Isuzu 4HK1 / 6HK1 — Inlet cover removal
Repair & overhaul
For the Isuzu 4HK1 / 6HK1, from the Isuzu service manual.
Applies to: Isuzu 4HK1, Isuzu 6HK1
Before you start
- Do not forget bolt inside inlet cover.
Procedure
- Remove common rail.
- Remove inlet pipe.
- Remove case ASM.
- Remove inlet cover (be careful of bolt inside).
- Peel liquid gasket off carefully.
Tools required
- hand tools
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Isuzu 4HK1 →, Isuzu 6HK1 →
Source: Isuzu 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.