LAMBORGHINI MURCIÉLAGO 2009 Service Repair Manual
Page 221 of 1173
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(
F
G
G
Fig.5 Fig.6
® 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 $
4. Clean the valves ( ( ) L J ):
• position the valve on a pillar drill. Before securing the valve to the drill, wrap tin foil around the drill-valve
contact area on the valve.
• Start the pillar drill.
• While the valve is turning, clean with a scouring pad.
• Remove the valve from the drill and wash completely.
7 D N H F D U H Q R W W R V S R L O W K H Y D O Y H V W H P
5. Clean the tappet, spring and shim pack ( F-Fig.6) in the following order:
• Wash.
• Remove grease.
• Blow.
6. 3 R O L V K W K H F D P V K D I W Z L W K ¿ Q H J U D L Q S D S H U W R U H P R Y H D Q \ V W D L Q V
7. To clean the oil holes ( G-Fig.6) on the camshaft, blow and then use a wire to completely clear any blockages.
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HH
I
Fig.7
® 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 $
8. Blow all the oil ducts on the head to remove any impurities.
9. Remove any trace of gaskets on the couplings and carefully clean the area.
10. Check the seal:
• Position all the valves in their housings ( H-Fig.7) and lubricate with a drop of oil.
• Position the pad of the seal test machine on the mouthpiece ( I-Fig.7).
• Start the machine and check the data readings:
0.6 - 1 bar
• , I W K H V H D O G R H V Q R W F R P S O \ Z L W K W K H Y D O X H V L Q G L F D W H G D E R Y H F K H F N W K H ¿ W R I W K H Y D O Y H V L Q W K H L U K R X V L Q J V
If the problem persists, use emery paste:
a.Apply the emery paste on the support base of the valve;
b.Insert the valve in its housing;
c. 7 X U Q W K H Y D O Y H E U L H À \ W R D O O R Z W K H H P H U \ S D V W H W R K D Y H D Q H I I H F W
d.Remove the valve from its housing and carefully clean both.
11. Completely re-clean the head.
Also clean the intake/exhaust ducts using a rag soaked in a grease remover. If necessary, use a wire to clear any blockages.
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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 $
A V V H P E O L Q J W K H K H D G
• Reassemble the tappets, thethicknessand the valve unit in their housings (010905), placing them in the correct
order.
• Assemble the two camshafts (010905).
Lubricate with oil during the assembly procedure.
•Shim the valves (010902).
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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
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 $
Main and connecting rod journals surface hardness HVI630
0 D L Q D Q G F R Q Q H F W L Q J U R G M R X U Q D O V V X U I D F H ¿ Q L V K 0.2 micron
Main journals Rated diameter D 62.966 ÷ 62.979
Shoulders Rated width 40.070 ÷ 40.100
Oversized thickness 40.578 ÷ 40.608
Bushing/shaft clearance 0.010 ÷ 0.050
Crankshaft axial clearance 0.155 ÷ 0.315
Piston pin seat diameter d
20.020 ÷ 20.030
Connecting rod small end bushing seat diameter '48.626 ÷ 48.642
Connecting rod big end width 19.000 ÷ 19.050
Connecting rod small end width 19.900 ÷ 19.950
Distance between centers i134.270 ÷ 134.330
Piston pin assembly clearance 0.020 ÷ 0.080
Connecting rod small end bushing assembly clearance 0.020 ÷ 0.080
Connecting rod journal bearings assembly clearance on crankshaft 0.024 ÷ 0.067
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Fig.1 Fig.2
A
® 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 D Q N V K D I W D [ L D O F O H D U D Q F H F K H F N
1. , Q V W D O O W K H G L D O J D X J H D V V K R Z Q L Q W K H ¿ J X U H(A-Fig.1 ).
2.
5 H V H W W K H G L D O J D X J H D Q G E \ P H D Q V R I W K H V S H F L ¿ F W R R O P R Y H W K H F U D Q N V K D I W D [ L D O O \ W K H U H D G L Q J R Q W K H G L D O
gauge must be:
& U D Q N V K D I W D [ L D O F O H D U D Q F H P P.
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Fig.1 Fig.2
Fig.3
® 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 D Q N V K D I W D Q G E H D U L Q J G L V D V V H P E O H 3 U H O L P L Q D U \ R S H U D W L R Q V • Engine disassemble (010003)
• Thermostatic valve disassemble (012103)
• Gearbox disassemble (030103)
• Silencer and exhaust terminals disassemble (025103)
• Exhaust manifolds disassemble (025103)
• Air intake manifold disassemble (012903)
• Alternator, power steering pump and air conditioning system compressor frame disassemble.
• Head disassemble (010303)
• Rear differential disassemble (050903)
• Disassemble the front crankshaft pulley
• Timing system cover disassemble (019003)
• Disassemble the oil pan
• Disassemble the oil draft pipe
• Timing system chain disassemble (019003)
• Oil pump disassemble (011503)
& U D Q N V K D I W D Q G E H D U L Q J G L V D V V H P E O H
1. Fix the crankcase with the lower part facing upwards.
2. Unscrew the bolts which mount the crankcase to the lower part of the crankcase ( Fig.1).
3. Remove the lower part of the crankcase.
4. Remove the connecting rods and the pistons.
5. 5 H P R Y H W K H F U D Q N V K D I W E \ P H D Q V R I D V S H F L ¿ F O L I W L Q J G H Y L F H Fig.2).
6. Check the crankshaft thoroughly for wear or scratches.
7. Remove the bushings from the lower and upper parts of the crankcase ( Fig.3).
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Fig.5
Fig.4
® 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 $
8. Check for excessive wear and/or scratches.
9. Remove the lock snap ring and the crankshaft bearing ( Fig.4).
3 L V W R Q F R Q Q H F W L Q J U R G D V V \ G L V D V V H P E O H
10. Remove the connecting rod caps.
11. Remove the piston from the big end side.
Page 228 of 1173
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Fig.2
B
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 $
& U D Q N V K D I W D V V H P E O \
1. Clean thoroughly and blow compressed air on to the crankcase parts and the crankshaft.
2. Apply engine oil on the crankshaft and on the bushings.
3. Install the bushings on the lower and upper parts of the crankcase ( Fig.1).
4. Install the 4 crankshaft half shims ( B-Fig.2); the half shim mark must lock against the upper part of the
crankcase.
1 2 7 (
( D F K K D O I V K L P K D V W Z R P L O O H G V H F W L R Q V I R U W K H R L O À R Z W R W K H E X V K L Q J
T
hese concavities must face the crankshaft shoulders.
Use grease to facilitate the positioning of the half shims.
5. Fit the crankshaft into place.
6. Install the crankshaft bearing and lock it by means of the snap ring.
Page 229 of 1173
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L824 01 05 05
Fig.3
Fig.4
C
'
® 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.
Assemble the mounting supports on the crankshaft ( C-Fig.3).
1 2 7 (
After positioning the shaft, lubricate with ( Fig.3).
8. Install the engine oil seal by means of (000200)tool ( ' ) L J ).
9. Install the connecting rods and the pistons.
& O R V L Q J W K H F U D Q N F D V H
10. If it has not been done yet, erase any trace of paste by means of a small scraper and clean thoroughly the
crankcase and its lower part.
11. ' H J U H D V H W K H F R Q W D F W D U H D V D Q G D S S O \ 7 K U H H E R Q G % R Q W K H D U H D V V K R Z Q L Q W K H ¿ J X U H Fig.4).
12. Apply Molikote 1000 on the stud bolts.
Page 230 of 1173
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Fig.5
® 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 $
13. Position the lower part of the crankcase on the crankcase taking care that all the bushings are in their correct
position.
14. Tighten the 12 mm and 8 mm stud bolt nuts to the prescribed tightening torques following the sequence shown
L Q W K H ¿ J X U H Fig.4).
12 mm stud bolt nuts; Tightening torque (000800-9c)
8 mm stud bolt nuts; Tightening torque (000800-9c)