Excessive Exhaust Fumes and/or Fumes in Cab (If Equipped).

TM 5-2410-233-23

TROUBLESHOOTING PROCEDURES - CONTINUED

0006 00

Table 1. Engine Troubleshooting Procedures - Continued.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

EXHAUST SYSTEM

23. Excessive Exhaust Fumes and/or Fumes in 1. Inspect muffler for exhaust Replace muffler (WP 0058 00).

leaks and damage.

Cab (If Equipped).

2. Inspect coupling between Replace seal, coupling or

muffler and turbocharger for preformed packing (WP 0058

leaks or damage.

00).

COOLING SYSTEM

24. Engine Overheats (According to Engine 1. Check radiator for airflow Remove

obstructions

from

obstructions.

radiator.

Water Temperature Gage).

2. Check coolant level.

If coolant is low, fill to proper

level (WP 0060 00).

3. Inspect for loose, missing and 1. Check V-belt tension and

worn V-belts.

adjust as required (WP 0069

00).

2. Replace missing or worn V-

belt (WP 0069 00).

4. Inspect radiator, water pump, 1. Tighten hose clamps and

transmission oil cooler,

fittings.

engine oil cooler, hoses and

and 2. Tighten or close draincocks.

hose

connections

draincocks for leaks.

3. Replace damaged hose(s) (WP

0066 00).

4. Replace leaking water pump

(WP 0065 00).

5. Replace leaking engine oil

cooler (WP 0018 00).

6. Repair or replace leaking

transmission oil cooler (WP

0087 00).

5. Perform radiator pressure test If radiator leaks, replace (WP

(WP 0061 00).

0063 00).

6. Inspect fan for cracked or Replace damaged fan (WP 0068

missing blades.

00).

7. Check fan operation.

If fan does not turn or turn

properly, replace fan drive (WP

0067 00).

8. Inspect cooling system.

Clean and flush cooling system

(WP 0060 00).

0006 00-12