GMC Workshop Service and Repair Manuals

Evaporative Emissions Hose: Service and Repair
Evaporative Emission System Hose/Pipe Replacement (15 Reg/Ext/Crew Cab w/34 Gal Tank)

Evaporative Emission System Hose/Pipe Replacement (15 Reg/Ext/Crew Cab w/34 gal Tank)

Removal Procedure

Note:  Clean all fuel and evaporative emission (EVAP) line connections and surrounding areas prior to disconnecting the lines in order to avoid possible
fuel and/or EVAP system contamination.

1. Remove the fuel tank. Refer to Fuel Tank Replacement (15 Rec Cab With 26 Gal Tank)   (See: Fuel Delivery and Air Induction/Fuel Tank/Service

and Repair/Removal and Replacement/Fuel Tank Replacement (15 Rec Cab With 26 Gal Tank))Fuel Tank Replacement (15 Ext/Crew Cab With
26 Gal Tank)   (See: Fuel Delivery and Air Induction/Fuel Tank/Service and Repair/Removal and Replacement/Fuel Tank Replacement (15
Ext/Crew Cab With 26 Gal Tank))Fuel Tank Replacement (15 Reg/Ext/Crew Cab w/34 Gal Tank)   (See: Fuel Delivery and Air Induction/Fuel
Tank/Service and Repair/Removal and Replacement/Fuel Tank Replacement (15 Reg/Ext/Crew Cab w/34 Gal Tank))Fuel Tank Replacement
(Cab/Chassis - Rear)   (See: Fuel Delivery and Air Induction/Fuel Tank/Service and Repair/Removal and Replacement/Fuel Tank Replacement
(Cab/Chassis - Rear))Fuel Tank Replacement (Cab/Chassis - Front)   (See: Fuel Delivery and Air Induction/Fuel Tank/Service and
Repair/Removal and Replacement/Fuel Tank Replacement (Cab/Chassis - Front))Fuel Tank Replacement (35 Reg/Ext/Crew Cab With 34 Gal
Tank)   (See: Fuel Delivery and Air Induction/Fuel Tank/Service and Repair/Removal and Replacement/Fuel Tank Replacement (35
Reg/Ext/Crew Cab With 34 Gal Tank))Fuel Tank Replacement (15/25 Reg/Ext/Crw Cab With 34 Gal Tnk)   (See: Fuel Delivery and Air
Induction/Fuel Tank/Service and Repair/Removal and Replacement/Fuel Tank Replacement (15/25 Reg/Ext/Crw Cab With 34 Gal Tank))Fuel
Tank Replacement (25 Ext/Crew Cab With 26 Gal Tank)   (See: Fuel Delivery and Air Induction/Fuel Tank/Service and Repair/Removal and
Replacement/Fuel Tank Replacement (25 Ext/Crew Cab With 26 Gal Tank)).

2. Remove the EVAP pipe from the fuel tank clips (1).