Evaporator high-pressure pipe, Z19
Evaporator high-pressure pipe, Z19 |
The evaporator's high-pressure pipe consists of two pipes running from the receiver via a joint by the console behind the right-hand headlamp to the expansion valve.
Important | ||
Be careful not to contaminate the expansion valve. |
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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
.
|
3. |
Detach the inlet hose with mass air flow sensor, without unplugging the connector, and place it on one side.
|
4. |
Unplug the connector.
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5. |
Remove the connector's mounting.
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6. |
Detach the front end of the high-pressure pipe from the joint by the console behind the right-hand headlamp and plug the openings.
|
7. |
Loosen and push aside the power-steering oil container.
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8. |
Detach the rear end of the high-pressure pipe from the expansion valve.
Plug the openings. |
9. |
Loosen the high-pressure pipe from the holders on the structure.
|
10. |
Carefully lift out the high-pressure pipe.
|
11. |
Hang up the left-hand section of the radiator core using
83 95 212 Strap
.
|
12. |
Raise the car.
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13. |
Remove the front cover.
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14. |
Remove the radiator core's left-hand mounting.
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15. |
Detach the pipes from the connection to the receiver and plug the openings.
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16. |
Loosen the pipe from the holders on the subframe and move it forward between the radiator and the subframe.
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To fit |
1. |
Position the front end of the high-pressure pipe. Move the pipe in between the radiator and the subframe.
|
2. |
Remove the plugs, replace and lubricate the O-rings on the high-pressure pipe with
Vaseline, Klüber Syntheso Pro AA2
.
|
3. |
Connect the pipe's PAD connections to the receiver.
Tightening torque: 8 Nm (5.9 lbf ft) |
4. |
Fasten the pipe with the holders on the subframe.
|
5. |
Fit the radiator core's mounting.
|
6. |
Remove the strap.
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7. |
Fit the front cover.
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8. |
Lower the car to the floor.
|
9. |
Position the rear end of the high-pressure pipe.
|
10. |
Remove the plugs, replace and lubricate the O-rings with
Vaseline, Klüber Syntheso Pro AA2
on both ends of the high-pressure pipe.
|
11. |
Connect the high-pressure pipe to the expansion valve.
Tightening torque: 8 Nm (5.9 lbf ft) |
12. |
Fit the power-steering oil container.
|
13. |
Fasten the pipe with the holders on the structure.
|
14. |
Adjust the oil level in the compressor. See
Filling and adjustment of compressor oil
.
Connect the high-pressure pipe to the joint on the console behind the right-hand headlamp. Tightening torque: 8 Nm (6 lbf ft) |
15. |
Fit the connector's mounting.
|
16. |
Plug in the connector.
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17. |
Fit the inlet hose and mass air flow sensor.
|
18. |
Evacuate the A/C system and fill with R134a refrigerant. See
Draining and filling of refrigerant
.
|