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300
TM 9-2320-312-24-2
Troubleshooting Section
B. Check for any physical damage to the drive
B. While the engine is being cranked, look around
gear. Replace the drive gear, if necessary.
the injector bores for any signs of oil leakage.
Inspect the injector spill ports for excessive oil.
C. Verify that the drive gear and the retaining bolt
All six injectors should spill the same amount of
are properly tightened. Also verify that the pump
oil.
shaft rotates freely.
Expected Result:
Expected Result:
No leaks are apparent.
The drive gear and the retaining bolt for the high
pressure oil pump are tight. The pump shaft rotates
Results:
freely.
OK Call technical support for assistance. STOP.
Results:
Not OK
Yes The drive gear bolt is properly tightened
Repair: Replace the O-ring on the injector or
and the pump shaft rotates freely.
replace the damaged injector.
Repair: Replace the high pressure oil pump. If
this does not fix the problem, contact technical
STOP.
support.
Test Step 9. Engine Starts
STOP.
A. Connect the electronic service tool to the engine
No The pump shaft does not rotate freely.
and start the engine.
B. Check for the following codes:
Repair: Replace the high pressure oil pump. If
this does not fix the problem, contact technical
164-00 Injection Actuation Pr Out of Range
support.
164-02 Injection Actuation Pr Sensor Erratic
STOP.
No The drive gear bolt is loose. The pump shaft
164-11 Injection Actuation Pressure System
rotates freely and there is no obvious mechanical
damage that would indicate a different failure.
Expected Result:
164-00 or 164-11 is active or logged.
Repair: Tighten the drive gear bolt to a torque of
110 14 Nm (80 10 lb ft). Check the pressure
Place a check beside the codes that are active or
in order to ensure that the problem has been
logged.
resolved. If this does not fix the problem, replace
the high pressure oil pump.
164-00
________________
STOP.
164-02
________________
Test Step 8. Check the High Pressure Oil
System for Leaks.
164-11
________________
Results:
Yes 164-00 or 164-11 is active or logged.
Hot oil and components can cause personal in-
164-02 may also be active or logged. Proceed to
jury.
Test Step 10.
Do not allow hot oil or components to contact skin.
No 164-02 is active or logged, but 164-00 and
164-11 are not active or logged.
A. Remove the valve cover and inspect the high
Repair: Refer to Troubleshooting, "Injection
pressure oil system for oil leaks.
Actuation Pressure Sensor - Test" for information
on troubleshooting the active 164-02 code.
STOP.

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