GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2003
🢒
Yukon XL - 4WD
🢒
Engine
🢒
Engine Controls - 8.1L
🢒 Emission Hose Routing Diagram
Vacuum Hose Routing
(1)
Fuel Pressure Regulator
(2)
EVAP Purge Pipe
(3)
EVAP Purge Solenoid Valve
(4)
Throttle Body
(5)
Intake Manifold Vacuum Source