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Evaporator Temperature Sensor Inspection; Expansion Valve Removal And Installation; Expansion Valve Inspection - Suzuki SX4 Service Manual

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7B-28 Air Conditioning System: Manual Type

Evaporator Temperature Sensor Inspection

Check resistance between terminals of evaporator
temperature sensor (1).
If check results are as not specified, replace evaporator
temperature sensor.
Evaporator temperature sensor resistance
0 °C (32 °F): 6.6 – 6.8 kΩ
25 °C (77 °F): 2.0 – 2.1 kΩ
1
(kΩ)
6.75
[A]
2.00
0
32
[A]: Resistance
S7RW0A7216011
(˚C)
25
(˚F)
77
[B]
I7RW01721020-01
[B]: Temperature

Expansion Valve Removal and Installation

Removal
1) Recover refrigerant from the A/C system with
recovery and recycling equipment referring to
"Recovery" in "Operation Procedure for Refrigerant
Charge: Manual Type".
2) Loosen a bolt (1) and remove pipes from expansion
valve (2).
3) Loosen bolts (3) and remove expansion valve.
Installation
Reverse removal procedure noting the following
instructions.
• Apply compressor oil to O-ring of expansion valve and
pipes.
• Tighten expansion valve bolts to specified torque.
Tightening torque
Expansion valve bolt: 4.5 N·m (0.45 kgf-m, 3.5 lb-
ft)
• Evacuate and charge the A/C system referring to
"Evacuation" and "Charge" in "Operation Procedure
for Refrigerant Charge: Manual Type".

Expansion Valve Inspection

Refer to "A/C System Performance Inspection: Manual
Type".
S7RW0A7216012
1
3
2
2
I4RS0A720028-01
S7RW0A7216013

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