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Figure 238 High-pressure oil rail with engine brake (leak locations)
1.
End plug (2)
2.
ICP sensor
3.
Attenuator assembly (2)
Figure 239 Injector oil inlet adapter in
high-pressure oil rail
1.
Backup ring
2.
Seal
3.
To injectors
4.
O-ring
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
5 HARD START AND NO START DIAGNOSTICS
4.
Brake shut-off valve
5.
Machined surface (oil inlet to
cylinder head)
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.
Figure 240 O-ring for high-pressure oil manifold
1.
O-ring
2.
Oil inlet fitting
10. Open inline shut-off valve and listen for leaks.
Check the following components:
•
Injector oil inlet adapter O-rings (Figure 239)
•
Injector oil inlet adapter (Figure 239)
•
ICP sensor (Figure 238)
•
O-ring for high-pressure oil rail (Figure 240)
EGES-270-1
6.
Inlet adapter (6)
7.
BCP sensor
8.
Brake pressure relief valve
193
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