F 250 4WD Pickup V8-5.4L SOHC VIN L (1999)
22. Remove the fuel injectors from the fuel supply manifold.
23. Inspect the two O-rings from each fuel injector. Install new O-rings if necessary.
INSTALLATION
1.
Lubricate the new O-rings with clean engine oil XO-10W30-QSP or DSP or equivalent meeting Ford specification WSS-M2C153-G to aid
installation.
CAUTION: Use O-rings that are made of special fuel resistant material. Use of ordinary O-rings can cause the fuel system to leak.
2. Install the fuel injectors in the fuel supply manifold.
