Ranger 4WD V6-177 2.9L (1988)
Fuel Injector
10.
Inspect injector O-rings (two per injector) for signs of deterioration. Replace as required.
11.
Inspect injector "plastic hat" (covering the injector pintle) and washer for signs of deterioration. Replace as required. If hat is missing, look for it
in intake manifold.
INSTALLATION
1.
Lubricate new O-rings with a light grade oil and install two on each injector.
NOTE:
Never use silicone grease. It will clog the injector(s).
2.
Install injector(s), using a light, twisting, pushing motion.
3.
Install injector retainer clip noting engagement with groove injector and flared edge of the cup. Install fuel supply manifold as outlined. Replace
retainer clips if distorted.
4.
Install the electrical harness connectors to injectors.
5.
Install upper intake manifold.