guide taper (1) onto valve seat. Starting from combustion chamber side, ream valve guide dry. Rotate reaming
tool once in downwards direction.
Fig. 46: Pressing Guide Taper Onto Valve Seat
Courtesy of BMW OF NORTH AMERICA, INC.
11 12 719 RESURFACING CYLINDER HEAD SEALING SURFACE (M52 / M52TU / M54 / M56)
(cylinder head dismantled)
Check flatness of cylinder head sealing surface with a commercially available straightedge.
NOTE: Remachine valve seat after reaming. Refer to 11 12 527 REMACHINING A VALVE
SEAT (M52 / S52 / M52TU / M54 / M56).
2006 BMW X5 30i
2004-2006 ENGINE Engine Mechanical - Repair Instructions - X3 & X5 (M54)
sábado, 2 de octubre de 2021 11:25:51 p. m. Page 51 © 2011 Mitchell Repair Information Company, LLC.
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