TM 5-3895-379-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 1. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
4.
Coolant in Engine Oil/Engine Oil in
Coolant.
Class I leakage at water pump bleed holes is normal. Any Class II or
Class III leakage represents a problem with the water pump.
1. Open right-side door assembly 1. If engine oil or coolant is leaking
(TM 5-3895-379-10). Check
from either failure bleed hole or
water pump for signs of leakage
water pump shows signs of
(discoloration, corrosion, wet-
leakage, water pump has failed.
ness). There are two failure bleed
Replace water pump (WP 0057
holes located on engine side of
water pump. Check failure bleed
holes for Class II and Class III
Replace coolant system fluid (WP
leakage of engine oil or coolant.
2. If engine oil or coolant is not
leaking from either failure bleed
hole or water pump, go to Step 2.
2. Remove and inspect engine oil If engine oil cooler or components are
cooler (WP 0017 00).
damaged, replace oil cooler or
components with new parts (WP
Replace coolant system fluid (WP
WATER
PUMP
WATER
PUMP
WATER
PUMP
SHOWN
REMOVED
FAILURE
FOR CLARITY
BLEED HOLES
401-186
