GM Service Manual Online
For 1990-2009 cars only
Figure 1:
Object Number: 1964006  Size: MF
(1)Fuel supply tube
(2)Primary Fuel module
(3)Fuel tank
(4)Filler tube
(5)EVAP canister
(6)Secondary fuel module
(7)Injectors and fuel rail
Figure 2:

LPG System Schematic


Object Number: 2082583  Size: LF
(1)LPG Filler Valve
(2)Filler Line
(3)Rear Lock Off/Service Solenoid Valve Assembly
(4)LPG Tank Assembly
(5)AFL
(6)Fuel Contents Gauge / Sender
(7)LPG Tank
(8)Intermediate Service Line
(9)LPG Control Module
(10)Front LPG Lock-Off (including filter)
(11)Front Service Line
(12)LPG Fuel Injectors and Manifold (2 of)
(13)Coolant Hoses to and from Engine
(14)Reducer
(15)Wiring Harness
(16)Fuel Mode Switch and Fuel Level
(17)Rear Service Line
(18)LPG Filter
(a)Liquid
(b)Vapour
(c)Vacuum
(d)Coolant