Positive Crankcase Ventilation Hose/Pipe/Tube Replacement (Air Outlet Duct to PCV Oil Separator)

WARNING: This page is about a different car, the 2023 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

NOTE: Callouts items in the following chart represent components shown in graphic above.

Callout	Component Name
Preliminary Procedure Engine Rear Noise Shield Replacement
1	Positive Crankcase Ventilation Tube CAUTION: The Positive Crankcase Ventilation (PCV) line is tamper resistant and must always be replaced once it is removed. The fittings connected to the PCV line must also be replaced if they are damaged when the PCV line is removed. To reduce the risk of damage to the fittings, use a suitable cutting tool and carefully cut the connections away. Procedure Detach the PCV tube from the air cleaner outlet duct. Air Cleaner Outlet Duct Replacement Detach the PCV tube retainer from the intake manifold. Using a suitable cutting tool, carefully cut the PCV tube away from the PCV oil separator at the rear of the engine. If any damage occurs to the oil separator, it must be replaced. Positive Crankcase Ventilation Oil Separator Replacement

Callout

Component Name

Preliminary Procedure
Engine Rear Noise Shield Replacement

Positive Crankcase Ventilation Tube

CAUTION:

The Positive Crankcase Ventilation (PCV) line is tamper resistant and must always be replaced once it is removed. The fittings connected to the PCV line must also be replaced if they are damaged when the PCV line is removed. To reduce the risk of damage to the fittings, use a suitable cutting tool and carefully cut the connections away.

Procedure

Detach the PCV tube from the air cleaner outlet duct. Air Cleaner Outlet Duct Replacement
Detach the PCV tube retainer from the intake manifold.
Using a suitable cutting tool, carefully cut the PCV tube away from the PCV oil separator at the rear of the engine. If any damage occurs to the oil separator, it must be replaced. Positive Crankcase Ventilation Oil Separator Replacement