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Cooling System Flush And Refill; Cooling Water Pipes Or Hoses Removal And Installation - Suzuki SX4 Service Manual

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1F-6 Engine Cooling System:

Cooling System Flush and Refill

To help avoid danger of being burned, do not
remove radiator 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.
For detail of coolant specification, refer to
"Coolant Description".
1) Remove radiator cap when engine is cool as follows.
a) Turn cap counterclockwise slowly until it reaches
a "stop" (Do not press down while turning it).
b) Wait until pressure is relieved (indicated by a
hissing sound) then press down on cap and
continue to turn it counterclockwise.
2) With radiator 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 from radiator drain
plug (1).
4) Close radiator drain plug. Add water until system is
filled and run engine until upper radiator hose is hot
5) Repeat Steps 3) and 4) several times until drained
liquid is nearly colorless.
6) Close radiator drain plug (1) tightly.
7) Remove reservoir cap (2) and reservoir (1).
8) Pour out any fluid, scrub and clean inside of
reservoir with soap and water.
Flush it well with clean water and drain, Reinstall
9) Fill reservoir with coolant up to "FULL" level mark (3).
10) Install reservoir cap (2) on reservoir.
11) Fill radiator with coolant up to bottom of radiator filler
neck and install radiator cap, making sure that the
ear of cap lines is parallel to radiator.
12) Run engine at idle speed.
13) Run engine until radiator fan motor is operated.
14) Stop engine and wait until engine comes cooled
down to help avoid danger of being burned.
15) Add coolant to radiator up to bottom of radiator filler
neck, and install radiator cap, making sure that the
ear of cap lines is parallel to radiator.
16) Repeat Step 12) through 15).
17) Confirm that reservoir coolant level is "FULL" level
mark (3). If coolant is insufficient, repeat Step 9) and
Cooling Water Pipes or Hoses Removal and
1) Drain coolant referring to "Cooling System Draining".
2) To remove these pipes or hoses, loosen clamp on
each hose and pull hose end off.
Install removed parts in reverse order of removal
procedure, noting the following.
• Tighten each clamp securely referring to "Cooling
System Components".
• Refill cooling system referring to Step 7) to 17) of
"Cooling System Flush and Refill".


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