Low Oil Pressure. - TM-5-2410-233-230057

TM 5-2410-233-23

TROUBLESHOOTING PROCEDURES - CONTINUED

0006 00

Table 1. Engine Troubleshooting Procedures - Continued.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1. Check oil lines for looseness, 1. Tighten loose fittings and

14. Low Oil Pressure.

cracks, splits, leaks, damage

connections.

and obstructions.

2. Clear clogged or obstructed

lines with compressed air or

sturdy wire.

3. Replace oil lines that are

cracked, split or damaged (WP

0048 00).

2. Inspect oil filter for leaks or 1. Tighten oil filter (WP 0010

blockage.

00).

2. If leaking continues or

blockage is found, replace oil

filter (WP 0010 00).

3. Check for fuel in engine oil.

Drain engine oil, install new oil

filter and refill crankcase (WP

0010 00).

4. Inspect engine oil pump.

5. Remove oil pan (WP 0031 1. Clean inlet screen and inlet

00). Check for restriction at

pipe, replace if damaged (WP

oil pump inlet screen.

0033 00).

2. Replace engine oil pump (WP

0033 00).

1. Check air cleaner for air Clean air inlet and service air

15. Black or Gray Exhaust Smoke.

restriction.

cleaner filter elements (WP 0042

00).

2. Check for fuel in engine oil. If 1. Replace defective nozzles

fuel is present, test fuel

(WP 0037 00).

injection nozzles (WP 0037 2. Drain engine oil, install new oil

00).

filter and refill crankcase (WP

0010 00).

3. Check turbocharger

for Replace turbocharger if signs of

internal oil leak.

an internal oil leak are present

(WP 0046 00).

4. Check fuel injection timing Adjust timing (WP 0053 00).

(WP 0053 00).

1. Check for coolant in engine If coolant is present in engine oil,

16. White Exhaust Smoke.

oil.

replace cylinder head gasket (WP

0023 00).

0006 00-9