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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 >> Positive Crankcase Ventilation Valve Replacement

Positive Crankcase Ventilation Valve Replacement

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: Positive Crankcase Ventilation Valve
GM3277097Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedures

  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement (Chevrolet and GMC)Air Cleaner Outlet Duct Replacement (Cadillac) .
  2. Remove the center PCV Hose. 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) .
1 Positive Crankcase Ventilation Valve
CAUTION:

Refer to Component Fastener Tightening Caution .


Tighten 
6 N.m (53 lb in)
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