Vehicles after change point in 1982
REMOVING AND INSTALLING
VALVES
- Cylinder Head Removed -
Mount cylinder head on Special Tool 11 1 065 with Special Tool 11 1 054.
Bolt down Special Tool 11 1 065 ...

M8811082 - click to zoom
 
... and 11 1 051.
Mount Special Tool 11 1 068 with Special Tool 11 1 052 and 11 1 067.
Unscrew spark plugs.
Installation:
Tightening torque*.


Siehe auch * See Specifications of Group 12
M8811083 - click to zoom
 
Place Special Tool 11 1 053 (tray) in assembly fixture.

M8811084 - click to zoom
 
Compress valve springs and remove valve collets.

M8811085 - click to zoom
 
Remove upper spring retainer and valve springs.
Take tray out of assembly stand and pull out valve.
Installation:
Lubricate valve guide and valve stem with oil.
Double spring set can be installed retroactively together with the new spring retainers.

M8811086 - click to zoom
 
Pull off valve stem seal with Special Tool 11 1 250.
Check valve guide for wear - 11 12 595.


Siehe auch 11 12 595
M8811087 - click to zoom
 
Install valves and place Special Tool 11 1 053 (tray) in fixture.
Use Special Tools 11 1 360 (sleeves) to avoid damaging the valve stem seals.
Lubricate valve stem seals (2) with oil and install.
Source for Sleeves:
Cartool
Alfred-Brehm-Str. 5
D-85053 Ingolstadt

M8811088 - click to zoom
 
Press on valve stem seal against stop with Special Tool 11 1 190.
New, improved valve stem seals with grooves on the inside are pressed on by hand
with Special Tool 11 1 200.
Special Tool 11 1 200 has two diameters - for 7 mm (0.276") and 8 mm (0.315")
valve stem seals.

0000005 - click to zoom