153
FUEL SYSTEM
FUEL COMPONENT SERVICING
7
Make sure the serial number displayed on the
screen matches the serial number printed on the
serial number label of the replacement injector.
Install Injector
The following items and their mating surfaces
must be cleaned prior to reassembly:
• Injector
• Cylinder head
• Adapter
• Screws
• Threaded areas.
Place injector and insulator in the proper cylinder
location.
IMPORTANT: Be careful not to pinch any wiring
or hoses during assembly.
Lubricate mounting screw threads and under the
head of the screw with a light coat of Triple-Guard
grease. Install washers (one per screw) on injec-
tor retaining screws. Install screws and washers
through mounting flange of injector and into cylin-
der head.
Tighten screws in stages, starting with the lower
screw.
• First torque is 5 ft. lbs. (7 N·m).
• Second torque is 10 ft. lbs. (14 N·m).
• Final torque is 24 to 26 ft. lbs. (33 to 35 N·m).
Reconnect fuel injector electrical connectors.
Install the ignition coil assemblies. Tighten coil
screws to a torque of 60 to 84 in. lbs (7 to 9.5
N·m).
Install fuel manifolds. Refer to Fuel Manifold Ser-
vice on p. 149.
1. Serial number 008568A
A CAUTION
All injector components must be clean to
ensure correct torque tightening specifi-
cations. To prevent fuel leakage, carefully
follow these installation instructions.
002316
Tighten Screws in Stages 006562
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