36/CYLINDER HEAD 152
25.6Removing the front camshafts
– Remove the front timing chain tensioner. ( p. 153)
200548-10
– Remove spark plug shaft insert .
– Loosen and remove screws from the outside to the inside.
Info
The cams should not activate the valves.
– Remove the camshaft bearing bridge.
– Raise the camshaft at the rear and take the timing chain off of the rear sprocket.
Remove the camshaft.
25.7Installing the front camshafts
200553-10
– Pull up the timing chain and insert intake camshaft .
Info
The intake camshaft is labeled with INFR.
– Place the timing chain over the rear sprocket of the intake camshaft.
– Position exhaust camshaft .
Info
The exhaust camshaft is labeled with EXFR.
– Place the timing chain over the rear sprocket and position the camshaft in the
bearing set.
Markings must be flush with the edge of the cylinder head.
– Position the camshaft bearing bridge.
– Mount screws and tighten them from the outside to the inside.
Guideline
Screw, camshaft bearing
support
M6 10 Nm
(7.4 lbf ft)
–
Screw, camshaft bearing
support
M8 Step 1
10 Nm
(7.4 lbf ft)
Step 2
18 Nm
(13.3 lbf ft)
–
Screw, camshaft bearing
support
M8 Step 1
8.5 Nm
(6.27 lbf ft)
Step 2
14.5 Nm
(10.7 lbf ft)
Only applies when
using:
Hex key bit
(61229025000)
( p. 200)
Hex key bit (61229025000) ( p. 200)
– Grease the O-rings and mount the spark plug shaft insert.
– Install the front timing chain tensioner. ( p. 153)
25.8Removing the rear timing chain tensioner
– Check the valve clearance. ( p. 149)
200549-10
– Remove screw with the O-ring.
– Pull out timing chain tensioner .
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