Table 1. Engine Troubleshooting Procedures - Continued.

TM 5-2410-237-23

TROUBLESHOOTING PROCEDURES - CONTINUED

0006 00

Table 1. Engine Troubleshooting Procedures - Continued.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

17. Excessive Fuel Consumption.

Check air cleaner for air

Clean air inlet and service air

restriction.

cleaner filter elements (WP 0045

00).

Inspect fuel lines and

1. Tighten

any

loose

connections for leaks.

connections.

2. Replace leaking or damaged

fuel lines and connections

(WP 0053 00).

3. Prime fuel system (WP 0041

00).

Check for fuel in engine

Drain engine lubricating oil,

lubricating oil.

install new oil filter and refill

crankcase (WP 0011 00).

Perform cylinder cutout test

Replace suspect nozzle(s) (WP

(WP 0043 00).

0040 00).

18. Coolant in Engine Lubricating Oil or Engine

Inspect cylinder head (WP

1. Replace a damaged or warped

Lubricating Oil in Cooling System.

0025 00).

cylinder head (WP 0025 00).

2. If cylinder head is not

defective, install new cylinder

head gasket and spacer plate

(WP 0025 00).

Check for a

cracked

Replace engine assembly (WP

cylinder block.

0021 00).

Inspect engine oil cooler

Replace engine oil cooler (WP

(WP 0020 00).

0020 00).

19. Engine Lubricating Oil at Exhaust.

There may be internal

Replace turbocharger (WP 0049

failure to turbocharger.

00).

There may be damage or

Replace cylinder head assembly

worn valve guides.

(WP 0025 00).

Piston rings

may

Replace engine assembly (WP

damaged.

0021 00).

0006 00-13

Change 1