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4. Remove the pressure cap
by turning it counterclockwise.
Z21190
5. Open the radiator drain cock
coolant.
NOTE:
You can prevent splashes from draining engine
coolant by connecting a hose (commercially avail-
able with a 7 mm (0.28 in.) inside diameter) to the
drain cock nipple
6. After the coolant has been completely drained,
close radiator drain cock.
Z21267
Tightening torque
7. Flush the cooling system.
Pour soft water (preferably after heating moder-
ately) through the pressure cap opening. Refit
the pressure cap tightly by turning it clockwise.
Lower the cab.
Start and run the engine until the coolant tem-
perature indicator on the multi-information dis-
play shows the 8th segment on the scale. Stop
the engine after 10 minutes and then drain out
the engine coolant. Take great care as the cool-
ant is very hot.
Repeat the above procedure until the water is
free of dirt.
For details on handling the multi-information dis-
play, refer to page 6-8.
CAUTION
If the radiator tubing is clogged or coolant is
more contaminated than usual, have your vehi-
cle inspected at an authorized dealer.
8. Make sure the radiator drain cock is securely fit-
ted.
of the surge tank
to drain engine
.
2.5 ± 0.5 N·m (1.8 ± 0.4
ft.lbs., 0.25 ± 0.05 kgf·m)
12-59
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