Housing - camshaft - reseal and renew oil seals (page 2 of 2)

6. Remove 2 bolts securing coil bracket to cylinder head and position aside.
7. Remove camshaft cover. See this section.

8. Using the sequence shown, progressively loosen 26 bolts securing camshaft carrier to cylinder head, until valve spring pressure is no longer acting on camshafts.
9. Remove camshaft carrier.
10. Remove both camshafts.
11. Remove and discard oil seals from camshafts.

Refit

1. Clean camshafts.
2. Clean mating faces of cylinder head and camshaft carrier.
3. Clean camshaft carrier bolt holes and dowels.
4. Blow out oil ways and lubricate camshaft journals.
5. Fit camshafts and position inlet drive pin at 4 o’clock and exhaust camshaft drive pin at 8 o’clock.
6. Apply continuous thin beads of sealant, Part No. GUG 705963GM to paths on camshaft carrier then spread to an even film using a roller or brush.
7. Fit camshaft carrier to cylinder head.
8. Fit and progressively tighten bolts securing camshaft carrier to cylinder head to 10 Nm.
9. Clean camshaft seal locations and running surfaces.