2009 LAMBORGHINI GALLARDO Workshop Manual

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3UHOLPLQDU\RSHUDWLRQV •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) ( $)LJRIWKHGUDLQHTXLSPHQWDQGUH¿OOWKHV\VWHPDWWKHRXWOHW %)LJ) on the
compressor’s intake pipe.
• Connect the HP pipe (RED) ( &)LJRIWKHGUDLQHTXLSPHQWDQGUH¿OOWKHV\VWHPDWWKHRXWOHW ')LJ) on the
compressor’s delivery pipe.
'UDLQLQJWKHV\VWHP 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.
&UHDWLQJWKHYDFXXP 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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3UHOLPLQDU\RSHUDWLRQV •Disassemble the engine compartment left side panels .
• Connect the LP pipe (BLUE) ( $)LJRIWKHGUDLQHTXLSPHQWDQGUH¿OOWKHV\VWHPDWWKHRXWOHW %)LJ) on the
compressor’s intake pipe.
• Connect the HP pipe (RED) ( &)LJRIWKHGUDLQHTXLSPHQWDQGUH¿OOWKHV\VWHPDWWKHRXWOHW ')LJ) on the
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5H¿OOLQJWKHV\VWHP 1. Introduce 550 gr of R134a coolant.
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• Disconnect the LP-HP pipes.
• Assemble the engine compartment left side panels .

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C) Heating system pipes

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$+HDWLQJVROHQRLGYDOYHGLVDVVHPEO\ The solenoid valve of the heating system is located under the car tunnel. 3UHOLPLQDU\RSHUDWLRQV •Raise the car on the car lift (000000).
• Remove the central and rear FDUÀRRUV(082503).
• Remove the propeller shaft (030703).
• Drain WKHZDWHUFRROLQJÀXLGV (012107).
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 1RWH Prepare a suitable container for collecting the liquid that leaks when the solenoid valve pipes are disconnected.
1. Disconnect the lower pipe ( $)LJ) coming from the water pump using the clamp ( %)LJ) and plug it.
2. Disconnect the other two pipes pressed onto the unions ( &)LJ) and plug them.
3. Unscrew the nut ( ')LJ) that secures the solenoid valve bracket ( ()LJ) to the chassis.
4. Lower the solenoid valve, disconnect the connector ( ))LJ) and then remove the solenoid valve complete with
the bracket.
5. Remove the bracket ( ()LJ) from the solenoid valve, unscrewing the nut ( *)LJ) and removing the screw
( +)LJ ).

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3UHOLPLQDU\RSHUDWLRQV • 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 FDUÀRRUV(082503).
• Remove the propeller shaft (030703).
• Drain WKHZDWHUFRROLQJÀXLGV (012107).
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 1RWH Prepare a suitable container for collecting the liquid that leaks when the pump’s pipes are disconnected.
1. Disconnect the connector ( $)LJ)LJ).
2. Disconnect the pump’s pipes ( %)LJ) using the clamps ( &)LJ) and plug the pipes.
3. Unscrew the 2 bolts of the 2 clamps that secures the pump to the bracket ( ')LJ)LJ).
4. Remove the heating system pump.

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Important!
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engine cooling circuit are at ambient temperature.
The air conditioning system is grouped as follows ( )LJ):
C1. Right heating delivery pipe
C2. Left heating delivery pipe
C3. Engine cooling return pipe
C4. Central connection pipe between the engine heating system and
cooling system.
I1. Right heating delivery pipe
I2. Left heating delivery pipe
I3. Engine cooling return pipe
I4 Connection pipe between the central pipes and the internal pipes.

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&(175$/3,3(6 3UHOLPLQDU\RSHUDWLRQV •Raise the car on the car lift (000000).
•  'LVDVVHPEOHWKHUHDUDQGFHQWUHYHKLFOHÀRRUV (082503).
• Disassemble the propeller shaft (030703).
• Empty the coolant tank (012107).
'LVDVVHPEOLQJSLSH& 1.  5HOHDVHWKHVSHFL¿FFODPS $)LJ) to disconnect pipe C1 from the union with pipe l4.
2. Loosen the screw ( %)LJ) fastening the pipe mounting bracket to the center console.