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12-58
Simple inspection and service
6 Replacement
Be sure to flush the cooling system when replacing
the coolant.
WARNING
•
Do not replace the coolant immediately
after operating the vehicle since the
engine, radiator, coolant, and other items
will be extremely hot. If you try to drain the
coolant immediately after driving the vehi-
cle, you may be scalded. Give the coolant
time to cool before starting the job.
•
Never remove the pressure cap while the
coolant is still hot. Carelessly removing it
is dangerous since boiling coolant and hot
steam will gush out and could scald you.
Only after the coolant has cooled down
sufficiently, remove the pressure cap by
gripping it in a folded piece of thick cloth
and opening it slowly.
•
Tighten the pressure cap before operating
the engine. If the engine speed is
increased with the pressure cap left open,
the coolant will overflow from the pressure
cap opening as its temperature rises.
1. Place a can under the radiator drain cock to
receive engine coolant.
2. Remove the cap
3. Tilt the cab.
If the vehicle is a Crew-cab model vehicle,
uncover the engine coolant inspection opening.
Z09378
Z21944
from the reservoir tank.
P. 12-6
P. 12-5
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