Thermostat/Water Jacket Cover Removal/Installation - TOHATSU BFT75A Service Manual

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COOLING SYSTEM

THERMOSTAT/WATER JACKET COVER REMOVAL/INSTALLATION

REMOVAL
Remove the following parts.
– Engine cover
– R. engine under (page 6-5)
– Fuse box (70 A)/regulator/rectifier (page 10-4)
Release the harness band clip from harness clip
bracket C and release the HO2S 4P connector (page 5-
82).
Disconnect the ignition coil 3P connectors [1], ECT
sensor 3 (2P) connector [2], and the CMP sensor 3P
connector [3].
Release the harness band clip [4] and the three
harness straps [5] from the water jacket cover.
Remove the two bolts [1] from the cylinder block, and remove the thermostat cover [2], thermostat cover O-ring
[3], and the thermostat ( 60 °C) [4].
Remove the two bolts [5] from the water jacket cover [6], and remove the thermostat cover [7], thermostat cover
O-ring [8], and the thermostat ( 50 °C) [9].
Remove the twelve bolts [10] and remove the water jacket cover and water jacket cover gasket [11] from the
cylinder head.
Remove the two screws [12], and remove the two anode metals [13] from the cylinder head.
[13]
INSPECTION:
Check the anode metal for
corrosion and replace if
necessary.
11-4
[11]
[12]
[3]
[4]
[3]
[2]
[1]
[9]
[5]
[7]
[8]
[10]
[6]
[4]
[1]
[5]
[1]
[5]
[2]
[1]
[5]