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(13) Fill cooling system with coolant and check for leaks. Refer to Refilling Cooling System in this (14) Connect battery negative cable. THERMOSTAT REMOVAL WARNING: DO NOT LOOSEN THE RADIATOR DRAINCOCK WITH THE SYSTEM HOT AND PRES- DO NOT WASTE reusable coolant. If the solution is clean, drain the coolant into a clean container for (1) Drain the coolant from the radiator until the level is below the thermostat housing. WARNING: CONSTANT TENSION HOSE CLAMPS CAUTION: A number or letter is stamped into the (2) Remove radiator upper hose and heater hose at thermostat housing. (3) Disconnect wiring connector at engine coolant temperature sensor. (4) Remove thermostat housing mounting bolts, thermostat housing, gasket and thermostat (Fig. 32). (5) Clean the gasket mating surfaces. INSTALLATION (1) Install the replacement thermostat so that the pellet, which is encircled by a coil spring, faces the (a) Observe the recess groove in the engine cyl- inder head (Fig. 33). (b) Position thermostat into this groove with arrow and air bleed hole on outer flange pointing (2) Install replacement gasket and thermostat housing. Fig. 32 Thermostat Removal/Installation 1 – LONG BOLT Fig. 33 Thermostat Recess 1 – GROOVE 7 - 28 COOLING SYSTEM XJ REMOVAL AND INSTALLATION (Continued) |