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Home >> Chevrolet >> 2018 >> Suburban 3500 HD LT >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Engine Mechanical - 5.3L (L83) Or 6.2L (L86) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Cylinder Head Replacement - Right Side >> Installation Procedure

Installation Procedure

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  1. For cylinder head assemble. Refer to Cylinder Head Assemble .
  2. Clean any debris or residual fastener thread sealant from the engine block cylinder head bolt holes to ensure proper torque or clamp load.
  3. Fig 1: Cylinder Head, Bolts and Gasket
    GM3273430Courtesy of GENERAL MOTORS COMPANY
  4. Install a NEW cylinder head gasket (3).
  5. Install cylinder head (2).
  6. Hand start cylinder head bolts (1).
  7. Fig 2: Tightening Cylinder Head Bolts In Sequence
    GM3273250Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  8. Tighten cylinder head bolts in sequence.
    1. First Pass tighten to 80 N.m (59 lb ft)
    2. Second pass tighten + 90°
    3. Final pass tighten + 60°
  9. Connect electrical connectors as necessary.
  10. Install the valve rocker arms and push rods. Refer to Valve Rocker Arm and Push Rod Replacement .
  11. Install the ground wire and bolt at the rear of the cylinder head. Tighten the bolt to.15 N.m (11 lb ft)
  12. Install the exhaust manifold. Refer to Exhaust Manifold Replacement - Right Side (L83, L86) .
  13. Install generator bracket. Refer to Generator Bracket Replacement (L83, L86) .
  14. Install the fuel injector rail. Refer to Fuel Injection Fuel Rail Assembly Replacement - Bank 2 .
  15. Refill the coolant system. Refer to Cooling System Draining and Filling (Vac N Fill L83 L86)Cooling System Draining and Filling (Static Fill L83 L86) .