EVAP Hoses/Pipes Replacement - Engine/Chassis

EVAPORATIVE EMISSION (EVAP) HOSES/PIPES REPLACEMENT - ENGINE/CHASSIS

REMOVAL PROCEDURE

CAUTION: Refer to Fuel and EVAP Pipe Caution in Service Precautions.

CAUTION: Do not breathe the air through the EVAP component tubes or hoses. The fuel vapors inside the EVAP components may cause personal injury.

IMPORTANT: Always maintain cleanliness when servicing fuel system components.

1. Remove the engine and transmission as an assembly.




2. Disconnect the evaporative emission (EVAP) purge pipe from the rear purge pipe (3).




3. Perform the following procedures if equipped with auxiliary rear air and heat.
3.1. Disconnect the rear heater and A/C pipes from the rear heating, ventilation, and air conditioning (HVAC) module.
3.2. Move the rear heater and A/C pipes in order to remove the EVAP purge pipe.
4. Note the position of the EVAP pipe and the EVAP pipe attaching hardware for installation.




5. Disconnect the EVAP purge pipe from the engine compartment attaching clips (2).




6. Disconnect the EVAP purge pipe from the chassis attaching clip (1).




7. Remove the EVAP purge pipe.
8. Inspect the pipe for bends, kinks, and cracks.
9. Replace the pipe as required.

INSTALLATION PROCEDURE




1. Install the EVAP purge pipe.




2. Connect the EVAP purge pipe to the chassis attaching clip (1).




3. Connect the EVAP purge pipe to the engine compartment attaching clip (2).




4. Perform the following procedures if equipped with auxiliary rear air and heat.
4.1. Move the rear heater and A/C pipes into their original position.
4.2. Connect the rear heater and A/C pipes to the rear HVAC module.




5. Connect the fuel feed and return pipe or EVAP purge pipe from the fuel filter (2) and rear return pipe (4) or rear purge pipe (3).
6. Install the engine and transmission as an assembly.