SERVICE MANUAL
INTRODUCTION
Introduction
3.
Collapsed coolant hose(s).
4.
Stuck thermostats (closed).
5.
Shutter stats inoperative or misadjusted.
6.
Loose fan belts (slipping).
7.
External coolant leakage.
8.
Improper coolant treatment.
9.
Overfueling
PROBLEM: LOW COOLANT TEMPERATURE
REASON OR CAUSE
1.
Defective...
a.
gauge
b.
thermostat seals on thermoostat housing counter bore
2.
Incorrect thermostat.
3.
Stuck thermostat (open).
4.
Shutter stats inoperative or misadjusted.
PROBLEM: COOLANT IN THE LUBE OIL OR ENGINE LUBE OIL IN THE COOLING SYSTEM
REASON OR CAUSE:
1.
Cracked cylinder head, crankcase or leaking cylinder head gasket.
2.
Leaking injector sleeve.
3.
Defective oil cooler and/or intercooler.
4.
Defective air compressor.
5.
Damaged or eroded cylinder sleeve "O" rings or crankcase lower bore.
PROBLEM: EXCESSIVE EXHAUST SMOKE - BLACK
REASON OR CAUSE:
1.
Low power.
2.
Excessive air cleaner restriction.
CGES-185-3
PRINTED IN UNITED STATES OF AMERICA
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