Lotus Elise S1 Service Notes page 183

ENGINE
18G1770
18G1770/2
18G1770
16
12M3518A
17
)
M
!•• • II
12M3666
17. Measure widest portion of Plastigage on each
inlet camshaft journal on camshaft carrier:
Inlet camshaft bearing journal clearances:
25 mm diameter journals = 0.025 to 0.060 mm
Service limit = 0.1 mm
40 mm diameter journals = 0.030 to 0.070 mm
Service limit = 0.1 mm
14. Assemble clamps 18G 1770 to front and rear
inlet camshafts and VVC assemblies, fit
camshaft gear bolts and washers to retain
clamps.
15. Remove slave bolts securing VVC housings to
camshaft carrier.
16. Remove front and rear inlet camshafts and
VVC housings from camshaft carrier.
~ CAUTION: If new VVC housing gaskets
/ j \ have been fitted do not remove timing
plates 18G 1770/1 and 18G 1770/2.
12M3442A
18. Measure widest portion of Plastigage on each
exhaust camshaft journal:
Exhaust camshaft bearing clearance = 0.060 to
0.094 mm
Service limit = 0.15 mm
19. If bearing clearances on any camshaft are
excessive, fit new exhaust camshaft or inlet
camshafts and VVC assemblies and repeat
check. If clearances are still excessive, replace
cylinder head and camshaft carrier assembly.
4 6 OVERHAUL