7 Series E65 735i (N62) SAL
11 34 552
Removing and installing/replacing all valves
(N62)
(cylinder head removed)
Preliminary tasks are described in Disassembling and
assembling cylinder head.
Remove valve springs.
Remove valve stem seals.
Remove valves from cylinder head.
Installation:
If necessary, check valve guide for wear.
If necessary, remachine valve seat.
Important!
Incorrect installation possible.
Valve springs of exhaust and inlet camshafts are different.
Incorrect installation will result in engine damage.
Note:
Valve springs for exhaust valves are approx. 4 mm longer.
1)
Valve springs of inlet valves
2)
Valve springs of exhaust valves
Important!
Incorrect installation possible.
Incorrect installation will result in valve spring breakage.
Color marking (1) is normally on lower end of valve spring.
Only the diameter is decisive for the correct installation of the
valve springs.
Install valve spring so that larger diameter points to spring
plate at bottom.
RA Removing and installing/replacing all valves (N62)
BMW AG - TIS
08.02.2013 03:13
Issue status (12/2007) Valid only until next DVD is issued
Copyright
Page - 1 -
