Lotus Elise S1 Service Notes page 126

ENGINE
CYLINDER HEAD COMPONENTS • K16 VVC
ENGINES
1. Bolts - hydraulic control unit
28. Front VVC housing and mechanism
2. Hydraulic control unit body and spool valve
29. Exhaust camshaft oil seals
3. Solenoids
30. Exhaust camshaft
4. 'O' rings
31. Gasket - coolant outlet elbow
5. Spool valve nut
32. Coolant outlet elbow
6. Oil temperature transmitter
33. Sealing washer
7. Piston screw, piston and seal assembly
34. Gasket
8. Rack
35. Coolant temperature sensors
9. Seal plate
36. Bolt - coolant outlet elbow
10. Labyrinth seals
37. Exhaust valve guide
11. Spark plug
38. Exhaust valve
12. Spark plug cover
39. Valve seat insert - exhaust
13. Oil filler cap
40. Valve seat insert - inlet
14. Filler cap seal
41. Inlet valve
15. Screw - spark plug cover
42. Inlet valve guide
16. Washer
43. Cylinder head gasket
17. Bolt - camshaft cover *
44. Valve stem oil seal
18. Camshaft cover *
45. Valve spring
19. Gasket - camshaft cover
46. Valve spring cap
20. Bolt - camshaft carrier
47. Collets
21. Camshaft carrier
48. Hydraulic tappet
22. Control shaft
49. Bolt • cylinder head
23. Rear VVC housing and mechanism
50. Camshaft cover **
24. Gasket - VVC housing
51. Bolt - camshaft cover **
25. Bolt - VVC housing
52. 'O' ring - camshaft sensor '*
26. Rear inlet camshaft
53. Camshaft sensor"
27. Front inlet camshaft
54. Bolt - camshaft sensor **
* Eariy engines
" Later engines
DESCRIPTION AND OPERATION 111