Rainier AWD L6-4.2L VIN S (2005)
1. Install the fuel injector harness (2) to the fuel rail (1).
2. Install the fuel injectors (3) to the fuel rail.
INSTALLATION PROCEDURE
1. Lubricate the new lower injector O-ring seals with clean engine oil.
2. Install the new O-ring seals on the spray tip end of each injector.
3. Install the fuel rail assembly (1).
4. Apply a 5 mm (0.2 in) band of thread lock GM P/N 12345382 (Canadian P/N 10953489) or equivalent, to the threads of the fuel rail bolts
