17 ENGINE
17.4.20 Checking the pivot points of the camshafts
311625-10
311626-10
- Check the pivot points of the camshafts.
If there is damage or wear:
- Change the cylinder head with the camshaft bearing
bridge.
- Position the camshafts.
✓ The valves are not activated.
- Insert the
Plastigauge
clearance gauge in area f).
I
Plastigauge
clearance gauge (60029012000) (
�
p. 289)
- Position camshaft bearing bridge
0-
Mount and tighten the
screws.
Guideline
Screw,
M7x1
14 Nm (10.3 lbf ft)
camshaft
Lubricated with engine
311627-10
311628-10
196
bearing bridge
oil
•
Info
I
Ensure that the dowel pins are seated properly.
Do not turn the camshaft.
- Remove camshaft bearing bridge
O
again. Compare the
Plastigauge
clearance gauge with the specifications on the
packaging.
Guideline
Camshaft bearing - sleeve bearing
Radial clearance
0.020 ... 0.054 mm (0.00079
... 0.00213 in)
Wear limit
0.065 mm (0.00256 in)
Info
The width of the
Plastigauge
clearance gauge is a
measure of the bearing play.
- Take off the camshafts and clean the parts.
..