Compressor low-pressure pipe (V6)
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Compressor low-pressure pipe (V6)
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The compressor's low-pressure pipe runs from the expansion valve via a joint to the compressor.
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Important
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Be careful not to contaminate the expansion valve.
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1.
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Place the car on a lift.
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2.
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Remove the right headlamp, direction indicator and grille.
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3.
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Drain the refrigerant from the A/C system, see
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4.
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Detach the inlet hose with mass air flow sensor without unplugging the contact and place it to one side.
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5.
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Detach the high-pressure pipe from the compressor and place it to one side.
Plug the openings.
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6.
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Detach the front end of the low-pressure pipe from the compressor.
Plug the openings.
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7.
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Detach the low-pressure pipe from the joint block on the right-hand structure by the service nipple.
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8.
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Remove the low-pressure pipe.
First, pull it down from the compressor under the car and then up.
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Note
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Make a note of how the pipe is positioned before removing it.
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9.
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Loosen and push aside the power-steering oil container.
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10.
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Detach the rear end of the low-pressure pipe from the expansion valve.
Plug the openings.
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11.
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Loosen the pipe from the holders on the structure.
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12.
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Carefully lift out the low-pressure pipe.
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1.
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Position the rear end of the low-pressure pipe in its correct location.
Adjust the oil volume in the compressor, see
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2.
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Remove the plugs and lubricate the O-rings on the low-pressure pipe.
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3.
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Connect the low-pressure pipe to the expansion valve.
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4.
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Fit the power-steering oil container.
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5.
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Fasten the pipe with the holders on the structure.
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6.
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Position the front end of the low-pressure pipe.
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Note
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Start by lowering the pipe from the structure out into the right-hand wing in front of the air filter, into the engine bay and up to the compressor above and behind existing pipes to the power steering inlet.
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7.
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Remove the plugs and lubricate the O-rings on the pipes to the compressor.
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8.
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Mount the O-ring on the connection towards the joint block, lubricate with synthetic vaseline.
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9.
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Press together the joint block and tighten.
Tightening torque: 8 Nm (5.9 lbf ft)
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10.
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Remove the plugs and lubricate the O-rings on the low-pressure pipe.
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Note
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Check that the low-pressure pipe is positioned correctly.
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11.
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Push the low-pressure pipe into the compressor and tighten it.
Tightening torque: 20 Nm (14.8 lbf ft)
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12.
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Fit an O-ring on the high-pressure pipe and lubricate with synthetic vaseline. Tighten down the high-pressure pipe.
Tightening torque: 20 Nm (14.8 lbf ft)
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13.
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Vacuum pump the A/C system and refill with refrigerant, see
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14.
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Connect the inlet hose to the mass air flow sensor.
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15.
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Fit the right headlamp, direction indicator and grille.
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