Generac 6.8 L / QT 130kW — Changing Engine Oil
Maintenance · Engine crankcase
For the Generac 6.8 L / QT 130kW, from the Generac owner's manual.
Applies to: Generac V-type engine
Before you start
- After refilling the crankcase with oil, always check oil level on dipstick. NEVER OPERATE ENGINE WITH OIL BELOW THE DIPSTICK "ADD" MARK.
Procedure
- Remove oil drain hose from its retaining clip.
- Loosen and remove oil drain hose cap. Drain oil completely into suitable container.
- Install and tighten oil drain hose cap, then re-install into its retaining clip.
- Turn oil filter counterclockwise and remove. Dispose of old filter.
- Apply light coating of new engine oil to seal of new oil filter. Install and tighten by hand only.
- Remove oil fill cap. Add recommended oil. Do not fill above dipstick FULL mark.
- Start engine and check for oil leaks.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Crankcase oil capacity 4.0 U.S. quarts (3.8 liters)
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.