Mazda 2: Magnetic Clutch

MAGNETIC CLUTCH DISASSEMBLY/ASSEMBLY

1. Assemble in the reverse order of disassembly.

Mazda 2. MAGNETIC CLUTCH DISASSEMBLY/ASSEMBLY

  1. Bolt
  2. Washer
  3. Pressure plate
  4. Shim
  5. Snap ring (1)
  6. A/C compressor pulley
  7. Snap ring (2)
  8. Stator
  9. A/C compressor body

2. Assemble in the reverse order of disassembly.

3. Adjust the magnetic clutch clearance. (See MAGNETIC CLUTCH ADJUSTMENT [MANUAL AIR CONDITIONER] ).

Bolt Removal/Installation Note

1. When removing or installing the bolt, lock the A/C compressor pulley against rotation using the following procedure.

CAUTION:

a. Apply battery positive voltage to the magnetic clutch terminal and connect the A/C compressor body to the ground.

Mazda 2. MAGNETIC CLUTCH DISASSEMBLY/ASSEMBLY

b. Wrap the drive belt, which is no longer of use, tightly around the A/C compressor pulley.

Mazda 2. MAGNETIC CLUTCH DISASSEMBLY/ASSEMBLY

c. Hold the drive belt in place with pliers.

d. Remove or install the bolt.

Tightening torque

A/C Compressor Pulley Removal Note

1. Remove the A/C compressor pulley using the SST (49 0839 425C, 49 U027 001).

Mazda 2. MAGNETIC CLUTCH DISASSEMBLY/ASSEMBLY

CAUTION:

Mazda 2. MAGNETIC CLUTCH DISASSEMBLY/ASSEMBLY

NOTE:

A/C Compressor Pulley Installation Note

1. Set the SSTs (49 0829 425C (HEAD), 49 B018 003) as shown in the figure.

Mazda 2. MAGNETIC CLUTCH DISASSEMBLY/ASSEMBLY

2. Insert the compressor pulley to the position shown in the figure using the SSTs (49 0829 425C (HEAD), 49 B018 003) and a plastic hammer.

Mazda 2. MAGNETIC CLUTCH DISASSEMBLY/ASSEMBLY

CAUTION:

Mazda 2. MAGNETIC CLUTCH DISASSEMBLY/ASSEMBLY

3. Set the SSTs (49 0829 425C (HEAD), 49 B018 003) as shown in the figure.

Mazda 2. MAGNETIC CLUTCH DISASSEMBLY/ASSEMBLY

4. Insert the compressor pulley using the SSTs (49 0829 425C (HEAD), 49 B018 003) and a plastic hammer.

Mazda 2. MAGNETIC CLUTCH DISASSEMBLY/ASSEMBLY

Snap Ring (2) Installation Note

1. When installing a stator, replace the snap ring (2).

Mazda 2. MAGNETIC CLUTCH DISASSEMBLY/ASSEMBLY

Snap Ring (1) Installation Note

1. When installing a new pressure plate, A/C compressor pulley, stator, or A/C compressor body, replace the snap ring (1).

Mazda 2. MAGNETIC CLUTCH DISASSEMBLY/ASSEMBLY

Shim Installation Note

1. First, insert the 1 mm (0.039 in) thick shim into the shaft.

Mazda 2. MAGNETIC CLUTCH DISASSEMBLY/ASSEMBLY

MAGNETIC CLUTCH ADJUSTMENT

1. Measure the clearance around the entire circumference between the pressure plate and A/C compressor pulley using a thickness gauge.

Mazda 2. MAGNETIC CLUTCH ADJUSTMENT

2. Verify that the clearance is within the specification.

Magnetic clutch clearance

Mazda 2. MAGNETIC CLUTCH ADJUSTMENT

MAGNETIC CLUTCH INSPECTION

1. Connect battery positive voltage to terminal A of magnetic clutch and ground to A/C compressor body.

Mazda 2. MAGNETIC CLUTCH INSPECTION

Mazda 2. MAGNETIC CLUTCH INSPECTION

2. Verify that the magnetic clutch operates.

EVAPORATOR TEMPERATURE SENSOR REMOVAL/INSTALLATION

1. Remove the evaporator temperature sensor from the A/C unit. (See A/C UNIT DISASSEMBLY/ASSEMBLY).

EVAPORATOR TEMPERATURE SENSOR INSPECTION

1. Set the fan speed MAX HI.

2. Set the temperature control at MAX COLD (Turn left).

3. Set the RECIRCULATE mode.

4. Turn the A/C switch off.

5. Close all doors and windows.

6. Wait for 5 min.

7. Disconnect the evaporator temperature sensor connector.

8. Measure the temperature at the blower inlet.

9. Measure the resistance between terminals of the evaporator temperature sensor.

Mazda 2. EVAPORATOR TEMPERATURE SENSOR INSPECTION

READ NEXT:

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 Climate Control Unit

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