Filling With Coolant - Isuzu AU-4LE1T Maintenance Manual

IMLE0021
Air Bleeder Plug
IMLE0056
2) Drain away the coolant from the engine by loosening the water drain
plug at the rear of alternator on the left side of cylinder body.

Filling with coolant

1) Close or tighten the coolant drain plug.
2) Fill up the radiator with the coolant until the level comes up to the filler
port neck.
Fill gradually to prevent air entry.
Coolant volume (Engine only) :
Refer to "Main Data Specifications"
3) Loosen the air bleeder plug of the EGR cooler to bleed air from the
EGR cooler. (Turbocharged engine only)
CAUTION:
If loosening the air bleeder plug, be sure to replace it with new
one.
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