Reaming a Valve Guide (M52/S52/M52TU/M54/M56)

11 12 600 - Reaming a valve guide (M52/S52/M52TU/M54/M56)





Special tools required:
- 00 4 210 00 4 210 Seat of Reamers with Guide Cones 6, 7 and 8 mm

(valve removed)





Note:
In event of excessive clearance between valve stem and valve guide:

Valve guide is reamed and a repair valve with a larger stem diameter is installed.





Assemble reaming tool and guide taper (1) from special tool kit 00 4 210 00 4 210 Seat of Reamers with Guide Cones 6, 7 and 8 mm depending on stem diameter. Press guide taper (1) onto valve seat. Starting from combustion chamber side, ream valve guide dry. Rotate reaming tool once in downwards direction.

Note:
Remachine valve seat Remachining a Valve Seat (M52/S52/M52TU/M54/M56) after reaming.