Group 25
Troubleshooting
5
Tighten the rocker arm bridge bolts in
two steps:
1
Torque to 15 Nm (11 ft-lb).
2
Tighten both bolts an additional
90
.
15 Nm
(11 ft-lb)
6
Clean the threaded hole in the cylinder
head where the valve cover stud was
removed. Clean the valve cover stud
bolt and apply locking fluid. Torque the
stud to 48 ± 8 Nm (35 ± 6 ft-lb).
Carefully remove any excess locking
fluid after the stud bolt has been tight-
ened.
Note: Use Kent Moore tool J-41203 on
early D12 engines to torque the stud.
J-41203
48 ± 8 Nm
(35 ± 6 ft-lb)
7
Press the electronic cable clamp onto
the stud bolt.
Note: The electronic cable must be
positioned on the outside of the valve
cover studs.
8
Install the valve cover.
9
T2007003
Tighten the valve cover nuts to
30 ± 3 Nm (22 ± 2 ft-lb). Follow the
tightening sequence shown.
30 ± 3 Nm
(22 ± 2 ft-lb)
10
Test run engine and check for oil leaks.
2515-06-02-01
Exhaust Temperature, Check-
ing
Before working on a vehicle, set the parking brakes,
place the transmission in neutral, and block the
wheels. Failure to do so can result in unexpected ve-
hicle movement and can cause serious personal
injury or death.
WARNING
HOT ENGINE! Keep yourself and your test equipment
clear of all moving or hot engine parts. A hot engine
can cause serious burns or can permanently damage
test equipment.
WARNING
Always wear appropriate eye protection to prevent the
risk of eye injury due to contact with engine debris or
fluids.
Special tools: 9998190, 9998342, 9998364,
J–41132
Installation
1
Set the parking brake.
2
W2002214
Disconnect the pipe from the air com-
pressor and remove the intake pipe
between the air cleaner and tur-
bocharger.
40