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1
5.
After draining the coolant, close drain plug (2) and
drain plug (3), and prepare a hose for pouring water,
and pour tap water from the radiator filler opening.
2
3
6.
Open drain plug (2) and drain plug (3), and then
start and run the engine with low idle for 10 minutes
while washing the inside of the radiator with flowing
water.
During the washing with flowing water, regulate the
volumes of water being poured to keep the water
level in the radiator full.
And also, always check the hose used for pouring
water for coming off from the radiator filler opening.
7.
Stop the engine and stop pouring water, and then
discharge the water. After that, close drain plug (2)
and drain plug (3).
8.
Wash the radiator with cleaning solution. Regarding
how to use the cleaning solution, follow the handling
manual of the cleaning solution to be used.
9.
After washing the radiator with the cleaning solution,
perform washing with flowing water again according
to procedures 5 to 7. At this time, continue the
washing with flowing water until clean water comes
out.
10. Drain the coolant inside the reserve tank (4) and
wash the inside of it.
11. Pour the coolant from the radiator filler opening up
to the neck of the radiator filler opening.
At this time, to avoid intrusion of air as much as
possible, slowly pour the coolant. (Speed of refiling
is 4 L/min)
12. To bleed the air inside the cooling circuits, start and run the engine for 5 minute with low idle and then another
5 minutes with high idle, as stand-by operation. Perform this operation with radiator cap (1) removed.
13. Stop the engine, wait approximately 3 minutes, and then pour the coolant up to the neck of the radiator filler
opening, and tighten radiator cap (1).
14. Refill the reserve tank with the coolant up to the middle between FULL (upper limit) to LOW (lower limit).
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