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Generac 005336-0 / 005337-0 — Changing Engine Oil

Maintenance · Engine lubrication system

For the Generac 005336-0 / 005337-0, from the Generac owner's manual.

Applies to: Generac In Line engine

Before you start

  • Never operate engine with oil below the dipstick ADD mark.
  • Do not over tighten the oil filter.

Procedure

  1. Warm up engine, shut it down and drain oil immediately.
  2. Remove OIL DRAIN HOSE from its retaining clip.
  3. Loosen and remove OIL DRAIN HOSE CAP; drain oil completely into suitable container.
  4. Install and tighten OIL DRAIN HOSE CAP and re-install into retaining clip.
  5. Turn OIL FILTER counterclockwise and remove; dispose of old filter.
  6. Apply light coating of new engine oil to seal of new oil filter; install and tighten by hand only.
  7. Remove OIL FILL CAP; add recommended oil. Do not fill above dipstick FULL mark.
  8. Start engine and check for oil leaks.

Specs & values

  • Crankcase oil capacity is 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.

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