engine coolant LAMBORGHINI GALLARDO 2009 Owner's Manual
[x] Cancel search | Manufacturer: LAMBORGHINI, Model Year: 2009, Model line: GALLARDO, Model: LAMBORGHINI GALLARDO 2009Pages: 1659, PDF Size: 95.1 MB
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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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/ D P E R U J K L Q L 6 S $ E D V H G R Q F R S \ U L J K W O D Z $ O O R I W K H 3 ' ) F K D S W H U V L Q W K H : ( % Z R U N V K R S P D Q X D O V G H V F U L E H G E H O R Z D U H E D V H G R Q L Q I R U P D W L R Q D Y D L O D E O H D W W K H W L P H R I S X E O L F D W L R Q 7 K H F R P S D Q \ U H V H U Y H V
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Z U L W W H Q D X W K R U L ] D W L R Q I U R P $ X W R P R E L O L / D P E R U J K L Q L 6 S $
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.
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3 U H O L P L Q D U \ R S H U D W L R Q V •Disassemble the engine compartment left side panels .
• 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
F R P S U H V V R U ¶ V G H O L Y H U \ S L S H
, Q W U R G X F L Q J R L O D Q G O H D N G H W H F W R U G \ H
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) R U D O U H D G \ X V H G V \ V W H P V W K L V D P R X Q W H T X D O V W K H D P R X Q W R I F R R O D Q W W K D W Z D V F R O O H F W H G . H H S L Q P L Q G the amount of oil collected from any replaced components. 2 Q O \ ' ( 1 6 2 1 ' R L O P X V W E H X V H G
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5 H ¿ O O L Q J W K H V \ V W H P 1. Introduce 550 gr of R134a coolant.
) L Q D O R S H U D W L R Q V1. Start the engine with the air conditioner on LO Z L W K W K H H Q J L Q H D W D S S U R [ L P D W H O \ U S P I R U D S S U R [ L P D W H O \
P L Q X W H V W R D O O R Z F R P S U H V V R U R L O G L V W U L E X W L R Q L Q W K H F L U F X L W 9 H U L I \ S U R S H U R S H U D W L R Q R I W K H V \ V W H P
• Disconnect the LP-HP pipes.
• Assemble the engine compartment left side panels .
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% + H D W L Q J Z D W H U S X P S G L V D V V H P E O \ 7 K H K H D W L Q J V \ V W H P O R Z À R Z S X P S $ ) L J ) is located under the car tunnel.
3 U H O L P L Q D U \ R S H U D W L R Q V • Turn the air conditioner to “ON” at the minimum temperature (LO) to close the two solenoid valves that shut off
engine coolant to the air conditioner radiators (left and right).
• Raise the car on the car lift (000000).
• Remove the central and rear F D U À R R U V(082503).
• Remove the propeller shaft (030703).
• Drain W K H Z D W H U F R R O L Q J À X L G V (012107).
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1 R W H Prepare a suitable container for collecting the liquid that leaks when the pump’s pipes are disconnected.
1. Disconnect the connector ( $ ) L J ) L J ).
2. Disconnect the pump’s pipes ( % ) L J ) using the clamps ( & ) L J ) and plug the pipes.
3. Unscrew the 2 bolts of the 2 clamps that secures the pump to the bracket ( ' ) L J ) L J ).
4. Remove the heating system pump.
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5 ( $ 5 3 $ 5 7 3 U H O L P L Q D U \ R S H U D W L R Q V • Raise the vehicle on the car lift (000000).
• Empty the engine coolant tank (012107).
• Remove the wheels (060103).
• ' L V D V V H P E O H W K H I U R Q W F H Q W U H D Q G U H D U Y H K L F O H À R R U V (082503).
• Disassemble the propeller shaft (030703).
• Disassemble the front differential ).
' L V D V V H P E O L Q J W K H $ % 6 S L S H V 1. In the front section of the vehicle, unscrew the nuts ( $ ) L J ) securing front ABS pipes A3and A5to rear ABS
pipes 3 and 3 .
2. For right pipe 3 , disconnect the battery positive pole ( % ) L J ) and release the engine cooling pipe ( & ) L J ).
3. Remove right ABS pipe 3 by unscrewing the nut ( ' ) L J ) securing it to the right rear brake calliper.
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4. Position right ABS pipe 3 by tightening the nut ( ' ) L J ) securing it to the right rear brake calliper.
5. For right pipe 3 , connect the battery positive pole ( ( ) L J ) and secure the engine cooling pipe ( ) ) L J ).
6. Nella parte anteriore della vettura avvitare i dadi ( * ) L J F K H ¿ V V D Q R L W X E L $ % 6 D Q W H U L R U L A3eA5 ai tubi ABS
posteriori 3 e 3 .
• Fill the engine coolant circuit (012107).
• Assemble the front differential .
• Assemble the propeller shaft (030705).
• $ V V H P E O H W K H I U R Q W F H Q W U H D Q G U H D U Y H K L F O H À R R U V (082505).
• Assemble the wheels (060105).
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% ' L V D V V H P E O L Q J W K H D O W H U Q D W R U 3 U H O L P L Q D U \ R S H U D W L R Q V • Raise the vehicle on the car lift (000000).
• Empty the engine coolant tank (012107).
• ' L V D V V H P E O H W K H U H D U Y H K L F O H À R R U (082503).
• Disassemble the alternator belt 3 2 , 1 7 $ .
' L V D V V H P E O L Q J W K H D O W H U Q D W R U
Important!
Carry out this procedure when the engine is at ambient temperature.
1. / R R V H Q W K H F R R O L Q J V \ V W H P S L S H V X S S R U W E \ O R R V H Q L Q J W K H F R U U H V S R Q G L Q J ¿ [ L Q J V F U H Z $ ) L J ).
2. 2 S H Q W K H V K X Q W E R [ % ) L J ) and disconnect the negative cable from the battery ( & ) L J ).
Important!
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3. Disconnect the connector ( ' ) L J ) from the alternator.
4. ' L V F R Q Q H F W W K H H [ F L W D W L R Q F D E O H ( ) L J ).
Page 1250 of 1659
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& ' L V D V V H P E O L Q J W K H D O W H U Q D W R U E H O W W H Q V L R Q H U 3 U H O L P L Q D U \ R S H U D W L R Q V •Raise the vehicle on the car lift (000000).
• Empty the engine coolant tank (012107).
• ' L V D V V H P E O H W K H U H D U Y H K L F O H À R R U (082503).
• Disassemble the alternator belt 3 2 , 1 7 $ .
• Disassemble the alternator 3 2 , 1 7 % .
' L V D V V H P E O L Q J W K H E H O W W H Q V L R Q H U
Important!
Carry out this procedure when the engine is at ambient temperature.
1. Loosen the four screws ( $ ) L J ) securing the alternator support ( % ) L J ) to the engine.
2. Loosen the screw ( & ) L J ) securing the alternator support ( ' ) L J ) to the belt tensioner.
3. Loosen the screw ( ( ) L J ) securing the belt tensioner ( ) ) L J ) to the engine.
4. Remove the belt tensioner ( ) ) L J ).