Evaporative Emission System Hoses/Pipes Replacement Pickup and Cab/Chassis

Important: Clean the evaporative emission (EVAP) pipe connections and surrounding area prior to disconnecting the fittings in order to avoid possible fuel system contamination.

1. Remove the fuel tank. Refer to Fuel Tank Replacement .
2. Disconnect and remove the EVAP purge line (2) from the sending unit and retaining clips. Refer to Plastic Collar Quick Connect Fitting Service .
3. Disconnect and remove the EVAP fuel level vent valve (FLVV) line (3) from the sending unit and retaining clips. Refer to Plastic Collar Quick Connect Fitting Service .
4. Cap the fuel feed and EVAP openings in order to prevent possible fuel/EVAP system contamination.

1. Remove the caps from the fuel feed and EVAP lines.
2. Install and connect the EVAP FLVV line (3) line to the sending unit and retaining clips. Refer to Plastic Collar Quick Connect Fitting Service .
3. Install and connect the EVAP purge line (2) to the sending unit and retaining clips. Refer to Plastic Collar Quick Connect Fitting Service .
4. Install the fuel tank. Refer to Fuel Tank Replacement .

Evaporative Emission System Hoses/Pipes Replacement Pickup - 5.3L (L59) Engine

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

1. Remove the fuel tank. Refer to Fuel Tank Replacement .
2. Disconnect and remove the EVAP line (1) from the roll over valve, sending unit and retaining clips. Refer to Plastic Collar Quick Connect Fitting Service .
3. Cap the fuel feed/return, and EVAP lines in order to prevent possible fuel/EVAP system contamination.

1. Remove the caps from the fuel feed/return, and EVAP lines.
2. Install and connect the EVAP line (1) to the roll over valve, sending unit and retaining clips. Refer to Plastic Collar Quick Connect Fitting Service .
3. Install the fuel tank. Refer to Fuel Tank Replacement .

Evaporative Emission System Hoses/Pipes Replacement 1500 Crew Cab

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

1. Remove the fuel tank. Refer to Fuel Tank Replacement .
2. Disconnect and remove the EVAP rear line (2) from the sending unit and retaining clips. Refer to Plastic Collar Quick Connect Fitting Service .
3. Disconnect and remove the EVAP line (3) from the sending unit and retaining clips. Refer to Plastic Collar Quick Connect Fitting Service .
4. Cap the fuel feed/return, and EVAP lines in order to prevent possible fuel/EVAP system contamination.

1. Remove the caps from the fuel feed/return, and EVAP lines.
2. Install and connect the EVAP line (3) to the sending unit and retaining clips. Refer to Plastic Collar Quick Connect Fitting Service .
3. Install and connect the EVAP rear line (2) to the sending unit and retaining clips. Refer to Plastic Collar Quick Connect Fitting Service .
4. Install the fuel tank. Refer to Fuel Tank Replacement .