TM 9-2320-361-20 4-24. ENGINE TEMPERATURE SENDING UNIT REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: APPLICABLE MODELS REFERENCES (TM) All TM 9-2320-361-10 MATERIALS/PARTS TM 9-2320-361-20P Sealing compound (Appendix C, Item 23) EQUIPMENT CONDITION Parking brake set (TM 9-2320-361-10). Hood raised and secured (TM 9-2320-361-10). Battery ground cable disconnected (para. 4-48). Cooling system (eight quarts) drained so that coolant level is below engine intake manifold (para. 3-41). 1. Disconnect wire (2) from engine temperature sending unit (3). 2. Remove engine temperature sending unit (3) from intake manifold (1). b. Installation Clean all male pipe threads and coat with sealing compound before installation. 1. Install engine temperature sending unit (3) in intake manifold (1). 2. Connect wire (2) to engine temperature sending unit (3). FOLLOW-ON TASKS: Connect battery ground cable (para. 4-48). Fill cooling system (para. 3-41). Start engine (TM 9-2320-361-10) and check for coolant leaks at water manifold. Check coolant temperature gage for proper operation. 4-39