Suzuki Wagon R Manual page 3916

ENGINE COOLING (Z10XEP AND Z12XEP ENGINES) 6B4-9
Cooling System Draining
1) Remove degassing tank cap.
2) Loosen drain plug (1) on radiator (2) to drain coolant.
3) After draining coolant, be sure to tighten drain plug securely.
Cooling System Refill
1) Add 50/50 mixture of good quality ethylene glycol antifreeze
and water to degassing tank (1) up to "KALT/COLD" mark
(2).
2) Run engine, with degassing tank cap removed, until radiator
upper hose is hot.
3) With engine idling, add coolant to degassing tank (1) until
level reaches "KALT/COLD" mark.
Install degassing tank cap turning it clockwise up to stop.
Cooling Water Pipes or Hoses
Removal
1) Drain coolant referring to "Cooling System Draining" in this
section.
2) To remove these pipes or hoses, loosen clip on each hose
and pull hose end off.
Installation
Reverse removal procedure for installation noting the following.
• Connect each clip securely referring to "Cooling System
Component" in this section.
• Refill cooling system with proper coolant referring to "Cooling
System Refill" in this section.