Removal Procedure

CAUTION: Refer to Fuel and EVAP Pipe Caution in Cautions and Notices.

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.

Remove the engine and transmission as an assembly. Refer to Engine Replacement in Engine Mechanical.

Fig 1: Locating Fuel Filter Components

GM724410

Courtesy of GENERAL MOTORS CORP.

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

Fig 2: View Of Auxiliary Rear Air & Heat Fuel Pipes

GM400659

Courtesy of GENERAL MOTORS CORP.

Perform the following procedures if equipped with auxiliary rear air and heat.
1. Disconnect the rear heater and A/C pipes from the rear heating, ventilation, and air conditioning (HVAC) module. Refer to HVAC Module Replacement - Auxiliary in Heating, Ventilation and Air Conditioning.
2. Move the rear heater and A/C pipes in order to remove the EVAP purge pipe.
Note the position of the EVAP pipe and the EVAP pipe attaching hardware for installation.

Fig 3: Locating Pipe Attaching Clips

GM724387

Courtesy of GENERAL MOTORS CORP.

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

Fig 4: Locating Pipe To Chassis Attaching Clip

GM724389

Courtesy of GENERAL MOTORS CORP.

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

Fig 5: View Of Fuel & EVAP Purge Pipes

GM724391

Courtesy of GENERAL MOTORS CORP.

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