Generac G-Force 400 Series / RTG16EZA3 — Changing the Oil and Oil Filter
Maintenance · Engine oil system
For the Generac G-Force 400 Series / RTG16EZA3, from the Generac owner's manual.
Applies to: Generac G-Force 400 Series engine, Generac G-Force 800 Series engine, Generac G-Force 1000 Series engine
Before you start
- Risk of burns. Allow engine to cool before draining oil.
Procedure
- Run engine until warm, then press OFF and let cool.
- Place oil drain hose end in a suitable container and drain oil.
- Install drain hose cap and secure hose in retaining clip.
- Remove oil filter by turning counterclockwise.
- Coat new filter gasket lightly with clean engine oil.
- Install filter by hand, then tighten three-quarter to one full turn.
- Fill with recommended oil, run one minute, check for leaks.
- Stop engine, wait five minutes, check level, install dipstick and fill cap.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Oil: Synthetic SAE 5W-30 Amazon eBay $47.95
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.