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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 - Right 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 air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement (Chevrolet and GMC)Air Cleaner Outlet Duct Replacement (Cadillac) .
  2. Detach the heater inlet and outlet hose bracket retainer and reposition the bracket.
  3. Remove the ignition coils. Refer to Ignition Coil Replacement .
    4. Fig 1: Valve Rocker Arm Cover Bolts
    GM3271174Courtesy of GENERAL MOTORS COMPANY
  4. Remove the valve rocker arm cover bolts (1).
    5. Fig 2: Valve Rocker Arm Cover
    GM3271235Courtesy 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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