heating LAMBORGHINI GALLARDO 2009 Workshop Manual

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3UHOLPLQDU\RSHUDWLRQV • Empty the engine coolant circuit  .
•  'LVDVVHPEOHWKHUHDUDQGFHQWUHYHKLFOHÀRRUV  .
• Disassemble the propeller shaft  .
'LVDVVHPEOLQJWKHFRRODQWWDQN Nourice) connection pipe
1. Disconnect the cooling circuit pipes behind the engine ( A-Fig.34)ORRVHQLQJWKHVSHFL¿FFODPSV .
2. /RRVHQWKHVSHFL¿FFODPSWRGLVFRQQHFWWKHSLSH (B-Fig.34 ) originating from the engine cooling circuit pump.
3. Disconnect the union ( C-Fig.34) to the hot water pump connection pipe.
4. Disconnect the union ( ')LJ) to the heating system pipe.
5. Disconnect the joint ( ()LJ) to the pipe originating from the coolant tank ( Nourice  ORRVHQLQJ WKH VSHFL¿F
clamp.
6. Loosen the four screws securing the pipe ( F-Fig.34).
7.  ([WUDFW the coolant tank ( Nourice) connection pipe ( G-Fig.34).

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$VVHPEOLQJWKHFRRODQWWDQN Nourice) connection pipe
1. Position the coolant tank ( Nourice) connection pipe ( A-Fig.34).
2.  )DVWHQWKHVSHFL¿FFODPSWRFRQQHFWWKHSLSH B-Fig.34) originating from the engine cooling circuit pump.
3. Connect the union ( C-Fig.34) to the hot water pump connection pipe.
4. Connect the union ( D-Fig.34) to the heating system pipe.
5.  )DVWHQ WKH VSHFL¿F FODPS WR FRQQHFW WKH MRLQW E-Fig.34) to the pipe originating from the coolant tank
( Nourice ).
 Tighten the four screws securing the pipe ( F-Fig.34).
7.  )DVWHQWKHVSHFL¿FFODPSVWRFRQQHFWWKHFRROLQJFLUFXLWSLSHVEHKLQGWKHHQJLQH G-Fig.34).
• Fill the engine coolant circuit  .
• Assemble the propeller shaft  .
•  $VVHPEOHWKHUHDUDQGFHQWUHYHKLFOHÀRRUV  .

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Air conditioning system
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to the values set by the driver and the passenger. The air conditioning system has the following features:•
automatic temperature-ventilation-air distribution control
• recirculation
•  DLUÀRZGLVWULEXWLRQ
The system’s operation is controlled by a special electronic control unit set by the driver and passenger on the
control unit’s push-button panel.
The system has an air conditioning unit ( B-Fig.1 WKDWPRGL¿HVWKHWHPSHUDWXUHDQGKXPLGLW\RIWKHDLUHQWHULQJWKH
vehicle by means of two radiators (driver and passenger side) connected to a heating system that receives heat from
the engine (green lines) and an evaporator, part of an air conditioning system (red and blue lines).
Air conditioner diagram (Fig.1)
A. Air conditioner control unit
B. Air conditioning unit
C. Engine coolant pump
D. Engine
E. Air conditioner compressor
F. Air conditioner pressure sensor
G. Condenser

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The air conditioning unit has two parts: •
ventilation unit outside the passenger compartment in the luggage compartment, equipped with an air
conveyor
• heating, cooling, and air distribution unit inside the passenger compartment under the dashboard
Air conditioning unit (Fig.2)
A. Heating, cooling, and air distribution unit
B. Ventilation unit
The ventilation unit takes in external air through the conveyor by means of a fan and sends it to the heating, cooling
and distribution unit. The fan is also used to recirculate the air inside the passenger compartment.The fan has:• an intake air temperature sensor
•  WKUHHÀDSVIRUWKHLQFRPLQJH[WHUQDODLUPRYHGE\DVLQJOHDFWXDWRU IUHVKÀDS DQGRQHIRULQWHUQDODLUPRYHG
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The unit has a drain pipe for draining rain water that enters the unit.
Ventilation unit (Fig.3)
A. Fan
B. Intake air temperature sensor
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I. Conveyor that sends air to heating, air conditioning and air distribution unit

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The heating, air conditioning and air distribution unit is “dual zone” with: •
a heater battery ( A-Fig.4) divided into two zones, each supplied by the engine coolant by means of an
independent valve
• an evaporator ( B-Fig.4) for air conditioning connected to the air conditioning system R
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The heating, air conditioning and air distribution unit includes: • PRWRUL]HGÀDSVIRUYHQWLODWLRQDQGGLVWULEXWLRQFRQWURO
• internal and outside temperature sensors for temperature control
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D. RH radiator temperature sensor
E. Evaporator temperature sensor (deicer)
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G. Cold air actuator for center vents
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M. Evaporator expansion valve
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3  Radiator outlet
R. Center vents actuator
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The outside air (or recirculation air) enters the heating, ventilation and air distribution unit where it is treated with
KHDW LQWHUFHSWHG DQG WHPSHUHG E\ D VHULHV RI PRWRUL]HG ÀDSV WKDW GLUHFW WKH ÀRZ WRZDUG FKDQQHOV FRQQHFWHG WRvarious passenger compartment vents.

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• Disassembling the propeller shaft (030703).
• Empty the air conditioning system (026007).
• Empty the coolant circuit (012107).
• Disassembling the center console end panels (086303).
• Disassembling the center console ornament (086303).
• Disassembling the BJA push-button panel (086803).
• Disassembling the air conditioner grille (081603).
• Disassembling the air conditioner control unit (081603).
• Disassembling the multimedia system (097503).
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To disassemble the air conditioning system pipes it is necessary to simultaneously disassemble the heating
system pipes. condizionamento deve essere realizzato con il contestuale smontaggio dei tubi dell’impianto
di riscaldameto.
'LVDVVHPEOLQJSLSHV,DQG,LQVLGHWKHSDVVHQJHUFRPSDUWPHQW 1.  2Q WKH ULJKW VLGH RI WKH SDVVHQJHU FRPSDUWPHQW ORRVHQ WKH ¿[LQJ VFUHZ $)LJ) to disconnect the two air
conditioning system pipes I1and I2.
 2QWKHOHIWVLGHRIWKHSDVVHQJHUFRPSDUWPHQWORRVHQWKHVSHFL¿FFODPSV &)LJ) to remove the 3 sleeves
( %)LJ ) on the heating system.

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4. Working inside the passenger compartment, remove the pipe assembly ( ()LJ) by applying enough force
towards the inside.
5 . Remove the 2 air conditioning system pipes I1and I2from the seal ( ))LJ).

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2. Position the pipe assembly in its housing inside the passenger compartment and pull the tabs to adjust the
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