Generac GP3300 — Change Engine Oil
Maintenance
For the Generac GP3300, from the Generac owner's manual.
Applies to: Generac GP3300
Before you start
- Risk of burns. Allow engine to cool before draining oil or coolant.
- Accidental start-up. Disconnect spark plug wires when working on unit.
Procedure
- Place generator on a level surface.
- Remove screws, side cover and spark plug cover.
- Disconnect the spark plug wire and place where it cannot contact spark plug.
- Clean area around oil fill and oil drain plug.
- Remove oil fill cap/dipstick and wipe dipstick clean.
- Tip unit and drain oil completely into a suitable container.
- Install oil drain plug and tighten securely.
- Insert funnel and add recommended engine oil.
- Verify oil level is within safe operating range.
- Install oil fill cap/dipstick and hand-tighten.
- Wipe up any spilled oil.
- Install side panel, screws, and spark plug cover.
- Properly dispose of oil in accordance with all applicable regulations.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Oil capacity: 0.6 L (0.6 qt)
Full service-parts list: Generac GP3300 →
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.