engine LAMBORGHINI GALLARDO 2009 Workshop Manual

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%  'LVDVVHPEOLQJWKHUHDUULJKWDQGOHIWR[\JHQVHQVRUV 3UHOLPLQDU\RSHUDWLRQV•Disassemble the engine aesthetic panels (engine bay) (081303).
• 5HPRYHWKHDLU¿OWHUXQLW (013303).
Disassembling WKHUHDUULJKWDQGOHIWR[\JHQVHQVRUV
1.  5HPRYH WKH VXSSRUWV IURP WKHLU FRXSOLQJV DQG GLVFRQQHFW WKH FRQQHFWRUV A-Fig.1) of the 2 oxygen sensors
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2.  8QVFUHZDQGUHPRYHWKHR[\JHQVHQVRUV (B-Fig.1 ).

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properly.
$  $VVHPEOLQJWKHIURQWULJKWDQGOHIWR[\JHQVHQVRUV 1. Tighten the 2 front oxygen sensors (one each side) ( A-Fig.1).
2 . Connect the connectors ( B-Fig.1 RIWKHR[\JHQVHQVRUVDQGORFNWKHPLQWRWKHLU¿[LQJVXSSRUWV
3 . Position the central cross member ( C-Fig.2) and fasten with eight screws ( D-Fig.2).
4  )DVWHQWKHSRZHUVWHHULQJRLOWDQN E-Fig.2 XVLQJWKHWKUHHVFUHZV F-Fig.2).
•  $VVHPEOHWKHYDFXXPWDQN (061105).
• Assemble the rear wheel arches (082105).
• Assemble the rear tyres (060105).
•  $VVHPEOHWKHDLU¿OWHUXQLW (013305).
•  $VVHPEOHWKHHQJLQHDHVWKHWLFSDQHOV Engine Bay)(081305) .

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%  $VVHPEOLQJWKHUHDUULJKWDQGOHIWR[\JHQVHQVRUV 1. 6FUHZRQWKHR[\JHQVHQVRUV RQHSHUVLGH  A-Fig.1).
2. Connect the connectors ( B-Fig.1 RIWKHR[\JHQVHQVRUVDQGORFNWKHPLQWRWKHLU¿[LQJVXSSRUWV
• $VVHPEOHWKHDLU¿OWHUXQLW (013305).
• $VVHPEOHWKHHQJLQHDHVWKHWLFSDQHOV Engine Bay)(081303) .

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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
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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 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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Air conditioning system
The evaporator inside the air conditioning unit is powered by a compressor located next to the engine. The system’s
condenser is installed in front of the right front radiator of the engine’s cooling system.The coolant used by the air conditioning system is R134a.
Air conditioning system (Fig.6)
A.
Air conditioning unit
B. Compressor
C. Condenser
D. Receiver-drier
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F. Coolant pressure sensor

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Air conditioner control unit
The automatic dual zone control unit is built into the push-button panel on the console. It separately controls the following parameters on the LH and RH sides of the passenger compartment:
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Seat temperature (if function is present)
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These parameters, except for the temperature, are manually controlled by pressing the relative buttons (an LED comes on) and using the knobs (A-Fig.9). The display ( B-Fig.9) shows the value.
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  7KHWHPSHUDWXUHFDQEHDGMXVWHGEHWZHHQƒ&DQGƒ&,IWKHSURJUDPPHGYDOXHH[FHHGVWKHVHOLPLWV on the display, LOor HI appears and the temperature is no longer adjusted.
The
button completely blocks air from entering the passenger compartment.
The
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side windows as quickly as possible. The
button excludes the air conditioner. As a result, the passenger compartment temperature cannot be
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button activates automatic operation. The temperature, the amount and distribution of the air are
automatically controlled to achieve the desired passenger compartment temperature as quickly as possible and to maintain it.
Ventilation is possible in the passenger compartment even when the engine key is on OFF by simply keeping the
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The control unit continuously adjusts the system according to driver and passenger requests (RH and LH). In particular:•It acquires information on internal (RH and LH) and outside temperature and on solar irradiation intensity by
means of special sensors.
• It sets the speed of the air entering the passenger compartment by means of the fan.
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• It controls air recirculation by means of an actuator.
• It controls the incoming hot air temperature by means of two solenoid valves (RH and LH) and a circulation
pump.
• It controls compressor activation.
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The control unit ( A-Fig.10) implements the heat regulating strategies according to input received from the following
sensors:• outside air temperature ( B-Fig.10)
• internal air temperature (RH and LH) ( C-Fig.10)
• Vent outlet air temperature ( D-Fig.10)
• Solar irradiation ( E-Fig.10)
The control unit memory contains a resident program, composed of a set of strategies, each of which manages a VSHFL¿FIXQFWLRQRIWKHFRQWUROV\VWHP
The strategies process a set of parameters by means of the above inputs and memorized data maps. These
parameters control the system actuators (outputs), that is those devices causing the system to reach and hold a comfortable temperature inside the passenger compartment. The devices are the following:• Air distribution actuator ( F-Fig.10)
• Motor fan ( G-Fig.10)
• Recirculation actuator ( H-Fig.10)
•  (QJLQHFRRODQWÀRZUDWHVROHQRLGYDOYHV I-Fig.10)
• Engine coolant pump ( L-Fig.10)
• Compressor ( M-Fig.10)

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* $&FRPSUHVVRUGLVDVVHPEO\ 3UHOLPLQDU\RSHUDWLRQV • Remove the vehicle engine (010003).
• Remove the left exhaust manifold (013103).
'LVDVVHPEOLQJWKHFRPSUHVVRU1. Disconnect the delivery pipes ( $)LJ) and the intake pipes ( %)LJ) from the compressor by removing the
screws ( &)LJ ).
2. Disconnect the connector ( ')LJ).
3. Remove the 3 screws ( ()LJ) that secure the compressor to the engine.
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4. Remove the clamp ( *)LJ), releasing its rubber covering ( +)LJ).
5. Extract the compressor complete with the control shaft toward the front part of the car.
6. Disassemble the shaft, loosening the lock nut ( ,)LJ) and unscrewing the shaft from the compressor’s
housing.

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5($53$57 3UHOLPLQDU\RSHUDWLRQV •
Remove the entire engine (010003).
•  'LVDVVHPEOHWKHIURQWFHQWUHDQGUHDUÀDWÀRRUV (082503).
• Disassemble the propeller shaft (030703).
'LVDVVHPEOLQJSLSH3 1. Loosen the screw ( $)LJ) securing the union on pipe 3to pipe C1.
2. Loosen the screws ( %)LJ) securing the pipe fastening clamps to the chassis.

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