GMC Workshop Service and Repair Manuals
HOME
FEATURES
MENU
INDEX
ABOUT US
Timing Marks and Indicators >
< Ignition Firing Order
G 3500 1 Ton Van V8-454 7.4L (1989)
Engine, Cooling and Exhaust
Engine
Tune-up and Engine Performance Checks
Ignition Timing
Number One Cylinder
Component Information
Locations
Number 1 Cylinder Location
Page 1
Engine, Cooling and Exhaust
Engine
Tune-up and Engine Performance Checks
Ignition Timing
Number One Cylinder
Component Information
Locations
Number 1 Cylinder Location
Timing Marks and Indicators >
< Ignition Firing Order