2009 LAMBORGHINI GALLARDO engine coolant
[x] Cancel search: engine coolantPage 326 of 1659
![LAMBORGHINI GALLARDO 2009 Workshop Manual 1
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L714 01 21 07
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Replacing the engine coolant
: $ 5 1 , 1 *
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3 U H O L P L Q D U \ R S H U D W L R Q V • Open the radiator expansion tank plug ( A-Fig.1).
• Raise the car on the car lift (000000).
• 5 H P R Y H W K H F H Q W H U D Q G U H D U F D U À R R U (082503).
Replacing the engine coolant1. Place a container under the vehicle in order to collect all the engine coolant.
2. Remove the 2 delivery pipes ( B-Fig.2) by loosening the clamps and let the coolant drain out.
3. Remove the return pipe ( C-Fig.2) by loosening its clamp and let the coolant drain out.
5 H V S H F W W K H H Q Y L U R Q P H Q W D Q G G L V S R V H R I H Q J L Q H F R R O D Q W D F F R U G L Q J W R F X U U H Q W O D Z V
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& 2 2 / $ 1 7 ) , / / , 1 *
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of burns!
1. Unscrew the plug ( A-Fig.1) of the expansion tank and top up with the prescribed type of coolant (000300) up to
50 ÷ 60 mm from the base of the cap.
2. Start the engine and run it at idle speed for some minutes leaving the radiator expansion tank plug open.
3. Adjust the air conditioner control to maximum heat and maximum fan speed (B-Fig.2); stop the engine and
check the coolant level through the radiator expansion tank plug; top up with coolant if necessary.
4. Close the cap
5. Wait for the engine to cool down (to below 80°C) and top up the coolant tank (Nourice) with the missing coolant.
6. Then tighten the radiator expansion tank plug.
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' ' L V D V V H P E O L Q J W K H F R Q Q H F W L R Q S L S H E H W Z H H Q W K H I X H O W D Q N V D Q G W K H D F W L Y H F D U E R Q ¿ O W H U & D Q L V W H U 3 U H O L P L Q D U \ R S H U D W L R Q V •Empty the fuel tank .
• Remove the engine aesthetic panels (Engine Bay) .
• Remove the coolant tank (Nourice) ( 012103).
' L V D V V H P E O L Q J W K H F R Q Q H F W L R Q S L S H E H W Z H H Q W K H I X H O W D Q N V D Q G W K H D F W L Y H F D U E R Q ¿ O W H U & D Q L V W H U 1. Disconnect the 2 connections ( $ ) L J R Q W K H S L S H I U R P W K H D F W L Y H F D U E R Q ¿ O W H U & D Q L V W H U D Q G R Q H % ) L J )
from the right fuel tank.
2. ' H W D F K W K H S L S H I U R P W K H ¿ [ L Q J F O D P S V & ) L J ).
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Air conditioning system
7 K H D L U F R Q G L W L R Q L Q J V \ V W H P S U R Y L G H G Z L W K W K H Y H K L F O H K R O G V W K H W H P S H U D W X U H D Q G D L U À R Z L Q W K H S D V V H Q J H U F R P S D U W P H Q W
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
• D L U À R Z G L V W U L E X W L R Q
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 W K D W P R G L ¿ H V W K H W H P S H U D W X U H D Q G K X P L G L W \ R I W K H D L U H Q W H U L Q J W K H
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
IGHT SIDE
L EFT SIDE
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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
E. & R R O D Q W ¿ O O L Q J G U D L Q L Q J Y D O Y H
F. Coolant pressure sensor
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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.
• , W F R Q W U R O V W K H R S H Q L Q J F O R V L Q J R I W K H D L U G L V W U L E X W L R Q À D S V
• 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.
• , W F R Q W U R O V U L J K W I D Q R S H U D W L R Q R Q W K H F R Q G H Q V H U U D G L D W R U
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 V S H F L ¿ F I X Q F W L R Q R I W K H F R Q W U R O V \ V W H P
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)
• ( Q J L Q H F R R O D Q W À R Z U D W H V R O H Q R L G Y D O Y H V I-Fig.10)
• Engine coolant pump ( L-Fig.10)
• Compressor ( M-Fig.10)
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3 U H O L P L Q D U \ R S H U D W L R Q V •Start the engine at idle speed with the hood closed for approximately 15 min. and with the A/C system fan
on maximum speed. This operation facilitates the movement of oil mixed with coolant and heats the system, preventing freezing during collection.
• Turn off the engine.
• Disassemble the engine compartment left side panels and remove the LIE control unit.
• Connect the LP pipe (BLUE) ( $ ) L J R I W K H G U D L Q H T X L S P H Q W D Q G U H ¿ O O W K H V \ V W H P D W W K H R X W O H W % ) L J ) on the
compressor’s intake pipe.
• Connect the HP pipe (RED) ( & ) L J R I W K H G U D L Q H T X L S P H Q W D Q G U H ¿ O O W K H V \ V W H P D W W K H R X W O H W ' ) L J ) on the
compressor’s delivery pipe.
' U D L Q L Q J W K H V \ V W H P 1. Activate the equipment’s coolant collection phase.
2. Drain the system slowly to prevent the formation of ice inside the expansion valve and oil leakage from the
compressor.
3. Check the amount of oil collected in the equipment’s container.
& U H D W L Q J W K H Y D F X X P 1. After draining the system completely, bleed the air from the coolant charging cylinder and system.
A vacuum of approximately
LP=-0.98 (bar) and HP=-0.2 (bar) in the system is required according to the device
used.
Check system tightness for at least 15 minutes after eliminating all the air from the system.