Section V - Engine Component Specifications - Group 18
Component Specifications and Torque Values
Component or Assembly (Procedure)
Valve Insert Bore I.D. (Standard Insert)
Note: Refer to Cylinder Head - Oversize
Valve Seat Installation for oversize valve
Valve Seat Grinding Depth
Seat grinding depth is the difference in
dimension `B' before and after grinding.
Cylinder Head Cracks - Reuse Guidelines
These guidelines apply only to cracks extending from the injector bore to the intake valve seats.
Replace cylinder heads which exhibit valve bridge cracks in any other location.
The reuse guidelines for a cylinder head with a crack extending from the injector bore to the intake
valve seat are as follows:
If the crack does not extend into the valve seat, the head is reusable.
If the crack extends into or through the valve seat, the head must be repaired by installing a valve
seat insert as described in the Alternative Repair Manual, Bulletin No. 3810234.
Cylinder Head Mounting Capscrew (Tighten
in the Sequence Shown)
- Recheck to
(Long Capscrews Only)
(Long Capscrews Only) - Recheck to
- Rotate 90 degrees - All
Rocker Lever Bore Diameter