18 ENGINE
18.4.20 Checking the pivot points of the camshafts
306759-10
306760-10
306761-10
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 6).
I
Plastigauge
clearance gauge (60029012000) (
a
p. 323)
Position camshaft bearing bridge
0-
Mount and tighten the
screws.
Guideline
Screw,
M7x1
14 Nm (10.3 lbf ft)
camshaft
Lubricated with engine
bearing bridge
Info
Ensure that the dowel pins are seated properly.
Do not turn the camshaft.
oil
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.
191
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