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TM 9-2320-364-20-2
2-968
2. LOW ENGINE OIL PRESSURE (OIL PRESS GAGE CONTINUOUSLY READS LESS
THAN 35 TO 40 PSI [241 TO 276 kPa] AT 1800 TO 2100 RPM).
INITIAL SETUP
1.
Go to Step 2 of this
Fault.
START
NO
Oil level OK.
Engine oil filter or oil hoses
faulty.
Rocker covers or gaskets faulty.
Oil sending units faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
DDR test.
DDR will verify truck oil pressure
gage reading.
2-16. ENGINE TROUBLESHOOTING (CONT).
Tools and Special Tools
Tool Kit, General Mechanic’s: Automotive
(Item 74, Appendix G)
Reader, Diagnostic (Item 53, Appendix G)
Equipment Condition
Engine OFF, (TM 9-2320-364-10)
Parking brake applied, (TM 9-2320-364-10)
Wheels chocked, (TM 9-2320-364-10)
Right side noise panel removed, (Para 17-26)
References
TM 9-2320-364-10
Materials/Parts
Lockwasher (8) (Item 195, Appendix F)
Does DDR display oil
pressure in correct range at
1800 to 2100 RPM?
Go to Electrical
System
Troubleshooting
(Para 2-20, Fault 5).
YES
CAUTION
Read CAUTION
on Page 2-969
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