ft)
  8. GM5020883Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Tamper Proof Positive Crankcase Ventilation (PCV) Valve - Fresh Air: Do not attempt to remove the PCV valve by prying or twisting the PCV valve to separate the valve from the mating cover or component. Prying or twisting the PCV valve will result in fracture of one or more valve retention tabs which can fall into the engine resulting in internal engine damage. Remove the PCV valve mating cover or component from the engine before attempting to remove the PCV valve.

    Positive Crankcase Ventilation Valve (4)

    NOTE:

    Use care around the positive crankcase ventilation valve to ensure you do not break the 3 tabs that hold it to the camshaft carrier.

  9. Camshaft Position Sensor Seal (3) - Install NEW
  10. Camshaft Position Sensor (2) - Install [6x]
  11. Camshaft Position Sensor Bolt (1) - Install and tighten [6x] 8.5 N.m (75 lb in)
  12. GM5020880Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Coat the camshaft position actuator seal with a bit engine oil.

    Camshaft Position Actuator Seal (3) - Install NEW [6x]

  13. Camshaft Position Actuator (2) - Install [6x]
  14. Camshaft Position Actuator Bolt (1) - Install and tighten [12x] 8.5 N.m (75 lb in)
  15. GM5149787Courtesy of GENERAL MOTORS COMPANY

    Install - EN-52462-A  Camshaft Tool

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