- Camshaft timing gear.
First remove the M6 cylinder he1id
screws, then the M10 cylinder head
screws.
1. Cylinder head screws M 10
2. Cylinder head screws M 6
Pull up cylinder head.
Remove timing chain guide (fixed).
Remove and discard the cylinder head
gasket,
1. Cylinder head
2. Timing chain
3. Chain guide (fixed)
4. Cylinder head l gasket
Inspecting the Cylinder Head
Inspect timing chain guide (fixed) for
wear, cracks or other damages.
Replace if necessary.
Check for cracks between valve seats,
if so, replace cylinder head.
Check mating surface between
cylinder and cylinder head for
contamination. If so, clean both
surfaces.
Clean oil support through the cylinder
head from contamination.
1. Oil port to lubricate camshaft lobes
intake /exhaust
2. Oil supply to camshaft bearing
journal (timing chain side)
3. Oil supply to camshaft bearing
journal (spark plug side)
Inspecting theCylinder Head
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