Valve stem oil seal (page 3 of 3)

12. Use tool 18G 1577 to remove valve stem oil seal.
13. Repeat operations to remove second exhaust valve oil seal.

Refit

1. Lubricate new valve stem oil seal with engine oil.
2. Use tool 18G 1577 to fit new oil seals.
3. Fit valve spring and spring cap to each valve.

4. Assemble tool 18G 1657 in over exhaust valve.
5. Locate valve spring cap with compressor tool 18G 1657/13
6. Screw down valve spring compressor until valve stem collet groove is level with top face of spring cap.
7. Attach collets to end of a small flat screwdriver with grease and locate collets in valve stem groove.
8. Unscrew valve spring compressor ensuring collets are correctly located in valve spring cap.
9. Repeat refit operations on second valve.
10. Remove valve spring compressor tool 18G 1657.
11. Lubricate tappets with clean engine oil and refit.
12. Disconnect air line from adaptor tool MS 1567.
13. Remove air line adaptor tool MS 1567.
14. Clean spark plugs and set gaps to 0.85 mm.
15. Fit spark plug and tighten to 27Nm.
16. Fit inlet and exhaust camshafts. See ’K’ Series Engine Overhaul Manual - Overhaul.
17. Fit camshaft cover. See this section.
18. Connect battery earth lead.