Observable Diagnostics and Tests
04
150
11
RG,RG34710,1547 –19–27NOV00–1/1
Check Engine Oil Pressure
RG8531 –UN–26NOV97
Oil Pressure Gauge at Main Oil Galley
RG10633 –UN–30NOV99
Oil Pressure Gauge at Quick Disconnect on Oil Cooler
1. Remove pipe plug from main oil galley using JDG782
Oil Galley Plug Tool.
2. Attach pressure gauge to oil galley.
IMPORTANT: To achieve an accurate oil pressure
reading, warm engine oil to 105°C
(220°F).
3. Start engine, run at speeds given below, measure oil
pressure, and compare readings.
Specification
Engine Oil—Minimum Pressure at
No Load (Idle) 138 kPa (1.38 bar) (20 psi).................................................
Maximum Pressure at Full Load
(Rated Speed) 310 kPa (3.1 bar) (45 psi)..................................................
NOTE: The oil pressure regulating valve is designed so
that adjustment of oil pressure should not be
required.
CTM100 (06APR04)
04-150-11
P
OWER
T
ECH
10.5 L & 12.5 L Diesel Engines
040604
PN=359