Astro Van 2WD V6-4.3L VIN X (2002)
Evaporative Emissions Hose: Service and Repair
EVAP Hoses/Pipes Replacement - Engine/Chassis
REMOVAL PROCEDURE
1. Remove the engine cover.
2. Clean all the pipe connections and the surrounding areas before disconnecting the pipes in order to avoid possible contamination.
3. Disconnect the chassis EVAP pipe from the engine compartment EVAP purge pipe (9).
4. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
5. Remove the fuel/EVAP pipes bundle retainer mounting stud (7) from the cylinder head.
6. Remove the fuel/EVAP pipes bundle retainer mounting stud (6) from the transmission.
7. Remove the fuel/EVAP pipes bundle retainer mounting fastener (5) from the crossrail.
8. Disconnect the front chassis EVAP purge pipe from the rear chassis EVAP purge pipe (4).
9. Note the position of the EVAP pipe for aid in installation.
10. Remove the EVAP pipe from the retaining clips.
11. Remove the EVAP pipe.
INSTALLATION PROCEDURE
IMPORTANT:
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When replacing the fuel/EVAP pipes, always replace them with original equipment or parts that meet the GM specifications for those parts. The
replacement pipes must have the same type of fittings as the original pipes in order to ensure the integrity of the connection.
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Do not use copper or aluminum tubing to replace steel tubing. Only tubing meeting the 124-M specification or its equivalent is capable of meeting
all pressure, corrosion and vibration characteristics necessary to ensure the durability standard required.
