differential LAMBORGHINI MURCIÉLAGO 2009 Service Owner's Manual
[x] Cancel search | Manufacturer: LAMBORGHINI, Model Year: 2009, Model line: MURCIÉLAGO, Model: LAMBORGHINI MURCIÉLAGO 2009Pages: 1173, PDF Size: 98.14 MB
Page 299 of 1173
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W K H U L J K W W R P D N H X S G D W H V D Q G P R G L ¿ F D W L R Q V 7 K H I R O O R Z L Q J D U H S U R K L E L W H G U H S U L Q W L Q J U H S U R G X F W L R Q I R U Z D U G L Q J W R X Q D X W K R U L ] H G S H R S O H D Q G R U W K L U G S D U W L H V D Q G W U D Q V O D W L R Q L Q F O X G L Q J S D U W L D O Z L W K R X W
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This is a differential device with a diaphragm, located in the front part of each fuel manifold and set by the manufacturerto a pressure of 4.00 ± 0.05 bars.
The fuel under pressure coming from the pump pushes onto the diaphragm ( C-Fig.3 R I W K H G R Z Q À R Z Y D O Y H '
Fig.3 ), opposed by the calibrated spring ( % ) L J ).
: K H Q W K H S U H V V X U H H [ F H H G V W K H V H W S U H V V X U H W K H G R Z Q À R Z Y D O Y H R S H Q V D Q G W K H H [ F H V V I X H O U H W X U Q V W R W K H W D Q N
Furthermore, through the pressure tap ( A-Fig.3), the vacuum in the intake manifold (where the injector shutter is
also located), operating on the regulator diaphragm, proportionally reduces the load from the calibrated spring.
In this way the pressure difference is kept constant between the fuel and the environment in which the injector is located (intake manifold) under all engine operating conditions.
7 K H I X H O S U H V V X U H L V W D N H Q D V D ¿ [ H G S D U D P H W H U L H Q R W F K H F N H G E \ W K H F R Q W U R O X Q L W Z K H Q F D O F X O D W L Q J W K H D P R X Q W R I L Q M H F W H G I X H O 7 K H U H I R U H W K H U H J X O D W R U P X V W Q R W E H W D P S H U H G Z L W K W R D Y R L G D O W H U L Q J W K H engine metering.
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A. Vacuum signal tap
% Calibrated spring
C. Diaphragm
' ' R Z Q À R Z Y D O Y H
( Fuel return
F. Fuel inlet
Page 300 of 1173
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Injectors
The task of the injector is to deliver the amount of fuel required for the engine operation: The fuel is injected into theintake duct, immediately upstream of the intake valves.
As the pressure differential is constant between inside and outside the injector (due to the regulator), the quantity of
fuel delivered, with the same electric power depends only on the opening time, established by the control unit.
The injector is the “top-feed” type with the fuel supplied from the rear of the body ( H-Fig.4), where the electric
winding ( ' ) L J ) is also located, connected to connector ( ( ) L J ). The needle ( % ) L J ), integral with the anchor
( C-Fig.4 ), is thrust against the seal seat by a spring ( I-Fig.4).
: K H Q F X U U H Q W S D V V H V W K U R X J K W K H Z L Q G L Q J W K H P D J Q H W L F ¿ H O G F U H D W H G D W W U D F W V W K H D Q F K R U C-Fig.4) and as a
consequence the needle ( % ) L J R S H Q V W K H L Q M H F W R U D Q G W K H I X H O À R Z V W K U R X J K
When the current ceases, the shutter is called back into position by the spring ( I-Fig.4).
, Q M H F W R U ) L J
1. Snug
2. Needle
3. Magnetic anchor
4. Winding
5. Connector
6. Filter
7. Spring thruster
8. Body
9. Return spring
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® Automobili Lamborghini S.p.A. 7 K H L Q I R U P D W L R Q D Q G S U R F H G X U H V S X E O L V K H G E H O R Z D U H V W U L F W O \ F R Q ¿ G H Q W L D O D Q G H [ F O X V L Y H O \ I R U W K H / D P E R U J K L Q L ' H D O H U 1 H W Z R U N D Q G $ X W K R U L ] H G 6 H U Y L F H 3 R L Q W V $ O O F R S \ U L J K W V D U H S U R S H U W \ R I $ X W R P R E L O L
/ 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 $
$ 7 L P L Q J V \ V W H P F R Y H U G L V D V V H P E O \ 3 U H U H T X L V L W H V
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• Auxiliary belt removed (010103).
• Water pump removed (012203).
• Air conditioning system compressor support removed (026003).
• Alternator and its support removed (090303).
• Rear differential removed (050903).
' L V D V V H P E O \
1. 5 H P R Y H W K H R L O ¿ O W H U V X S S R U W (013003).
2. 8 Q V F U H Z W K H W Z R V F U H Z V X Q G H U W K H R L O ¿ O W H U V X S S R U W
3. Unscrew the auxiliary belt pulley mounting bolt and its washer.
4. 5 H P R Y H W K H D X [ L O L D U \ E H O W S X O O H \ E \ P H D Q V R I D V S H F L ¿ F S X O O H U
5. Remove the auxiliary pulley belt tensioner.
6. Remove the heads (010303).
7. Remove the cover mounting nuts with washers and remove the cover.
8. Remove the auxiliary belt pulley oil seal from timing system cover.
1 R W H
7 L P L Q J V \ V W H P F R Y H U K H D G V D Q G F U D Q N F D V H D U H D G D S W H G S L H F H V L I R Q H R I W K H P L V U H S O D F H G V S H F L ¿ F
P H F K D Q L F D O L Q W H U Y H Q W L R Q L V Q H H G H G W R U H F R Y H U S H U I H F W O H D N W L J K W Q H V V
7 K L V V H F W L R Q H [ S O D L Q V K R Z W R G L V D V V H P E O H
$ 7 L P L Q J V \ V W H P F R Y H U %
Timing system chain
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Fig.1
Fig.2
® Automobili Lamborghini S.p.A. 7 K H L Q I R U P D W L R Q D Q G S U R F H G X U H V S X E O L V K H G E H O R Z D U H V W U L F W O \ F R Q ¿ G H Q W L D O D Q G H [ F O X V L Y H O \ I R U W K H / D P E R U J K L Q L ' H D O H U 1 H W Z R U N D Q G $ X W K R U L ] H G 6 H U Y L F H 3 R L Q W V $ O O F R S \ U L J K W V D U H S U R S H U W \ R I $ X W R P R E L O L
/ 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
W K H U L J K W W R P D N H X S G D W H V D Q G P R G L ¿ F D W L R Q V 7 K H I R O O R Z L Q J D U H S U R K L E L W H G U H S U L Q W L Q J U H S U R G X F W L R Q I R U Z D U G L Q J W R X Q D X W K R U L ] H G S H R S O H D Q G R U W K L U G S D U W L H V D Q G W U D Q V O D W L R Q L Q F O X G L Q J S D U W L D O Z L W K R X W
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* D V 3 U H V V X U H ' H W H F W L R Q 6 \ V W H P $ W ( [ K D X V W 3 L S H
Each exhaust manifold is equipped with a differential pressure sensor (Fig.1 D E O H W R G H W H F W W K H S U H V V X U H À R Z L Q V L G H
W K H P D Q L I R O G L W V H O I 7 K L V V H Q V R U G H W H U P L Q H V W K H P L V ¿ U L Q J F \ O L Q G H U W K U R X J K W K H L Q M H F W L R Q V \ V W H P D Q G G L V S O D \ V W K U R X J K W K H 2 % ' , , H U U R U F R G H D Q \ H [ K D X V W S U R E O H P V
The differential pressure sensor R X W S X W V L J Q D O Fig.2 V H Q W W R W K H U H O H Y D Q W / , ( L V U H S U H V H Q W H G E \ D S X O V H V H U L H V
each pulse corresponds to a spec
L ¿ H G F \ O L Q G H U $ 0 , 6 ) , 5 ( L V G H W H F W H G Z K H Q W K H L Q G H [ L V J U H D W H U W K D Q W K H W K U H V K R O G
F D O L E U D W H G E \ W K H ( & 8
A. Threshold value ( E H O R Z W K L V Y D O X H P L V ¿ U L Q J L V L G H Q W L ¿ H G D Q G W K H 2 % ' , , S D J H L V G L V S O D \ H G
B. Peak value
7 R Y L H Z W K H V H Y D O X H V X V H W K H / ' $ 6 V \ V W H P (109114) D Q G R S H Q W K H ³ 0 L V ¿ U H V W D W X V ´ Z L Q G R Z
Page 425 of 1173
![LAMBORGHINI MURCIÉLAGO 2009 Service Owners Manual 2
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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
W K H U L J K W W R P D N H X S G D W H V D Q G P R G L ¿ F D W L R Q V 7 K H I R O O R Z L Q J D U H S U R K L E L W H G U H S U L Q W L Q J U H S U R G X F W L R Q I R U Z D U G L Q J W R X Q D X W K R U L ] H G S H R S O H D Q G R U W K L U G S D U W L H V D Q G W U D Q V O D W L R Q L Q F O X G L Q J S D U W L D O Z L W K R X W
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 gearbox is placed in the engine facing toward the passenger compartment. The countershaft drives:•the front differential directly, by means of a propeller shaft
• the rear differential, by means of a transmission gear couple and of a propeller shaft by the crankcase side.
It has six synchronized ratios and reverse gear, without direct drive.Gearbox lubrication is ensured by a gear pump geared on the main shaft.
A. Engine
% Clutch
C. Gearbox
' Front differential
( Front propeller shaft
) Rear propeller shaft
* Rear differential
Page 426 of 1173
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® Automobili Lamborghini S.p.A.
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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
W K H U L J K W W R P D N H X S G D W H V D Q G P R G L ¿ F D W L R Q V 7 K H I R O O R Z L Q J D U H S U R K L E L W H G U H S U L Q W L Q J U H S U R G X F W L R Q I R U Z D U G L Q J W R X Q D X W K R U L ] H G S H R S O H D Q G R U W K L U G S D U W L H V D Q G W U D Q V O D W L R Q L Q F O X G L Q J S D U W L D O Z L W K R X W
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From a functional perspective, the gearbox assembly, once removed from the engine, can be disassembled in the following blocks:
0 D Q X D O J H D U E R [ ) L J
A.
Clutch housing and transmission gears to rear differential
% Gearbox
C. Gearbox lubrication pump
' Propeller shaft pipe to front differential
( Gear shift lever device
) Shift lever device support
( J H D U ) L J
A.Clutch housing and transmission gears to rear differential
% Gearbox
C. Gearbox lubrication pump
' Propeller shaft pipe to front differential
( Actuator
) Actuator support
Page 499 of 1173
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Fig.2
EE
CC
B
D
Fig.1
A
A
Carbon Ceramic
Standard
® Automobili Lamborghini S.p.A. 7 K H L Q I R U P D W L R Q D Q G S U R F H G X U H V S X E O L V K H G E H O R Z D U H V W U L F W O \ F R Q ¿ G H Q W L D O D Q G H [ F O X V L Y H O \ I R U W K H / D P E R U J K L Q L ' H D O H U 1 H W Z R U N D Q G $ X W K R U L ] H G 6 H U Y L F H 3 R L Q W V $ O O F R S \ U L J K W V D U H S U R S H U W \ R I $ X W R P R E L O L
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W K H U L J K W W R P D N H X S G D W H V D Q G P R G L ¿ F D W L R Q V 7 K H I R O O R Z L Q J D U H S U R K L E L W H G U H S U L Q W L Q J U H S U R G X F W L R Q I R U Z D U G L Q J W R X Q D X W K R U L ] H G S H R S O H D Q G R U W K L U G S D U W L H V D Q G W U D Q V O D W L R Q L Q F O X G L Q J S D U W L D O Z L W K R X W
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) U R Q W D [ O H V K D I W D Q G I U R Q W G L I I H U H Q W L D O G L V D V V H P E O \ 3 U H O L P L Q D U \ R S H U D W L R Q V •Lift the vehicle on the car lift (000000).
• Disassemble the wheel (060103).
$ [ O H V K D I W D Q G G L I I H U H Q W L D O G L V D V V H P E O \
1. Disassemble the center screw ( A-Fig.1) in the center of the disk.
2. Disassemble the differential support plate ( B-Fig.2) by unscrewing the four mounting screws.
3. Free both front axle shafts from the differential ( C-Fig.2) by unscrewing the 12 mounting screws (5 socket head
screws for each differential-axle shaft coupling).
4. Remove the temperature sensor wire ( D-Fig.2) from the differential.
5. Using a socket wrench, unscrew the two screws ( E-Fig.2) that secure the front differential support.
6. Remove the front differential.
& $ 8 7 , 2 1
' X H W R W K H G L I I H U H Q W L D O ¶ V Z H L J K W D V S L G H U O L I W V K R X O G E H X V H G W R O R Z H U W K H G L I I H U H Q W L D O L W V H O I W R W K H ground after it has been assembled.
, Q W K L V F D V H S R V L W L R Q W K H V S L G H U O L I W X Q G H U W K H I U R Q W G L I I H U H Q W L D O E H I R U H X Q V F U H Z L Q J W K H W Z R V X S S R U W screws (E-Fig.2).
7. Remove the axle shaft.
Page 500 of 1173
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Fig.1
AA
CC
D
B
Fig.2
E
E
Carbon Ceramic
Standard
® Automobili Lamborghini S.p.A. 7 K H L Q I R U P D W L R Q D Q G S U R F H G X U H V S X E O L V K H G E H O R Z D U H V W U L F W O \ F R Q ¿ G H Q W L D O D Q G H [ F O X V L Y H O \ I R U W K H / D P E R U J K L Q L ' H D O H U 1 H W Z R U N D Q G $ X W K R U L ] H G 6 H U Y L F H 3 R L Q W V $ O O F R S \ U L J K W V D U H S U R S H U W \ R I $ X W R P R E L O L
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) U R Q W D [ O H V K D I W D V V H P E O \ D Q G I U R Q W G L I I H U H Q W L D O 1. Position the axle shaft for the subsequent assembly operations.
2. Using a socket wrench, tighten the two screws ( A-Fig.1) of the front differential support; tightening torque
(000800-26c)
& $ 8 7 , 2 1 ' X H W R W K H G L I I H U H Q W L D O ¶ V Z H L J K W D V S L G H U O L I W V K R X O G E H X V H G W R U D L V H W K H G L I I H U H Q W L D O W R Z K H U H L W must be anchored.
3. Attach the temperature sensor wire ( B-Fig.1) to the differential.
4. Secure both front axle shafts to the differential ( C-Fig.1) by tightening the 12 mounting screws (6 socket head
screws for each differential-axle shaft coupling); tightening torque (000800-1a)
5. Assemble the differential support plate ( D-Fig.1), tightening the four mounting screws.
6. Tighten the screw ( E-Fig.2) in the center of the disk; tightening torque (000800-12b)
• Assemble the wheel (060105).
Page 501 of 1173
1
L824 04 02 03
A
Fig.1
® Automobili Lamborghini S.p.A. 7 K H L Q I R U P D W L R Q D Q G S U R F H G X U H V S X E O L V K H G E H O R Z D U H V W U L F W O \ F R Q ¿ G H Q W L D O D Q G H [ F O X V L Y H O \ I R U W K H / D P E R U J K L Q L ' H D O H U 1 H W Z R U N D Q G $ X W K R U L ] H G 6 H U Y L F H 3 R L Q W V $ O O F R S \ U L J K W V D U H S U R S H U W \ R I $ X W R P R E L O L
/ 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
W K H U L J K W W R P D N H X S G D W H V D Q G P R G L ¿ F D W L R Q V 7 K H I R O O R Z L Q J D U H S U R K L E L W H G U H S U L Q W L Q J U H S U R G X F W L R Q I R U Z D U G L Q J W R X Q D X W K R U L ] H G S H R S O H D Q G R U W K L U G S D U W L H V D Q G W U D Q V O D W L R Q L Q F O X G L Q J S D U W L D O Z L W K R X W
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 $
Viscous coupling disassembly 3 U H O L P L Q D U \ R S H U D W L R Q V •Lift the vehicle on the car lift (000000).
• Disassemble the front differential (040903).
Viscous coupling disassembly
1. 8 Q V F U H Z W K H P R X Q W L Q J V F U H Z V Z L W K Z D V K H U V D Q G U H P R Y H W K H À D Q J H Y L V F R X V F R X S O L Q J D V V H P E O \ A-Fig.1).
Page 526 of 1173
1
L824 04 09 00
CDE
B
A
O
N
M
Fig.1
L
I
HG
F
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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
W K H U L J K W W R P D N H X S G D W H V D Q G P R G L ¿ F D W L R Q V 7 K H I R O O R Z L Q J D U H S U R K L E L W H G U H S U L Q W L Q J U H S U R G X F W L R Q I R U Z D U G L Q J W R X Q D X W K R U L ] H G S H R S O H D Q G R U W K L U G S D U W L H V D Q G W U D Q V O D W L R Q L Q F O X G L Q J S D U W L D O Z L W K R X W
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 $
Front differential
The front differential is driven directly by the gearbox countershaft by means of the propeller shaft. The front differential
is partially self-locking and features a viscous coupling, that ensures the distribution of the torque between the forecarriage and the rear axle.A. Crown
B. Differential
C. Pinion
D. Differential carrier
E. Viscous coupling
F. Viscous coupling ball bearing
G. Viscous coupling roller bearing
H. Pinion roller bearings
I. Differential roller bearings
L. $ [ O H V K D I W À D Q J H
M. $ [ O H V K D I W À D Q J H E H D U L Q J
N. Differential bearing
O. Cover