Cylinder head, camshaft and valves
- 1 - exhaust valve;
- 2 - inlet valve;
- 3 - gasket;
- 4 - internal valve spring;
- 5 - outer valve spring;
- 6 - valve spring plate;
- 7 - valve tappet;
- 8 - adjusting washer;
- 9 - camshaft;
- 10 - bearing cap;
- 11 - key;
- 12 - gear camshaft wheel;
- 13 - washer;
- 14 - gear wheel mounting bolt;
- 15 - valve crackers;
- 16 - oil seal;
- 17 - valve spring support washer;
- 18 - valve guide bushing;
- 19 - cylinder head;
- 20 - oil seal
Execution order
1. Loosen the camshaft gear mounting bolt, remove gear 12 and remove segment key 11 from the socket on the shaft.
2. Unscrew the nuts securing the bearing caps 1, 3 and 5, counting from the camshaft drive belt. Mark the caps and remove them.
3. Loosen and evenly unscrew the nuts securing the bearing caps of the 2nd and 4th bearings. Mark the caps and remove them.
4. Remove the camshaft together with the oil seal.
5. Mark and remove the valve tappets. Each tappet has an adjusting washer 8 installed in the recess at the top. It is not recommended to remove the adjusting washers from the tappets, so as not to mix them up during assembly.
[The original article is located on the online resource: AudiManual]