PRE-RELEASE
Compressor (4-cyl)
Compressor (4-cyl) |
To remove |
1. |
Place the car on a lift.
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2. |
Drain the refrigerant from the A/C system. See
Draining and filling of refrigerant
.
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3. |
Unplug the connector to the compressor located on the structure/console behind the right-hand headlamp.
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4. |
Relieve the tension on the multigroove V-belt by compressing and locking the belt tensioner with a 3 mm Allen key.
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5. |
Disconnect the inlet hose with mass air flow sensor without unplugging the connector and move it to one side.
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6. |
Remove the heat shield from the exhaust manifold.
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7. |
Loosen and move the by-pass pipe and valve out of the way.
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9. |
Remove the fan cowling, 2 bolts and 2 locating grooves.
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10. |
Disconnect and fold away the pressure hose from the turbo.
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11. |
Loosen the low-pressure pipe from the compressor and push it aside. Plug the openings.
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12. |
Loosen the high-pressure pipe from the compressor and push it aside. Plug the openings.
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13. |
Raise the car and remove the air shields. Remove the multigroove V-belt from the compressor.
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14. |
Unscrew the 3 compressor retaining screws, start with the top screw.
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15. |
Lift off the compressor from the mounting hook.
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To fit |
![](/images/9-5-9600/img-e8/e870r119.jpg)
1. |
Adjust the oil level in the compressor. See
Filling and adjustment of compressor oil
.
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2. |
Hang the compressor on the mounting hook.
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3. |
Screw on the compressor with retaining screws.
Tightening torque, M8: 24 Nm (18 lbf ft) Tightening torque, M10, 40 Nm (30 lbf ft) |
4. |
Fit the multigroove V-belt on the pulley and release the belt tensioner. Check that it is positioned correctly.
Mount the air shields and lower the car. |
5. |
Lubricate and fit the new O-rings to the compressor pipes.
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6. |
Connect the high-pressure pipe to the compressor, 1 bolt.
Tightening torque: 20 Nm (15 lbf ft) |
7. |
Connect the low-pressure pipe to the compressor, 1 bolt.
Tightening torque: 20 Nm (15 lbf ft) |
8. |
Connect the pressure hose to the turbo.
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9. |
Fit the fan cowling, 2 locating grooves and 2 bolts.
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10. |
Put back the hose brackets and plug in the radiator fan connectors on the fan cowling.
Cars with automatic transmission: Connect the oil cooler hose on the bottom of the fan cowling. |
11. |
Plug in the connector for the compressor and press it into the holder on the structure/console behind the right-hand headlamp.
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12. |
Fit the by-pass pipe and valve.
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13. |
Fit the heat shield.
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14. |
Fit the inlet hose and mass air flow sensor.
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15. |
Evacuate the A/C system and fill with R134a refrigerant. See
Draining and filling of refrigerant
.
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16. |
Running in the compressor to distribute the compressor oil in the system:
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Activate the A/C and let it run for at least 2 minutes at engine speed <1500 rpm.
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17. |
Test run the A/C system. See
Performance test, A/C system
.
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