Suzuki VLR1800, Service Manual

Page: 341 / 624

Engine Cooling System: 1F-17
Impeller / Shaft
Visually inspect the impeller and its shaft for damage.
Replace the impeller or shaft if necessary.
Impeller Shaft Journal
Visually inspect the journal for damage or scratch.
Replace the water pump body if necessary.
Specifications
Service Data
B822H11607001
Ther Ra Fan + Coolant
Tightening Torque Specifications
B822H11607002
NOTE
The specified tightening torque is also described in the following.
“Water pump Components (Page 1F-11)”
Reference:
For the tightening torque of fastener not specified in this section, refer to “Tightening Torque List in Section 0C
(Page 0C-8)”.
I822H1160054-01 I822H1160055-01
Item Standard Note
Thermostat valve opening
temperature
Approx. 88
°
C (190
°
F) —
Thermostat valve lift Over 8 mm (0.31 in) at 100
°
C (212
°
F) —
ECT sensor resistance
20
°
C
(68
°
F)
Approx. 2.45 k
Ω
—
50
°
C
(122
°
F)
Approx. 0.811 k
Ω
—
80
°
C
(176
°
F)
Approx. 0.318 k
Ω
—
110
°
C
(230
°
F)
Approx. 0.142 k
Ω
—
Radiator cap valve opening
pressure
93 – 123 kPa (0.93 – 1.23 kgf/cm 2 , 13.2 – 17.5 psi) —
Cooling fan operating temperature
OFF
→
ON Approx. 105
°
C (221
°
F) —
ON
→
OFF Approx. 100
°
C (212
°
F) —
Engine coolant type
Use an antifreeze/coolant compatible with aluminum
radiator, mixed with distilled water only, at the ratio of
50:50.
—
Engine coolant
Reservoir
tank side
Approx. 250 ml (0.3/0.2 US/lmp qt) —
Engine side Approx. 2 400 ml (2.5/2.1 US/lmp qt) —
Fastening part
Tightening torque
Note
N
⋅
m kgf-m lb-ft
Impeller securing bolt 8 0.8 6.0 ) (Page 1F-16)
Water pump case screw 5.5 0.55 4.0 ) (Page 1F-16)