TM 5-3805-248-23-1
ENGINE, EXHAUST AND COOLING SYSTEM TROUBLESHOOTING PROCEDURES - CONTINUED
0009 00
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
18. Coolant in Engine Oil or
Engine Lubricating Oil in
Cooling system.
WARNING
DO NOT perform fuel system checks, inspections or maintenance while smok-
ing or near fire, flames or sparks. Fuel may ignite, causing damage to machine
and injury or death to personnel.
Hot oil or metal parts can cause severe burns. Wear insulated gloves, long
sleeves and eye protection when working with heated parts. Failure to follow
this warning may cause injury.
1.
Inspect cylinder head and gasket (WP
1. Replace cylinder head, if damaged (WP
0259 00).
0259 00).
2. If cylinder head is not defective, install
new cylinder head gasket and spacer
plate (WP 0259 00).
3. Go to Test 2.
2.
Check for leaking coolant or oil from
1. If leaking or damaged, replace engine
block area.
assembly (WP 0257 00).
2. If no leak is present, go to Test 3.
3.
Inspect oil cooler (WP 0269 00).
Replace engine oil cooler (WP 0269 00).
WARNING
Hot oil or metal parts can cause severe burns. Wear insulated gloves, long
sleeves and eye protection when working with heated parts. Failure to follow
this warning may cause injury.
1.
Check for contaminated or overfilled
1. If oil is contaminated or overfull,
engine oil.
2. If oil is OK, go to Test 2.
2.
Check for damaged cylinder head
1. If damaged, replace cylinder head (WP
(WP 0269 00).
0269 00).
2. If problem still exists, replace
turbocharger (WP 0276 00).
3. If problem still exists, replace engine
assembly (WP 0257 00).