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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 Insulator Replacement - Left Side

Valve Rocker Arm Cover Insulator Replacement - Left Side

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.
Fig 1: Valve Rocker Arm Cover Insulator - Left Side
GM3270254Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedures

  1. Remove the left side positive crankcase ventilation tube. 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) .
  2. Remove the oil filler cap.
1 Valve Rocker Arm Cover Insulator
Procedure 
Grasp the valve rocker arm cover insulator and lift up disengaging the grommets from the studs.
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