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Page Title:
THERMOSTAT AND THERMOSTAT HOUSING COVER REPLACEMENT |
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 TM 9-2320-302-20-2
THERMOSTAT AND THERMOSTAT HOUSING COVER REPLACEMENT
THIS WORK PACKAGE COVERS
Removal, Installation
INITIAL SETUP
Materials/Parts
Tools and Special Tools
Tool kit, general mechanic's (Item 50, WP 0306 00)
Seal, thermostat (P/N 3S9643-00) (2)
Handle, driver (Item 15, WP 0306 00)
Compound, sealing, pipe (Item 13, WP 0305 00)
Installer, seal (Item 21, WP 0306 00)
Oil, lubricating (Item 22, WP 0305 00)
Wrench, torque, 15-75 lb-ft (Item 57, WP 0306 00)
Equipment Condition
Coolant hoses, pipes, and clamps removed (WP 0047
00 or WP 0048 00)
REMOVAL
1.
Remove four bolts (3) and thermostat housing cover (2) from cylinder head (7).
2.
Remove two thermostats (8) and thermostat seals (6) from thermostat housing cover (2). Discard thermostat seals.
3.
Remove plug (5) from thermostat housing cover (2).
4.
Remove two pipe plugs (4) and two pipe plugs (1) from thermostat housing cover (2).
INSTALLATION
WARNING
Adhesives and sealing compounds can burn easily, can give off harmful vapors, and are harmful to skin and
clothing. To avoid injury or death, keep away from open fire and use in a well-ventilated area. If adhesive or
sealing compound contacts skin or clothing, wash immediately with soap and water.
1.
Lightly coat threads of two pipe plugs (4) and two pipe plugs (1) with pipe sealing compound. Install pipe plugs in ther-
mostat housing cover (2).
2.
Lightly coat threads of plug (5) with pipe sealing compound. Install plug in thermostat housing cover (2).
3.
Support thermostat housing cover (2), contact side up, level on workbench.
4.
Using seal installer and handle, install new thermostat seal (6) on thermostat housing cover (2).
5.
Using hammer, drive thermostat seal (6) into thermostat housing cover (2) bore until tool lip is flush against housing
cover.
6.
Repeat steps 4 and 5 for other new thermostat seal (6).
7.
Lightly coat lips of two thermostat seals (6) with lubricating oil.
8.
Install two thermostats (8) on thermostat housing cover (2), spring side up. Press thermostats into housing cover.
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