Suzuki Wagon R Manual page 3913

6B4-6 ENGINE COOLING (Z10XEP AND Z12XEP ENGINES)
4) Using a pressure tester (1), check system and degassing
tank cap (2) for proper pressure holding capacity. If replace-
ment of cap is required, use proper cap specified for this
vehicle.
Cooling system and degassing tank cap holding pressure
(for inspection)
: 100 kpa (1.0 kg/cm
5) Install degassing tank cap to degassing tank turning it clock-
wise up to stop.
6) Tighten hose clamps and inspect all hoses. Replace hoses
whenever cracked, swollen or otherwise deteriorated.
7) Clean frontal area of radiator core.
Cooling System Flush and Refill
WARNING:
To help avoid danger of being burned, do not remove
degassing tank cap while engine and radiator are still
hot. Scalding fluid and steam can be blown out under
pressure if cap is taken off too soon.
1) Remove degassing tank cap when engine is cool:
Turn cap counterclockwise slowly.
Wait until pressure is relieved (indicated by a hissing sound)
then continue to turn it counterclockwise.
2) With degassing tank cap removed, run engine until upper
radiator hose is hot (this shows that thermostat is open and
coolant is flowing through system).
3) Stop engine and drain coolant.
4) Close drain plug (1). Add water until system is filled and run
engine until upper radiator hose is hot again.
5) Repeat steps 3) and 4) several times until drained liquid is
nearly colorless.
6) Drain system and then close radiator drain plug (1) tightly.
2
, 14.2 psi)