Climate Control Unit, Replacing: Notes

Special tools:

PREPARATIONS

NOTE:

Read off data from the control module before replacing the control module. This is carried out via VIDA (Volvo Scan Tool) vehicle communication. After replacing the control module, the relevant parameters must be programmed into the new control module.

BEFORE STARTING WORK ON THE CLIMATE CONTROL SYSTEM

CAUTION:

Follow the safety instructions for work on air conditioning systems, see REFRIGERANT, SAFETY REGULATIONS .

NOTE:

First read the instructions covering slow and fast leaks. See OIL IN THE A/C SYSTEM .

NOTE:

Always plug pipes and connectors when working on the climate control system.

REMOVAL

First read section, see PREPARATIONS under, see CLIMATE CONTROL UNIT, REPLACING .
Work in the engine compartment
Disconnect the battery lead. See BATTERY, REPLACING .
Drain the refrigerant from the system. See REFRIGERANT, DRAINING .

Fig 1: Heater Hoses From Heat Exchanger

Courtesy of VOLVO CARS CORPORATION

Clamp the heating hoses using lock grip pliers see 1158957
Disconnect the heater hoses from the heat exchanger by pressing in the hose connector. Turn it to the side so that the hose can be pulled out.
Plug the pipes for the heat exchanger.
the cover plate and the rubber seal for the lead-in.

Fig 2: Identifying Windshield Wiper, Cowl, Gutter & Rain Protection

Courtesy of VOLVO CARS CORPORATION

Fig 3: Identifying Center Console A-Post Screws

Courtesy of VOLVO CARS CORPORATION

Remove:

the windscreen wiper. See WIPERS/WASHERS (2003-2004)
the cowl, gutter and rain protection. See COWL, REPLACING
the cover for the connectors in the engine compartment-passenger compartment
The screw for the member

Disconnect the connectors by screwing the connectors upwards so that the threads release. Then remove the connectors.

Additional work in the engine compartment on cars with air conditioning (A/C)

Fig 4: Heat Deflector Plate On Firewall

Courtesy of VOLVO CARS CORPORATION

Remove the heat deflector plate on the bulkhead. See REPLACING THE HEAT SHIELD FOR THE TXV VALVE .

Fig 5: Identifying Locking Bracket For Refrigerant Pipes

Courtesy of VOLVO CARS CORPORATION

Remove the locking bracket for the refrigerant pipes

Disconnect the refrigerant pipes from the expansion valve

Work in the passenger compartment

Remove:

The dashboard and center console. See DASHBOARD AND RADIO PANEL

NOTE:

Move the front seat as far back as possible. Protect the floor and sills.

The climate control unit and the member from the bodywork

Remove:

the steering column from the member: Remove the four screws which hold the steering column in place. Detach and fold down the steering column.

Fig 6: Identifying Center Console A-Post Screws

Courtesy of VOLVO CARS CORPORATION

the screws to the left and right of the A-post
the screws to the left and right of the center console

Fig 7: Air Ducts From Floor Heater Unit

Courtesy of VOLVO CARS CORPORATION

Remove:

the air ducts from the floor heater unit
the floor guttering on the left and right sides

Pull the member for the climate control unit backwards a little.

THE CLIMATE CONTROL UNIT FROM THE MEMBER IN THE PASSENGER COMPARTMENT

Fig 8: Identifying Passenger Side Cable Duct Tie Straps

Courtesy of VOLVO CARS CORPORATION

Remove:

the tie strap for the cable duct on the passenger side

Remove:

the cable duct behind and above the climate control unit and on the driver's side

Fig 9: Identifying Climate Control Unit & Connecting Member Screws (Left & Right)

Courtesy of VOLVO CARS CORPORATION

Remove:

the 2 screws from the climate control unit-member on the passenger side
the screws connecting the member to the climate control unit on the left and right-hand sides

Remove:

the switch for the blower fan motor

Lift:

the cable duct behind / above the member on the passenger side
the cable duct above and behind the mounting for the member

Fig 10: Identifying Climate Control Unit Member

Courtesy of VOLVO CARS CORPORATION

Loosen:

the member from the climate control unit

Hold up the member and cable duct on the passenger side. Remove the climate control unit on the passenger side.

NOTE:

Two people required.