Isuzu — Coolant change
Maintenance · Cooling system
From a Isuzu owner's manual — check it applies to your exact model before use.
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Before you start
- When removing radiator cap while engine is hot, cover cap with rag and turn slowly to release steam.
Procedure
- Remove radiator cap.
- Open drain valve at radiator lower part to drain coolant.
- Loosen coolant drain plug on left side of cylinder block.
- Close or tighten drain valve and plug.
- Fill radiator with clean city water up to filler port neck.
- Fill gradually to prevent air entry.
- Run engine about five minutes at low idle to bleed air.
- Stop engine and replenish coolant.
Specs & values
- Coolant change interval: every 6 months
- Coolant volume (engine only): 2KC1 about 1.5 L; 3KA1, 3KB1, 3KC1 about 1.7 L
Source: Isuzu owner's 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.