Thermostat Inspection - Suzuki VLR1800 Service Manual

1F-10 Engine Cooling System:
5) Remove the thermostat (3).
Installation
Install the thermostat in the reverse order of removal.
Pay attention to the following points:
• Install the thermostat.
NOTE
The jiggle valve "A" of the thermostat faces
upside.
• Tighten the thermostat connector bolts (1).
1
• Connect the water hoses securely. Refer to "Water
Hose Routing Diagram (Page 1F-3)".
• Pour engine coolant and bleed air from the cooling
circuit. Refer to "Cooling System Inspection in Section
0B (Page 0B-15)".
3
I822H1160021-01
"A"
I822H1160022-01
I822H1160024-03

Thermostat Inspection

Inspect the thermostat in the following procedures:
1) Remove the thermostat. Refer to "Thermostat
Removal and Installation (Page 1F-9)".
2) Inspect the thermostat pellet for signs of cracking.
3) Test the thermostat at the bench for control action.
CAUTION
!
• Do not contact the thermostat (1) and the
column thermometer (2) with a pan.
• As the thermostat operating response to
water temperature change is gradual, do
not raise water temperature too quickly.
• The thermostat with its valve open even
slightly under normal temperature must be
replaced.
4) Immerse the thermostat (1) in the water contained in
a beaker and note that the immersed thermostat is in
suspension.
5) Heat the water by placing the beaker on a stove and
observe the rising temperature on a thermometer
(2).
"A": String
B822H11606014
I822H1160025-02
I705H1160030-03
"B": Water