Lotus Elise Service Notes page 209

ENGINE
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9. Tighten all 10 cylinder head bolts progressively
in sequence shown lo 20 Nm.
Use a felt tip pen and mark position of radial
mark on each bolt head.
Tighten all bolts in sequence shown through
180°
Tighten all bolts in sequence shown through
another 180° and align mark.
CAUTION: If any bolt is overtightened,
l \ back off 90 and re-align.
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10. Upon completion of tightening sequence,
position camshafts with inlet pin at 4 o'clock
and exhaust pin at 8 o'clock; remove timing
gears.
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CAUTION: Ensure camshafts do not rotate
when gears are removed.
11. Fit camshaft cover and timing gears.
12. Fit new spark plugs, tighten to 25 Nm.
If fitted
Cylinder head - K16 VVC engines - refit
CAUTION: If crankshaft has been rotated,
/ j \ check that timing mark on crankshaft
timing gear is aligned with flange on oil
pump and that tool 18G 1571 is locking flywheel.
1. Check cylinder head bolts in oil rail. See
Cylinder head bolt inspection - Renew bolts
as necessary.
2. Check that 2 locating dowels are fitted in
cylinder block.
3. Oil cylinder head bolts, under heads and
threads o< bolts.
4. Remove cylinder liner retainer clamps 18G
1736.
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CAUTION: Do not rotate crankshaft until
cylinder head bolts are fitted.
5. Fit new cylinder head gasket DRY, with
identification marks facing upwards on to
cylinder block.
CAUTION: Take care not to damage
l \ sealing faces of gasket.
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6. Using assistance, fit cylinder head on to
cylinder block carefully locating ring dowels
7. Carefully enter cylinder head bolts in their
original fitted locations; DO NOT DROP. Lightly
tighten bolts.
13. Connect multiplugs to coils, position coils to
numbers 1 and 3 spark plugs, fit bolts and
tighten to 8 Nm.
14. Secure multiplug harness in clips.
15. Connect HT leads to numbers 2 and 4 spark
plugs, secure leads in clips.
16. Position multiplug bracket to camshaft carrier,
fit bolts and tighten to 15 Nm.
All engines
17. Lubricate new 'O' ring with engine oil and fit to
camshaft sensor.
18. Fit camshaft sensor, fit bolt and tighten to 5
Nm,secure harness in clip.
19. Fit timing belt tensioner pillar bolt and tighten to
25 Nm.
NOTE: Do not fit timing belt tensioner until
/ \ camshaft timing belt is fitted.
7 2 OVERHAUL