ENGINE OVERHEATS (WATER TEMPERATURE GAGE CONTINUOUSLY READS OVER 230F [110C]).

TM 9-2320-364-34-1

2-10. ENGINE TROUBLESHOOTING (CONT).

2. ENGINE OVERHEATS (WATER TEMPERATURE GAGE CONTINUOUSLY READS

OVER 230F [110C]).

INITIAL SETUP

Tools and Special Tools

References

Tool Kit, General Mechanic's

TM 9-2320-364-10

TM 9-2320-364-20

Tester, Pressure, Radiator (Item 237, Appendix F)

Equipment Condition

Engine OFF, (TM 9-2320-364-10)

Materials/Parts

Parking brake applied, (TM 9-2320-364-10)

Lockwasher (30) (Item 282, Appendix E)

Wheels chocked, (TM 9-2320-364-10)

START

KNOWN INFO

TEST OPTIONS

WARNING

Read WARNING

Unit Troubleshooting tasks

Cooling system pressure test.

on Page 2-65

completed.

REASON FOR QUESTION

POSSIBLE PROBLEMS

Are engine block expansion

If coolant is leaking from

plugs free from leaks or

expansion plugs, engine may

Expansion plugs faulty.

damage?

overheat due to loss of coolant.

Water pump faulty.

Cylinder head gaskets faulty or

cylinder heads cracked.

Replace expansion

plugs (Para 3-8).

Verify repair, go to

Step 4 of this Fault.

YES

2-64