cadillac Workshop Repair Guides

Cadillac Workshop Service and Repair Manuals

Evaporative Emission System Hose/Pipe Replacement (2500 LWB - Intermediate)|Page 4836 > < Evaporative Emission System Hose/Pipe Replacement (2500 LWB - Intermediate)|Page 4834
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Evaporative Emission Line - Engine

Evaporative Emission Line Replacement - Engine

Removal Procedure

Important: Clean all evaporative emission (EVAP) line connections and surrounding areas prior to disconnecting the fittings in order to avoid
possible system contamination.

1. Remove the upper intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement   (See: Engine, Cooling and

Exhaust/Engine/Intake Manifold/Service and Repair/Upper Intake Manifold Sight Shield Replacement).

2. Disconnect the EVAP line quick connect fitting at the intake manifold. Refer to Plastic Collar Quick Connect Fitting Service   (See: Fuel Delivery

and Air Induction/Fuel Line Coupler/Service and Repair/Plastic Collar Quick Connect Fitting Service).

3. Disconnect the EVAP line quick connect fitting at the EVAP canister purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service   (See:

Fuel Delivery and Air Induction/Fuel Line Coupler/Service and Repair/Plastic Collar Quick Connect Fitting Service).

Installation Procedure

Evaporative Emission System Hose/Pipe Replacement (2500 LWB - Intermediate)|Page 4836 > < Evaporative Emission System Hose/Pipe Replacement (2500 LWB - Intermediate)|Page 4834