Isuzu — Air Bleeding - Distributor Type Injection Pump
Maintenance · Fuel system
From a Isuzu service manual — check it applies to your exact model before use.
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Procedure
- Loosen the bleeder screw on the injection pump overflow valve.
- Operate the priming pump until fuel mixed with foam flows from the bleeder screw.
- Tighten the bleeder screw.
- Operate the priming pump several times and check for fuel leakage.
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.