volvo Workshop Repair Guides

Volvo Workshop Service and Repair Manuals

A/C - Air Flow Cycles From Floor To Defrost Vents/Noises|Page 17743 > < A/C - Air Flow Cycles From Floor To Defrost Vents/Noises|Page 17741
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Housing Assembly HVAC: Service and Repair

Climate units

Note! The illustrations in this service information are used for different model years and/or models. Some variation may occur. However, the
essential information in the illustrations is always correct.

Preparatory work

Draining the air conditioning (A/C) system

Warning! Follow the safety instructions for work on air conditioning systems. See: Refrigerant See: Service Precautions/Technician Safety
Information

Read the instructions for slow and fast leaks acc. to: AC-system, oil, refilling See: Service and Repair/AC-System, Oil, Refilling.

Caution! Always use new O-rings lubricated with compressor oil.

Note! Plug the pipes and connections when working on the climate control system.

Drain the refrigerant from the AC-system acc. to: Refrigerant, draining See: Service and Repair/Refrigerant, Draining.

Draining coolant and removing components

Remove the expansion tank cap.
Raise the vehicle.
Remove the shield under the vehicle. It is secured with 7 clips. See the illustration.
Install a hose on the nipple at the radiator.
Feed the hose down to a container.
Open the nipple. Drain off the engine coolant.

A/C - Air Flow Cycles From Floor To Defrost Vents/Noises|Page 17743 > < A/C - Air Flow Cycles From Floor To Defrost Vents/Noises|Page 17741