4.0. Cylinder head:
1 - cylinder head gasket
2 - cylinder head
3 - lifting eye
4 - bolt. Tightening torque - 25 Nm
5 - centering pin
6 - cylinder head mounting bolt
7 - intake manifold sealing gasket. To be replaced after each dismantling
8 - intake manifold
9 - intake manifold mounting bolt. Tightening torque -10 Nm
10 - oil filler cap
11 - Oil filler cap sealing gasket
12 - Oil filler neck sealing gasket
13 - Protective cover of the cylinder head cover
14 - Cylinder head cover fastening nut. Tightening torque - 10 Nm
15 - cylinder head cover
16 - Cylinder head cover gasket
17 - fresh air intake valve to the exhaust valves with connecting pipe
18 - valve mounting bolt. Tightening torque - 10 Nm
19 - valve sealing gasket
20 - bolt. Tightening torque - 10 Nm
21 - Cooling system pipeline
22 - sealing ring. To be replaced after each dismantling
23 - plug on the end side of the cylinder head
Please note: The Motronic fuel injection system provides for the afterburning of unburned particles by supplying fresh air to the exhaust valves using a separate air pump.
(Text provided by the online resource: AUDIMANUAL.ru)