30/ASSEMBLING THE ENGINE 141
Guideline
Cylinder head screw M10 Tightening
sequence:
Tighten diag-
onally, begin-
ning with the
rear screw
on the chain
shaft.
Step 1
15 Nm
(11.1 lbf ft)
Step 2
30 Nm
(22.1 lbf ft)
Step 3
45 Nm
(33.2 lbf ft)
Step 4
60 Nm
(44.3 lbf ft)
Lubricated with
engine oil
Info
Always use new cylinder head screws.
– Mount and tighten screws .
Guideline
Screw, cylinder head M6 10 Nm
(7.4 lbf ft)
Loctite
®
243â„¢
19.19Installing camshafts
300163-10
– Lay the timing chain over the camshaft. Push the timing chain into the bearing
seats. The middle drill hole of the camshaft  and the drill hole of the cylinder
head  must be aligned.
Info
Make sure that the crankshaft is at top dead center.
300022-10
– Position the camshaft support plate . Mount and tighten screw .
Guideline
Screw, camshaft support
plate
M6 10 Nm
(7.4 lbf ft)
Loctite
®
243â„¢
19.20Installing timing chain tensioner
300017-11
– Insert the timing chain tensioner .
– Mount and tighten plug  with the new seal ring.
Guideline
Plug, timing chain tensioner M20x1.5 25 Nm
(18.4 lbf ft)
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