Positive Crankcase Ventilation Hose/Pipe/Tube Replacement (Center - L86)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2019 GMC Yukon XL, 2019 GMC Yukon, 2019 Chevrolet Tahoe, 2019 Chevrolet Suburban, and 2019 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedures Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement (Chevrolet and GMC) , or Air Cleaner Outlet Duct Replacement (Cadillac) . Disconnect the evaporative emissions canister purge valve tube from the valve and position aside. Refer to Evaporative Emission Canister Purge Tube Replacement .
1	Positive Crankcase Ventilation Tube Procedure Disconnect the tube from the PCV valve and intake manifold. Refer to Plastic Collar Quick Connect Fitting Service .

Callout

Component Name

Preliminary Procedures

Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement (Chevrolet and GMC) , or Air Cleaner Outlet Duct Replacement (Cadillac) .
Disconnect the evaporative emissions canister purge valve tube from the valve and position aside. Refer to Evaporative Emission Canister Purge Tube Replacement .

Positive Crankcase Ventilation Tube
Procedure
Disconnect the tube from the PCV valve and intake manifold. Refer to Plastic Collar Quick Connect Fitting Service .