Isuzu 4le1t — EGR cooler air bleeding procedure
Maintenance · EGR cooler / cooling system
For the Isuzu 4le1t, from the Isuzu service manual.
Applies to: Isuzu 4le1t, Isuzu 4LE1 engine
Before you start
- Replace the copper packing with a new one if the air bleed plug is loosened.
- Replace the coolant when it is cooled.
Procedure
- Loosen the air bleed plug on the EGR cooler.
- Pour coolant into the radiator via its opening.
- Tighten the plug when the coolant spills over from the air bleed plug.
- Pour coolant into the radiator again until filled.
- Idle the engine for approx. 5 minutes, stop the engine, and check radiator and reserve tank levels.
Specs & values
- Air bleed plug: 24.5 — 30.5 N·m {2.5 — 3.1 kgf·m/18.1 — 22.5 lb·ft}
Full service-parts list: Isuzu 4le1t →, Isuzu 4LE1 engine →
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.