TM 9-2320-280-20-2
4-27. COLD ADVANCE SWITCH REPLACEMENT
This task covers:
a Removal
b. Installation
INITIAL SETUP:
Tools
Manual References
TM 9-2320-280-24P
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Materials/Parts
Sealing compound (Appendix C, Item 44)
Equipment Condition
Battery ground cable disconnected (para. 4-73).
Engine coolant drained as necessary (para. 3-60).
Engine access cover removed (para. 10-15).
NOTE
The cold advcance switch is located in the right cylinder head
water jacket at the rear of the cylinder head just above the
exhaust manifold.
Prior to removal, tag leads for installation.
a. Removal
1. Disconnect leads 569G (1) and 569B (3) from engine harness (2).
2. Remove cold advance switch (5) from engine (4).
b. Installation
1.
2.
Apply sealing compound to threads of cold advance switch (5). Install cold
engine (4).
Connect leads 569G (1) and 569B (3) to engine harness (2).
FOLLOW-ON TASKS:
Connect battery ground cable (para. 4-73).
Fill cooling system (para. 3-60).
Install engine access cover (para. 10-15).
advance switch (5) in
4-47
