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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 >> Valve Rocker Arm Cover Replacement - Left Side >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban, and 2018 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the oil indicator tube. Refer to Oil Level Indicator Tube Replacement .
  2. Remove the left side PCV hose/pipe. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement (Left Side - L83, L86) Positive Crankcase Ventilation Hose/Pipe/Tube Replacement (Right Side - L83, L86) Positive Crankcase Ventilation Hose/Pipe/Tube Replacement (Center - L83) Positive Crankcase Ventilation Hose/Pipe/Tube Replacement (Center - L86) .
  3. Remove the ignition coils. Refer to Ignition Coil Replacement .
    4. Fig 1: Valve Rocker Arm Cover Bolts
    GM3270861Courtesy of GENERAL MOTORS COMPANY
  4. Remove the valve rocker arm cover bolts (1).
    5. Fig 2: Valve Rocker Arm Cover And Valve Rocker Arm Gasket
    GM3271043Courtesy of GENERAL MOTORS COMPANY
  5. Remove the valve rocker arm cover (1).
  6. Remove and DISCARD valve rocker arm gasket (2). Refer to Replacing Engine Gaskets .
  7. Clean and inspect the rocker arm cover. Refer to Valve Rocker Arm Cover Cleaning and Inspection .
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