G 2500 3/4 Ton Van V6-262 4.3L VIN Z (1992)
Fuel Injector Installation
INSTALL OR DISCONNECT
1. Lubricate new lower (small) O-rings with automatic transmission fluid and push on nozzle end of injector until it presses against injector fuel
filter.
2. Install steel injector back up washer in counterbore of fuel meter body.
3. Lubricate new upper (large) O-rings with automatic transmission fluid and install directly over the back up washer. Be sure the O-ring is seated
properly and is flush with top of fuel meter body surface.
NOTE: Backup washers and O-rings must be installed before injectors, or improper seating of large O-rings could cause fuel to leak.
4. Install injector, aligning raised lug on each injector base with notch in fuel meter body cavity. Push down on injector until it is fully seated in
the fuel meter body. (Electrical terminals of the injector should be parallel with throttle shaft).
5. Install fuel meter cover gasket.
6. Install fuel meter cover.
7. Reconnect electrical connectors to fuel injectors.
8. With engine OFF and ignition ON, check for fuel leaks.
