Cylinder Head and Valves
02
020
64
RG,RG34710,97 –19–01NOV00–5/9
RG9201A –UN–30JUL99
Torque-Turn Clamp Cap Screws
RG9203A –UN–30JUL99
Torque-Turn Clamp Cap Screws
A—Line on Socket
B—Line on Shaft Clamp
C—Line on Spacer
• Remove socket from cap screw and rotate socket
counterclockwise (viewed from rear of engine) one
flat and reinstall on cap screw. Marks should now be
60° apart.
• Tighten cap screws (clockwise) until marks on socket
(A) and shaft clamp [or spacers (C) at each end
location] are aligned.
NOTE: If cap screw is tightened beyond aligning mark,
loosen cap screw and repeat procedure starting
with initial torque of 30 N
•
m (22 lb-ft).
2. Repeat procedure on remaining cap screws and
torque-turn cap screws to the following specifications.
Specification
Rocker Arm Shaft Hold-Down
Clamp Cap Screws (Dual Rail
Fuel System)—Final Torque-Turn 60°±5°.................................................
IMPORTANT: Position electronic unit injector wiring
harness so that wires DO NOT touch
rocker arms.
3. Install unit injector wiring harness. Apply LOCTITE
222 (TY24311) Thread Lock and Sealer (Low Strength)
to harness cap screws. Tighten cap screws to
specifications below.
Specification
Unit Injector Wiring Harness
Bracket-to-Rear of Head—Torque 25 N•m (18 lb-ft)..................................
Unit Injector Wiring Harness
Solenoid Wire Retaining Nut
1
—
Torque 3.0 N•m (27 lb-in.)...........................................................................
Unit Injector Harness
Clips-to-Rocker Arm Shaft
Clamps—Torque 35 N•m (26 lb-ft)..............................................................
4. Adjust valve-to-bridge clearance and injector preload.
(See CHECK AND ADJUST VALVE ASSEMBLY
CLEARANCES AND INJECTOR PRELOAD, earlier in
this group.)
LOCTITE is a registered trademark of Loctite Corp.
1
Apply LOCTITE 222 (TY24311) Thread Lock and Sealer (Low Strength)
to nut only.
CTM100 (06APR04)
02-020-64
P
OWER
T
ECH
10.5 L & 12.5 L Diesel Engines
040604
PN=136
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