Lotus Elise S1 Service Notes page 197

ENGINE
Valves - assembling
13,14
1.
2.
a
Using 18G 1577, fit new valve stem oil seals.
Lubricate valve stems and assemble valves,
using tool
18G 1519
and adapter
18G 1519/1,
to compress valve spring.
CAUTION: Valve springs are either colour
coded or plain, ensure correct springs are
fitted:
K8 - Yellow/red
K16 - Non VVC engines - Plain
K16 - VVC engines - Blue
M12 7254
3. Use a wooden dowel and mallet, lightly tap top
of each valve assembly two or three times to
seat valves and collets.
4. Lubricate outside of tappets and fit tappets in
original bores.
10. Lubricate 3 new 'O' rings with engine oil and fit
to spool valve.
11. Lubricate new 'O' rings with engine oil and fit to
each side of spool valve, nut, washer, inner
solenoid and sleeve bolt side of outer solenoid.
12. Lubricate spool valve and bore in control unit
with engine oil.
13. Position spool valve to control unit, fit valve,
twisting it slightly as it is inserted to avoid
damaging 'O' rings.
14. Tighten spool valve nut to 26 Nm.
15. Position inner solenoid on spool valve ensuring
that lettering on end of solenoid is facing away
from control unit.
16. Fit washer and 'O' ring.
17. Position outer solenoid on spool valve ensuring
that lettering on end of solenoid is facing away
from control unit.
18. Position inner and outer solenoids as shown, fit
nut to sleeve bolt and tighten to 12 Nm.
~ CAUTION: Do not exceed specified torque
n \ figure.
19. Retain oil temperature transmitter with control
unit, plug oil temperature transmitter port to
prevent ingress of dirt.
6 0 OVERHAUL