996 Carrera Group 1 – Part 2 Engine / PAGE 56
15 59 24 Installing valve tappets · 1. Check guide for damage.
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911 Carrera (996) Engine -Cylinder head, valve drive
15 59 24 Installing valve tappets
1. Check guide for damage.
Refer to: Checking guide for valve
tappet, ServoNo. 15 5902
I'\~~ 2. Fit guide. Tighten pan-headscrews (M6 x 35)
from the inside to the outside. Tightening
torque 10 Nm (7.5 ftlb.) I
3. Lightly oil the valve tappet and fit it in y,,\
the guide. r
4. Lay the complete unit, camshafts with chain
and tensioning element in the cylinder head. 218_97
The groove or tab of the camshaft position
sensor cover must face upward 6. Check dowel sleeves (4 ea.) of the bearing
If the allocation should be uncertain, e.g. saddles to ensure that they are properly
chain jumped over, reallocationis necessary. seated in the cylinder head.
Refer to: Completing camshafts, Oil bearing surface. Fit bearing saddles in
ServoNo 1505 33. the correct position and tighten evenly.
Tighteningtorque 10 Nm (7.5 ftlb.)
hi ~'"
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246_97 401_1_96
E = Bearing saddle for inlet camshaft
5. Special tool 9611; fit holding-downdevice for A = Bearing saddle for exhaust camshaft
camshafts. Fit auxiliary screws M6 x 45 with
7. Fit tensioning element(VarioCam). washers and tighten to 10 Nm (7.5 ftlb.).
Tighten 3 M6 x 95 pan-headscrews.
Tighteningtorque 10 Nm (7.5 ftlb.)
15 59 24 Installing valve tappets 15 -55
Printed in Germany -10, 1998 9961555
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