Thermostat Removal And Installation; Thermostat Inspection - Suzuki Swift Sport 2004 Service & Repair Manual

Thermostat Removal and Installation

Removal
1) Drain coolant referring to "Cooling System Draining".
2) Remove intake manifold referring to "Intake Manifold
Removal and Installation in Section 1D".
3) Remove generator referring to "Generator
Dismounting and Remounting in Section 1J".
4) Disconnect water hose (1) and heater hose (2) from
each pipe.
5) Remove thermostat case (3) with thermostat cap (4)
and water inlet pipe (5).
6) Remove water inlet pipe with thermostat cap from
thermostat case.
7) Remove thermostat from thermostat case (3).
Installation
Reverse removal procedure for installation noting the
following points.
• Install thermostat cap (1) to thermostat case (2) by
aligning match mark (3) of thermostat case with air
bleed valve (4) of the thermostat (5).
4
1
• Use new O-rings when installing.
• Adjust water pump belt tension referring to "Water
Pump / Generator Drive Belt Tension Inspection and
Adjustment in Section 1J".
• Adjust A/C compressor belt tension referring to
"Compressor Drive Belt Inspection and Adjustment in
Section 7B" or "Compressor Drive Belt Inspection and
Adjustment in Section 7B".
S7RS0B1606007
I3RM0A160007-01
3
2
5
I7RS0B160006-01
Engine Cooling System:
• Refill cooling system referring to Step 7) to 22) of
"Cooling System Flush and Refill".
• Verify that there is no coolant leakage at each
connection.

Thermostat Inspection

• Make sure that air bleed valve (1) of thermostat is
clean.
• Check to make sure that valve seat (2) is free from
foreign matters which would prevent valve from
seating tight.
• Check thermostat seal (3) for breakage, deterioration
or any other damage.
• Check thermostatic movement of wax pellet as
follows:
a. Immerse thermostat (1) in water, and heat water
gradually.
b. Check that valve starts to open at specific
temperature.
Temperature at which valve begins to open
80 – 84 °C (176 – 183 °F)
Temperature at which valve become fully open
95 – 97 °C (203 °F)
Valve lift
More than 8 mm at 95 °C (203 °F)
If valve starts to open at a temperature substantially
below or above specific temperature, thermostat unit
should be replaced with a new one. Such a unit, if
reused, will bring about overcooling or overheating
tendency.
2. Thermometer
1F-8
S7RS0B1606008
I3RM0A160008-01
I2RH01160012-01
3. Heater