Daihatsu F300 Service Manual page 1269

ENGINE MECHANICALS
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2. Check the water pump bearing and water pump pulley
attaching section for excessive play.
Replace the water pump, as required.
3. Turn the water pump by hand. Ensure that the water pump
turns smoothly.
Replace the water pump, as required.
WATER PUMP PULLEY
1. Visual inspection of water pump pulley
{1) Inspect the water pump pulley attaching section for
deformation or wear.
{2) Inspect the V-ribbed bett attaching surface for deforma-
tion or wear.
Replace the water pump pulley, as required.
INSPECTION OF THERMOSTAT
1. Ensure that the thermostat valve is closed completely at
room temperature
200C
and the spring has no play.
Replace the thermostat
if
the valve is open or the spring
has a play.
2. Check the ruober grommet of the thermostat for damage or
crack.
Replace the thermostat if the rubber grommet exhibits
damage or crack.
EM-128
•
Deformation or wear
•
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