Detroit Diesel — Replace Exhaust Valve Guide
Repair & overhaul · Exhaust Valves
From a Detroit Diesel service manual — check it applies to your exact model before use.
Before you start
- Do not use the valve guides or the valve bridge guides as a means of turning the cylinder head over.
Procedure
- Remove and discard the oil seal.
- Drive or press the valve guide out from the bottom of the cylinder head with tool J 23458.
- Insert the internally threaded end of the valve guide in valve guide installing tool J 22082-01.
- Position the valve guide squarely in the bore and tap gently to start the guide.
- Press the guide in until the tool contacts the cylinder head (height 1.140"-1.180").
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Valve guide installed height 1.140"-1.180"
Source: Detroit Diesel service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.