LAMBORGHINI MURCIÉLAGO 2009 Service Repair Manual
Page 521 of 1173
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Fig.5
1
A
Fig.6
% $ · P P
® 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 $
Front wheel toe-in Adjust operating on the steering tie rod after loosening the lock nut (1-Fig.5).
The indicated values are related to one wheel only.
& D U U \ R X W W K H F K H F N D Q G D G M X V W P H Q W R Q E R W K V L G H V R I W K H Y H K L F O H
The total value must be 0.08 ÷ 0.12 mm.
Front misalignment (Fig.6)
A. Adjustment shim SP
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Fig.1 Fig.2
A
CCB
E
D
® 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 $
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
A) Hub disassembly
B) Bearing disassembly A)
Hub disassembly
3 U H O L P L Q D U \ R S H U D W L R Q V • Raise the car on the car lift (000000).
• Remove the front wheel (060103).
• Remove the brake caliper (060703).
• Remove the brake disk (061503).
• Release the axle shaft (040103).
• Release the shock absorber (041303).
Hub disassembly
1. Extract the phonic wheel ( A-Fig.1).
2. Remove the 2 split pins (B-Fig.1)and unscrew the 2 nuts (C-Fig.1).
3. Unscrew the nut (D-Fig.2) and extract the steering joint (E-Fig.2).
4. Remove the hub.
& D U H I X O O \ U H P R Y H W K H K X E Z L W K R X W G D P D J L Q J W K H M R L Q W ¶ V J X D U G R Q W K H V X V S H Q V L R Q D U P
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Fig.3 Fig.4 Fig.5
A
B
B
B
B
C
D
E
® 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 $
B) Bearing disassembly 3 U H O L P L Q D U \ R S H U D W L R Q V •Raise the car on the car lift (000000).
• Remove the front wheel (060103).
• Remove the brake caliper (060703).
• Remove the brake disk (061503).
• Release the axle shaft (040103).
• Release the shock absorber (041303).
• Remove the springs (041103).
Bearing disassembly
1. Remove the hub assembly + hub carrier.
2. Extract the phonic wheel ( A-Fig.3).
3. Unscrew the 4 screws ( B-Fig.4) securing the hub carrier to the bearing.
4. Remove the hub carrier ( C-Fig.4).
5. Using a puller, extract the bearing ( D-Fig.5) from the hub ( E-Fig.5).
, W L V D E V R O X W H O \ I R U E L G G H Q W R U H D V V H P E O H W K H U H P R Y H G E H D U L Q J G X U L Q J V X E V H T X H Q W U H D V V H P E O \
procedures.
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Fig.2
Fig.1
E
CCD
A
B
® 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 $
7 K L V V H F W L R Q H [ S O D L Q V K R Z W R D V V H P E O H
A) Hub assembly
B) Bearing assembly A)
Hub assembly
1. Position the steering joint (A-Fig.1)and tighten the nut (B-Fig.1).
2. Tighten the 2 nuts (C-Fig.2)and insert the 2 split pins (D-Fig.2)..
3. Position the phonic wheel ( E-Fig.2) inside the hub carrier.
• Secure the shock absorber (041305).
• Secure the axle shaft (040105).
• Assemble the brake disk (061505).
• Assemble the brake caliper (060705).
• Assemble the front wheel (060105).
& D U H I X O O \ U H P R Y H W K H K X E Z L W K R X W G D P D J L Q J W K H M R L Q W ¶ V J X D U G R Q W K H V X V S H Q V L R Q D U P
Page 525 of 1173
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Fig.5
Fig.4
Fig.3
E
D
D
D
D
C
A
B
® 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 $
B) Bearing assembly
1.
Using a press, assemble the bearing ( A-Fig.3) on the hub ( B-Fig.3).
, W L V D E V R O X W H O \ I R U E L G G H Q W R U H D V V H P E O H W K H U H P R Y H G E H D U L Q J D O Z D \ V X V H D Q H Z E H D U L Q J
2. Position the hub carrier ( C-Fig.4) and secure to the bearing using the 4 screws ( D-Fig.4).
3. Position the phonic wheel ( E-Fig.5) inside the hub carrier.
• Assemble the springs (041105).
• Secure the shock absorber (041305).
• Secure the axle shaft (040105).
• Assemble the brake disk (061505).
• Assemble the brake caliper (060705).
• Assemble the front wheel (060105).
7 K H F D U P X V W X Q G H U J R D V H O I O H Y H O O L Q J W H V W E H I R U H U H W X U Q L Q J W R U R D G X V H
Page 526 of 1173
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CDE
B
A
O
N
M
Fig.1
L
I
HG
F
® 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 $
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
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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
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 $
Reduction crown wheel and pinion Hypoid Reduction ratio1:2.9333
Self-locking percentage 25%
Bearing type taper roller
Pre-load adjustment with spacer washers
Pinion bearing pre-load: rolling torque 11 r 1 daNm
Crown bearing pre-load: rolling torque 21 r 1 daNm
Pinion-crown coupling clearance (mm) 0.09 r 0.12
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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
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 $
) U R Q W G L I I H U H Q W L D O D G M X V W P H Q W
& $ 8 7 , 2 1• $ O O R S H U D W L R Q V P X V W E H F D U U L H G R X W Z L W K W K H X W P R V W F D U H W R D Y R L G L Q M X U \ W R S H R S O H
• 6 S H F L ¿ F W R R O V D U H U H T X L U H G I R U F H U W D L Q S U R F H G X U H V 7 K H X V H R I W K H V H W R R O V L V H V V H Q W L D O W R H Q V X U H
safe operation.
• ) R O O R Z W K H V D I H W \ U X O H V L Q I R U F H L Q W K H Z R U N V K R S 6 S H F L ¿ F Z D U Q L Q J V D U H S U R Y L G H G L Q W K H 0 D Q X D O
Z K H U H V S H F L ¿ F S U H F D X W L R Q V D U H U H T X L U H G W R S U H Y H Q W K D ] D U G R X V V L W X D W L R Q V
• : K H Q H P S O R \ L Q J F K H P L F D O S U R G X F W V V F U X S X O R X V O \ I R O O R Z W K H L Q V W U X F W L R Q V V K R Z Q R Q W K H V D I H W \
G D W D V K H H W W K D W W K H V X S S O L H U L V U H T X L U H G W R K D Q G R Y H U W R W K H X V H U
: $ 5 1 , 1 * • $ O O R S H U D W L R Q V P X V W E H F D U U L H G R X W Z L W K W K H X W P R V W F D U H W R D Y R L G G D P D J H W R F R P S R Q H Q W V
• 8 V H D G H S W K J D X J H Z L W K D P L Q L P X P S U H F L V L R Q R I P P I R U P H D V X U L Q J
• ' X U L Q J W K H G L V D V V H P E O \ & K H F N W K D W W K H H O H P H Q W V K D Y H W K H F R U U H F W U H I H U H Q F H P D U N V D V U H T X L U H G
• ' X U L Q J W K H U H D V V H P E O \ O X E U L F D W H W K H U H T X L U H G S D U W V W R S U H Y H Q W V H L ] L Q J G X U L Q J L Q L W L D O R S H U D W L R Q
• ' X U L Q J W K H U H D V V H P E O \ U H V S H F W W K H W L J K W H Q L Q J W R U T X H V D Q G W K H D G M X V W P H Q W G D W D
• 5 H S O D F H J D V N H W V V H D O V V Q D S U L Q J V V D I H W \ S O D W H V V H O I O R F N L Q J Q X W V F D X O N H G H G J H Q X W V D Q G D O O
other worn out parts during each reassembly.
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A
%
) L J
® 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 $
7 K H I R O O R Z L Q J S U R F H G X U H V F D Q R Q O \ E H F R P S O H W H O \ F D U U L H G R X W D I W H U U H P R Y L Q J W K H G L I I H U H Q W L D O I U R P W K H Y H K L F O H
Proceed as follows: • Install the prescribed tentative adjusting shims ( $ ) L J ) and ( % ) L J ):
Tentative adjusting shim A: sA=1.75 mm
Tentative adjusting shim B: sB=1.10 mm
Page 530 of 1173
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) L J
A
® 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
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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 $
•
Check the correct bearing pre-load as follows:
• L Q V W D O O D V X L W D E O H W R R O I R U P H D V X U L Q J W K H U R O O L Q J W R U T X H R Q D D [ O H V K D I W À D Q J H
7 K H S O D Q H W D U \ J H D U V H W G R H V Q R W Q H H G W R E H I D V W H Q H G W K D Q N V W R W K H L Q W U L Q V L F F K D U D F W H U L V W L F V R I W K L V differential.
• Check that the rolling torque (ignoring the pickup one) is within the prescribed values.
•Work on adjusting shim ( $ ) L J ) if this is not so:
• to increase torque odecrease the value of shim A;
• to decrease torque oincrease the value of shim A.