Climate Units - Removal, Replacement and Installation: Maintenance Volvo V50 I рестайлинг

DRAINING THE AIR CONDITIONING (A/C) SYSTEM

Read the instructions for slow and fast leaks acc. to AC-SYSTEM, OIL, REFILLING .

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

Drain the refrigerant from the AC-system acc. to REFRIGERANT, DRAINING .

Scheme 14

Remove the expansion tank cap.

Raise the vehicle.

Remove the shield under the vehicle. It is secured with 7 clips as shown.

Install a hose on the nipple at the radiator.

Feed the hose down to a container.

Open the nipple. Drain off the engine coolant.

Scheme 15

Remove the dashboard. See DASHBOARD .

Scheme 16

Remove

1. the 2 screws and remove the right-hand half of the lead-in as shown.
2. the section that holds the heat exchanger and evaporator pipes apart.

Scheme 17

Lift up both air conditioning (A/C) hoses from their mountings below the right-hand spring strut turret.

Remove the 1 screw securing the air conditioning (A/C) pipes to the evaporator as shown.

Pull the pipes off from the evaporator connection.

Separate the pipes to the hear exchanger as follows

For cars with split pipes, -2005 (LHD) see HEAT EXCHANGER (2005) or HEAT EXCHANGER (2006-11)

For cars with complete pipes, -2006 (LHD) see HEAT EXCHANGER (2006-11) or HEAT EXCHANGER (2005)

For cars with split pipes, -2005 (RHD) see HEAT EXCHANGER (2006-11) or HEAT EXCHANGER (2005) .

For cars with complete pipes, -2006 (RHD) see HEAT EXCHANGER (2005) or HEAT EXCHANGER (2006-11)

Scheme 18

Remove

1. the drainage hose from the lower connection on the right-hand side under the heat exchanger housing
2. the climate control unit.

Note. For tightening torques, see TIGHTENING TORQUE .

DRAINING THE AIR CONDITIONING (A/C) SYSTEM AND REMOVING COMPONENTS

Read the instructions for slow and fast leaks acc. to AC-SYSTEM, OIL, REFILLING .

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

Drain the refrigerant from the air conditioning (A/C) system. See REFRIGERANT, DRAINING .

Remove

1. right-hand front headlamp. See «HEADLAMP BULB»(ref-466694-S21846617992012042500000) (2005-06) or «HEADLAMP BULB»(ref-466694-S03058209552012042500000) (2008-11)
2. the bumper shell. See «COVER BUMPER FRONT»(ref-466905-S37066065782012042500000) (2005-07) or «COVER BUMPER FRONT»(ref-466905-S33018680442012042500000) (B5244S4; B5244S7; 2010).

Remove

1. the front edge of the right-hand fender liner
2. the plastic nut, x1
3. the retaining clip against the engine cover under the vehicle.

DRAINING THE A/C SYSTEM

Read the instructions for slow and fast leaks acc. to AC-SYSTEM, OIL, REFILLING .

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

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

Drain the refrigerant from the air conditioning (A/C) system. See REFRIGERANT, DRAINING .

Scheme 19

Clean the join thoroughly.

Slacken off the cap nut.

Note. Make a note of the position of the expansion valve in the pipe.

Pull or work out the expansion valve as shown. It is not screwed in place.

HINT: The expansion valve can be removed using round-nosed pliers.

Scheme 20

(A) shows an approved expansion valve.

If 4 or 5 filter sections in the expansion valve are clogged (B) , the compressor oil must be inspected.

If the filter is extremely clogged or if it contains a large volume of metal particles, the compressor may need to be replaced.

If the compressor oil is black or very dirty, replace the compressor.

If the compressor is dry, replace the compressor.

DRAINING REFRIGERANT

Drain the refrigerant from the system. See REFRIGERANT, DRAINING .

Scheme 21

Remove the needle valve in the service valve. Use see 9511204 .

Read the instructions for slow and fast leaks acc. to AC-SYSTEM, OIL, REFILLING .

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

Drain the refrigerant from the air conditioning (A/C) system. See REFRIGERANT, DRAINING .

DRAINING THE AIR CONDITIONING (A/C) SYSTEM AND REMOVING THE COVER

Read the instructions for slow and fast leaks acc. to AC-SYSTEM, OIL, REFILLING .

Note. Plug the pipes and connections when working on the climate control system (air conditioning).

Drain the refrigerant from the AC-system acc. to REFRIGERANT, DRAINING .

Raise the vehicle.

Remove the drive belts. See ACCESSORY DRIVE BELT TENSIONER .

Remove the cover under the vehicle. It is secured with 7 clips.

Scheme 22

Remove

1. the connector to the magnetic clutch
2. the pipe connections for the compressor (1) and (2).

Scheme 23

1. the 3 mounting screws for the compressor.

Remove the compressor.

Note. For tightening torques, see TIGHTENING TORQUE .

Read the instructions for slow and fast leaks acc. to AC-SYSTEM, OIL, REFILLING .

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

Drain the refrigerant from the AC-system acc. to REFRIGERANT, DRAINING .

Read the instructions for slow and fast leaks acc. to AC-SYSTEM, OIL, REFILLING .

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

Drain the refrigerant from the AC-system acc. to REFRIGERANT, DRAINING .

Read the instructions for slow and fast leaks acc. to AC-SYSTEM, OIL, REFILLING .

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

Drain the refrigerant from the AC-system acc. to: REFRIGERANT, DRAINING .

Read the instructions for slow and fast leaks acc. to AC-SYSTEM, OIL, REFILLING .

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

Drain the refrigerant from the AC-system acc. to REFRIGERANT, DRAINING .

DRAINING COOLANT AND REMOVING THE COVER

Remove the expansion tank cap.

Raise the vehicle.

Remove the shield under the vehicle. It is secured with 7 clips as shown.

Install a hose on the nipple at the radiator.

Feed the hose down to a container.

Open the nipple. Drain off the engine coolant.

Disconnect the quick-release connectors for the cooler hoses at the cowl panel in the engine compartment.

REMOVING COMPONENTS AND DRAINING THE ENGINE COOLANT

Remove the expansion tank cap.

Raise the vehicle.

Remove the shield under the vehicle. It is secured with 7 clips as shown.

Install a hose on the nipple at the radiator.

Feed the hose down to a container.

Open the nipple. Drain off the engine coolant.

Scheme 24

Disconnect the engine coolant hose (1). Plug the opening to prevent the remaining coolant in the heater running out in an uncontrolled way.

Place paper under the engine coolant heater to collect any engine coolant spillage.

Remove

1. the connector (2) for the engine coolant heater
2. the fuel line (3) from the clip below the heater.

Open the holder (4) for the radiator hoses behind the engine to expose the lower radiator hose running down to the water pump.

Remove the exhaust pipe from the engine coolant heater. See FUEL FIRED BOOSTER HEATER EXHAUST PIPE (2005-09) .

Scheme 25

Disconnect the connector for the water pump.

HINT: Mark the location of the upper hose on the water pump.

Position a container below the water pump to collect any spilled engine coolant.

Disconnect the upper hose, as shown. Plug the opening.

Scheme 26

Remove

1. the mounting screw for the engine coolant heater as shown
2. the bracket for the connector.

Angle out the top edge of the engine coolant heater.

Place paper around the upper fuel connection on the engine coolant heater.

Disconnect the fuel hose.

HINT: Use see 9512619 to detach and secure the clamps.

Lift up the engine coolant heater.

DRAINING THE ENGINE COOLANT

Remove the expansion tank cap.

Open the holder for the radiator hoses behind the engine to expose the lower radiator hose to the water pump.

Raise the vehicle.

Remove the shield under the vehicle. It is secured with 7 clips as shown.

Install a hose on the nipple at the radiator. Feed the hose down to a container. Open the nipple and drain off the coolant.

Scheme 27

Remove

1. the screw holding the water pump and rubber mounting as shown.
2. the connector.

Pull the water pump forward a little.

HINT: Mark the location of the hoses at a suitable point on the water pump.

Install hose clips on both coolant hoses, as close to the water pump as possible. Position a container under the water pump.

Disconnect the hoses.

Note. For tightening torques, see TIGHTENING TORQUE .

Scheme 28

The water pump for the engine coolant heater has a rubber-mounted mounting. The lower section is hooked onto the mounting bracket on the vehicle.

Install

1. the hoses using new hose clamps according to any markings. Remove the hose clips
2. the water pump and mounting, 1 x M6. Tighten HINT: Hook the lower reverse of the rubber mounting in the mounting. This facilitates locating the thread hole and correct mounting.
3. the connector.

Close the drain nipple. Remove the hose.

Fill with coolant. Run the engine until the thermostat opens. Top up if necessary.

Remove the expansion tank cap.

Open the holder for the radiator hoses behind the engine to expose the lower radiator hose to the water pump.

Raise the vehicle.

Remove the shield under the vehicle. It is secured with 7 clips as shown.

Install a hose on the nipple at the radiator. Feed the hose down to a container. Open the nipple and drain off the coolant.