DDEC Coolant Level Sensor Installation

TM 9-2320-360-20-2

7-10. DDEC COOLANT LEVEL SENSOR/ALARMSTAT/TEMPERATURE

SENSOR/DDEC

COOLANT

LEVEL

MODULE REPLACEMENT (CONT)

b. DDEC Coolant Level Sensor Installation

WARNING

Pipe thread sealing compound can

burn easily, can give off harmful

vapors, and is harmful to skin and

clothing. To avoid Injury or death,

keep away from open fire and use In

well-ventilated area. If pipe thread

sealing compound gets on skin or

clothing, wash Immediately with soap

and water.

(1) Coat threads of coolant level sensor (1) or (1.1)

with pipe thread sealing compound.

NOTE

Steps (2, 3, and 4) apply only to vehicles with

DDEC II engines.

Steps (5 and 6) apply only to vehicles with

DDEC III engines.

(2) Install coolant level sensor (1) in radiator (2).

(3) Install wire no. 1788 (3), new lockwasher (4),

and screw (5) on coolant level sensor (1).

(4) Install wire no. 890 (6), new lockwasher (7), and

nut (8) on coolant level sensor (1).

(5) Install coolant level sensor (1.1) in radiator (2).

Torque coolant level sensor to 180 lb-in. (20

Nm).

(6) Connect connector (9) to coolant level sensor

(1.1).

c. Alarmstat Removal

NOTE

Subparagraphs c. and d. apply only

to DDEC II vehicles.

(1) Remove nut (1), lockwasher

(2), wire no. 52(3), and washer

(4) from alarmstat (5). Discard

lockwasher.

(2) Remove alarmstat (5) from left

thermostat housing (6).

7-32 Change 3