TM 9-2320-361-20 3-43. UPPER AND LOWER RADIATOR HOSE REPLACEMENT This task covers: a. Upper Hose Removal c. Upper Hose Installation b. Lower Hose Removal d. Lower Hose Installation INITIAL SETUP: APPLICABLE MODELS EQUIPMENT CONDITION All • Parking brake set (TM 9-2320-361-10). MATERIALS/PARTS ● Hood raised and secured (TM 9-2320-361-10). • Cooling system drained (lower hose) (para. 3-41). Locknut REFERENCES TM) TM 9-2320-361-10 TM 9-2320-361-20P a. Upper Hose Removal NOTE Have drainage container ready to catch coolant. 1. Remove locknut (6) and screw (1) from rod (7) and bracket (8). Discard locknut (6). 2. Loosen two clamps (2) on upper radiator hose (3). 3. Tilt radiator (4) forward and remove upper radiator hose (3) and two clamps (2) from radiator (4) and thermostat housing (5). b. Lower Hose Removal 1. Loosen two clamps (9) on lower radiator hose (11). 2. Remove lower radiator hose (11) and two clamps (9) from radiator (4) and water pump housing (10), c. Upper Hose Installation 1. Install upper radiator hose (3) on thermostat housing (5) and radiator (4) with two clamps (2). Do not tighten. 2. Tilt radiator (4) backward and install screw (1) new locknut (6), and rod (7) on bracket (8). 3. Tighten two clamps (2). d. Lower Hose Installation Install lower radiator hose (11) on water pump housing (10) and radiator (4) with two clamps (9). Tighten two clamps (9). 3-100