GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2008
🢒
Chevrolet W-Series Commercial W4 (W3500/W4500)
🢒
Engine
🢒
Engine Controls and Fuel - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L
🢒 Evaporative Emissions Hose Routing Diagram
EVAP System Overview
(1)
EVAP Canister Purge Solenoid
(2)
EVAP Canister
(3)
Fuel Fill Neck/Fill Cap
(4)
Rollover Valve/Fuel Tank Pressure (FTP) Sensor
(5)
Fuel Tank
(6)
EVAP Canister Vent Solenoid
(7)
Vent Hose/Pipe
(8)
EVAP Vapor Pipe
(9)
EVAP Purge Pipe
(10)
EVAP Service Port