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Page Title:
Table 1. Engine Troubleshooting Procedures - Continued. |
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 TM 5-2410-237-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 1. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
11. Engine
Knocks
(Excessive
Mechanical
Engine has internal damage.
Replace engine assembly (WP
Noise).
12. Excessive Noise From Valve Mechanism
1.
Check valve clearance.
Adjust valves (WP 0018 00).
(Clicking Sound).
2.
Inspect valve mechanism.
Replace damaged components
If there is low oil flow, perform
3.
Remove valve mechanism
cover (WP 0017 00). Check
oil pressure check #14 (refer to
lubrication flow at valve
STE-ICE troubleshooting).
mechanism. There must be
strong oil flow at high
engine rpm and small oil
flow at low rpm.
If damage is noted, replace
4.
Check valve springs and
locks. Damaged or worn
cylinder head assembly (WP
locks can cause valve to fall
into cylinder, resulting in
serious engine damage.
13. Excessive Oil Consumption.
1.
Check
dipstick
for
If dipstick indicates excessive
overfilling.
oil, drain crankcase to safe
operating level (WP 0011 00).
2.
Check for external oil leaks.
a. Wipe off edges of rocker
arm cover, oil pan, oil
filter,
turbocharger,
engine oil cooler and other
external engine surfaces.
b. Start engine and check for
leaks.
c. Tighten nuts, screws,
lines and fittings and oil
filter.
3.
Check
engine
oil
Clean core of engine oil cooler
temperature.
or replace oil cooler (WP 0020
If leakage is noted, replace
4.
Check for oil leakage at
turbocharger
to
inlet
turbocharger (WP 0049 00).
manifold connection.
Change 1
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