SOURCE: how to change a thermastat 1994 ford escort with a 1.9 engine
1.9L Engine
CAUTION
Never open, service or drain the radiator or cooling system when
hot; serious burns can occur from the steam and hot coolant. Also, when
draining engine coolant, keep in mind that cats and dogs are attracted
to ethylene glycol antifreeze and could drink any that is left in an
uncovered container or in puddles on the ground. This will prove fatal
in sufficient quantities. Always drain coolant into a sealable
container. Coolant should be reused unless it is contaminated or is
several years old.
Fig: Remove the ignition coil pack
Fig. : Detach the air intake tube, crankcase breather and PCV hose
Fig. : Disconnect the upper radiator hose from the radiator
Fig. : Unfasten the ignition coil pack bracket upper bolts...
Fig. : ...and the lower bracket bolt, then remove the bracket
Fig. : Unfasten the heater hose inlet tube bracket bolt (arrow)
Fig: Unfasten the heater hose inlet tube-to-thermostat housing clamp
Fig.: Disconnect the hose inlet tube from the thermostat housing
Fig. : Unfasten the three thermostat housing bolts
Fig. Separate the thermostat housing from the engine block
Fig. : Remove the thermostat from the housing
Fig. : Use a scraper to clean old gasket material from the engine block's thermostat housing mating surface ...
Fig. : ... as well as the thermostat housing
continue...
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