ECU LAMBORGHINI MURCIÉLAGO 2009 Service Repair Manual
Page 143 of 1173
4
L824 00 88 00
Description i.o. non i.o. Repaired
i.o. = in order NOTES: Date:
not i.o. = out of order
Repaired = the problem has been cleared up Signature:
CHECKLIST
Order numberService managerNumber plateRegistration date
Engine number Gearbox numberGearbox typeKm/Mls
VIN ModelModel YearDate
Mechanic’s name Delivery dateCar numberType of job carried out
® 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 $
Steering tie rod heads: ensure the steering tie rod heads are properly secured and ensure the clearance is correct. Check the bellow seals
Exhaust system: visual check to ensure there are no leaks and/or damage
8 Q G H U E R G \ Y L V X D O F K H F N W R H Q V X U H W K H U H L V Q R G D P D J H D Q G W K D W W K H ¿ [ L Q J G H Y L F H V D Q G S L S H V K D Y H Q R W E H F R P H O R R V H : K H H O V D Q G W \ U H V
: K H H O ¿ [ L Q J V F U H Z V H Q V X U H W K H W L J K W H Q L Q J W R U T X H L V F R U U H F W
Front left tyre: check the pressure, check the condition of the tread and ensure the wear of the tread is even. Thickness in mm _________
Front right tyre: check the pressure, check the condition of the tread and ensure the wear of the tread is even. Thickness in mm _________
Rear left tyre: check the pressure, check the condition of the tread and ensure the wear of the tread is even. Thickness in mm _________
Rear right tyre: check the pressure, check the condition of the tread and ensure the wear of the tread is even. Thickness in mm _________ ) L Q D O M R E V
Climate control system check the climate control system functions correctly
Navigator (if present)/Radio: check the navigator and/or radio function correctly
Page 200 of 1173
2
L824 01 00 05
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 $
8 Q G H U W K H Y H K L F O H 20.
6 X S S R U W W K H J H D U E R [ 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 E \ L Q V H U W L Q J D Z R R G H Q S L H F H (A-Fig.2 ) and lever by
means of a crowbar to move the engine towards the rear part in order to disconnect the front differential from
the drive pipe.
21. Move the axle shafts toward the rear differential.
22. Remove the end of the clutch oil pipe and reconnect it.
23. Connect the cable (positive) of the starter (091105).
24. Screw the two engine side 24-mm mounting bolts.
25. Secure the shaft to the front differential (052105).
26. Reposition the rear axle shaft screws (6 per side) and connect the rear axle shafts (050105).
27. Reposition the ground plaited cable on the left side of the engine.
28. Secure the front drive mounting bolts (030105).
29. Connect the silencer mounting devices (025105).
30. Assemble the lower front drive cross member elements (052105).
31. From inside the vehicle assemble the panel and the gearshift on the tunnel (086805).
32. Tighten the clamps while protecting the exhaust terminals (025105).
33. Connect the inlet and outlet pipe from the oil pan (011705).
34. Fill the oil pan completely (about 2 liters) (011708).
35. Fill engine oil tank (about 9 liters) (011708).
Page 201 of 1173
3
L824 01 00 05
® 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 $
36.Lower the car.
37. Connect the breather pipe from the water runnel.
38. Connect the upper water pipe between the engine and radiator.
39. Connect the driver side canister pipes.
40. Connect the passenger side VIS/VES solenoid valve pipes.
41. Position the brake booster and NCS vacuum pipes (if present).
42. Secure the driver side ignition connector.
43. Secure the oil breather pipes from the engine oil tank.
44. Secure the fuel pipes to the injection rails and the return pipes to the tank (012805).
45. Reposition the driver side intake box (013305).
46. Secure the upper panel.
47. Connect the vacuum pipes to the left and right heads.
48. Secure the engine compartment central panel (081305).
49. Position the silencer heat-proof covering (025105).
50. Assemble the engine hood lock (082705)and reattach the connectors.
51. 6 H F X U H W K H U H D U ¿ Q L V K J U L G W D N L Q J F D U H R I W K H O L F H Q V H S O D W H O L J K W V (081305 - 094305).
52. $ V V H P E O H X S S H U S D U W R I E R W K D L U ¿ O W H U L Q W D N H E R [ H V D Q G F R Q Q H F W W K H D L U L Q W D N H S L S H V P R X Q W L Q J F O D P S V (013305)
to the DBW.
53. Assemble the side panels and the silencer safety grid (025105).
54. Assemble the engine hood shock absorber lower mounts and reposition the engine hood (082705).
, ) 7 + ( 5 ( , 6 $ 1 ( * ( $ 5 1 ( 9 ( 5 ' , 6 & 2 1 1 ( & 7 7 + ( 2 , / 3 , 3 ( 6 / ( $ 9 ( 7 + ( 2 , / 3 $ 1 & 2 1 1 ( & 7 ( '
7 2 7 + ( * ( $ 5
5 ( & 2 1 1 ( & 7 $ / / 2 ) 7 + ( ( * ( $ 5 : , 5 ( 6
Page 205 of 1173
2
L824 01 01 03
Fig.4
Fig.3
(
'
F
G
® 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 $
3.
Unscrew the 2 bolts ( ' ) L J ) and the screw ( ( ) L J ) and remove the heat-proof panel ( F-Fig.3).
4. Unscrew the bolt that secures the alternator ( G-Fig.4).
Page 208 of 1173
2
L824 01 01 05
Fig.4 Fig.5
I
H
G
F
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 $
3. Check for the belt correct positioning in the pulley races.
8 Q O L N H W K H R W K H U S X O O H \ V W K H $ & F R P S U H V V R U S X O O H \ K D V U D F H V Z K L O H W K H E H O W K D V U D F H V 7 + (
( 1 * , 1 ( 6 , ' ( 5 $ & ( , 6 7 2 % ( / ( ) 7 ) 5 ( ( (Fig.3).
4. Lock the belt tensioner.
5. Tighten the bolt that secures the alternator ( F-Fig.4).
6. Secure the heat-proof panel ( G-Fig.5) tightening the 2 bolts ( H-Fig.5) and the screw ( I-Fig.5).
Page 209 of 1173
3
L824 01 01 05
Fig.7
1M
Fig.6
LL
® 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 rear cross member, tightening the 4 screws(
L-Fig.6 )onto the two inner sides.
8.Reconnect the water pump delivery and intake pipes ( M-Fig.7), securing them with the clamps ( 1 ) L J ).
1 2 7 (
Top up the engine coolant (022107).
• Assemble the silencer safety grid (025105).
Page 221 of 1173
3
L824 01 03 09
(
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.
Page 241 of 1173
1
L824 01 09 02
Fig.1
C
D
B
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 $
7 K H S U H V H Q W V H F W L R Q F R Q W D L Q V W K H I R O O R Z L Q J D G M X V W P H Q W V H T X H Q F H V
$ 0 ( & + $ 1 , & $ / 7 , 0 , 1 * 2 ) + ( $ '
% 9 $ / 9 ( & / ( $ 5 $ 1 & (
A
0 ( & + $ 1 , & $ / 7 , 0 , 1 * 2 ) + ( $ '
0 H F K D Q L F D O K H D G W L P L Q J F D Q E H F D U U L H G R X W W Z R Z D \ V
• using a dial gauge
• using special tools
A1) Mechanical head timing with a dial gauge
3 U H U H T X L V L W H V • Engine on a workbench.
• The bolts that secure the variable valve timing mechanism must be loosened so that the chain turns freely,
without being integral with the camshaft seat.
+ H D G W L P L Q J , Q W D N H
(The instructions within brackets refer to the right cylinder bank.)
1. Assemble the crank mechanism on the crankshaft ( A-Fig.1).
2. Assemble the dial gauge ( B-Fig.1) on cylinder no.1 (no.7).
3. 7 X U Q W K H F U D Q N V K D I W S O D F L Q J F \ O L Q G H U Q R Q R D W W K H 7 ' & W R S G H D G F H Q W H U W K L V L V Y H U L ¿ H G Z K H Q W K H G L D O
gauge’s pointer indicates 0 (zero) ( C-Fig.1).
4. Reset the goniometer according to the reference mark ( D-Fig.1).
Page 244 of 1173
4
L824 01 09 02
B
A
C
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 $
A2) Mechanical head timing with special tools 3 U H U H T X L V L W H V •The bolts that secure the variable valve timing mechanism must be loosened so that the chain turns freely,
without being integral with the camshaft.
+ H D G W L P L Q J
1. If the engine is on a workbench, assemble the crank mechanism on the crankshaft; if the engine is on board,
the rotation can be carried out directly from the pulley.
2. Assemble the dial gauge ( A-Fig.5) on cylinder no. 1.
3. 7 X U Q W K H F U D Q N V K D I W S O D F L Q J F \ O L Q G H U Q R D W 7 ' & W R S G H D G F H Q W H U W K L V L V Y H U L ¿ H G Z K H Q W K H G L D O J D X J H ¶ V S R L Q W H U
indicates 0 (zero).
4. Assemble the timing tools on the heads (000200-12c), being careful to install the LH tool on the left head ( B-
Fig.5 ) and the RH tool on the right head ( C-Fig.5).
The tools must be secured directly onto the camshafts of both heads so that the position of the
F D P V K D I W V L V O R F N H G L Q W R S O D F H D F F R U G L Q J W R W K H W L P L Q J ) L J L I W K H W R R O L V Q R W D F F X U D W H O \ D V V H P E O H G
turn the camshafts slightly using a 26 mm wrench to the correct position at which to secure the tool.
Page 251 of 1173
1
L824 01 09 09
Fig.1
A
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 $
9 D O Y H V R Y H U K D X O 3 U H O L P L Q D U \ R S H U D W L R Q V •Extract the two camshafts (010903).
•
Remove the tappets and the valve unit from their housings (010903)and place them in the correct order on the
workbench so it is possible to re-establish their original positions when they are reassembled.
2 Y H U K D X O
1. Check the head valve ( A-Fig.1) and the seat ( B-Fig.1) conditions; if necessary, replace the valve or remake the
seat.
To clean the valves, proceed as follows:
•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 .
2. Check the valve guides ( C-Fig.1) and the oil seal ( D-Fig.1) wear; if necessary, replace the valve guide following
W K H W H F K Q L F D O V S H F L ¿ F D W L R Q V D O Z D \ V U H S O D F H W K H V H D O
3. Clean the tappet, spring and shim pack ( E-Fig.1) in the following order:
a. Wash.
b. Remove grease.
c. Blow.
• Reassemble the tappets and 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).