GM Service Manual Online
For 1990-2009 cars only

Emission Hose Routing Diagram 5.0L


Object Number: 29695  Size: SH
(1)EVAP Purge Vacuum Switch
(2)EVAP Canister Purge Solenoid Valve
(3)Manifold Absolute Pressure (MAP) Sensor
(4)Positive Crankcase Ventilation Valve
(5)To Fuel Tank
(6)EVAP Canister Vent
(7)EVAP Canister Purge Hose
(8)Throttle Body

Emission Hose Routing Diagram 5.7L


Object Number: 29693  Size: SH
(1)EVAP Purge Vacuum Switch
(2)EVAP Canister Purge Solenoid Valve
(3)Manifold Absolute Pressure (MAP) Sensor
(4)Positive Crankcase Ventilation Valve
(5)To Fuel Tank
(6)EVAP Canister Vent
(7)EVAP Canister Purge Hose
(8)Throttle Body

Emission Hose Routing Diagram 7.4L


Object Number: 29698  Size: SH
(1)Crankcase Vent
(2)Fuel Pressure Regulator Valve
(3)EVAP Canister Purge Solenoid Valve
(4)Positive Crankcase Ventilation Valve
(5)To Fuel Tank
(6)EVAP Canister Vent
(7)EVAP Canister Purge Hose
(8)Manifold Absolute Pressure (MAP) Sensor
(9)Throttle Body