30/ENGINE ASSEMBLY
170
21.25
Checking the valve timing
Condition
Camshaft gears were not loosened.
304943-10
–
Mount the special tool and tension the timing chain.
Insert, timing chain tensioner (77229035000) (
–
Position special tool
1
.
Adjustment bush bridge (77229050000) (
–
Check the valve timing.
The special tool must be in full contact with the flat areas.
» If the special tool is not in full contact:
–
Take off the special tool.
–
Remove the camshaft. (
–
Pull the camshaft gears off the camshafts.
–
Adjust the valve timing. (
–
Remove the special tool.
Adjustment bush bridge (77229050000) (
Insert, timing chain tensioner (77229035000) (
21.26
Adjusting the valve timing
Condition
Camshaft gears were loosened.
304944-10
–
Mount special tool
1
and tension the timing chain.
Insert, timing chain tensioner (77229035000) (
304947-10
–
Remove screws
2
.
304949-10
–
Position the special tool.
Adjustment bush bridge (77229050000) (
The valves are not activated.
The special tool must be in full contact with the flat areas of the cam shafts.
–
Mount and tighten screws
3
.
Guideline
Screw, special tool,
adjustment bush bridge
M7x1
10 Nm
(7.4 lbf ft)
Lubricated with
engine oil
Info
Tighten the screws of the exhaust camshaft first.