Generac MFH500 — Checking Engine Coolant Level
Maintenance · Radiator
For the Generac MFH500, from the Generac owner's manual.
Applies to: Generac MFH500, Isuzu 4JJ1TT4 engine
Before you start
- Risk of burns. Do not open coolant system until engine has completely cooled.
Procedure
- Remove radiator fill cap.
- Check coolant level and degree of fouling.
- Install radiator cap securely.
Specs & values
- Coolant level should be approximately 0.39 in (10 mm) below the radiator core top.
Full service-parts list: Generac MFH500 →, Isuzu 4JJ1TT4 engine →
Source: Generac 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.