CYLINDER HEAD ASSEMBLY REPAIR - CONTINUED
REPAIR - CONTINUED
Apply a light coat of valve lapping compound to each
valve and lap each valve to its companion seat.
Remove valves and clean grinding compound from
valves and seats.
Measure valve seat width.
Valve Seat Width Range Limits
0.060 in. (1.524 mm)
0.080 in. (2.032 mm)
If valve seat is too wide after lapping, grind lower seat
surface (L) using a 60 degree seat grinder, and upper
seat surface (M) with a 15 degree seat grinder until
seat width is centered and within specifications listed
in step 31 above.
If it was necessary to install service valve
guides, install the service guides before
installation the service seats.