Cylinder Head Cracks - Reuse Guidelines (2-08)
Cylinder Head - Group 2
B Series Shop Manual
Cylinder Head Cracks - Reuse Guide-
These guidelines apply only to cracks extending through
the valve seats.
The reuse guidelines for a cylinder head with a crack
extending from the injector bore to the valve seat is as
If the crack does not extend into the valve seat, the head
If the crack extends into or through the valve seat, the
head must be repaired by installing a valve seat insert per
the Alternative Repair Manual, Bulletin No. 3810234.
Valve Spring Inspection (2-09)
Inspect the Valve Springs.
Measure the valve spring.
Approx. Free Length (L) : 55.63 mm [2.190 in.]
Maximum Inclination: 1.0 mm [0.039 in.]