61A-38
HEATING
Distribution unit: Removal - Refitting
CLIMATE CONTROL
61A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aDrain the coolant circuit using the refrigerant
charging station (see 62A, Air conditioning, Re-
frigerant circuit: Draining - Filling, page 62A-8) .
aLock the airbag computer using the Diagnostic tool
(see Fault finding - Replacement of components)
(88C, Airbags and pretensioners).
aDisconnect the battery (see Battery: Removal - Re-
fitting) (80A, Battery).
aRemove:
-the windscreen wiper arms (see Windscreen wip-
er arm: Removal - Refitting) (85A, Wiping -
Washing),
-the scuttle panel grille (see Scuttle panel grille:
Removal - Refitting) (56A, Exterior equipment),
-the scoop under the scuttle panel grille (see Scoop
under the scuttle panel grille: Removal - Refit-
ting) (56A, Exterior equipment).a
aRemove:
-the bolt (1) from the expansion valve - compressor
connecting pipe.
-the bolt (2) from the condenser - expansion valve
connecting pipe.
aMove aside the connecting pipes.
aFit plugs to the openings. Special tooling required
Ms. 583Pipe clamps .
Mot. 1448Remote operation pliers for
hose clips .
Mot. 1202-01Clip pliers for hose clips
(large size).
Mot. 1202-02Clip pliers for hose clips
(small size)
Equipment required
refrigerant charging station
Diagnostic tool
IMPORTANT
To avoid all risk of damage to the systems, apply
the safety and cleanliness instructions and opera-
tion recommendations before carrying out any
repair (see 62A, Air conditioning, Air condition-
ing: Precautions for the repair, page 62A-1) .
119862
WARNING
To prevent moisture from entering the system,
place plugs on the cold loop components which
are open to the air.
WARNING
In order to avoid any refrigerant leaks, do not
damage (deform, twist, etc.) the pipe.
Note:
Use blanking plugs for the fuel circuits with part
no. 77 01 208 229 or 77 01 476 857 to plug any
openings exposed to the open air. They must be
clean. Do not use any which have already been
used to plug a fuel circuit.
