General Motors — Checking/Filling Engine Oil Level
Maintenance
From a General Motors service manual — check it applies to your exact model before use.
Applies to: General Motors 1.6L engine
Before you start
- Overfilled crankcase (oil level too high) can cause an oil leak, oil pressure fluctuation or drop, and rocker arm clatter.
Procedure
- Stop engine if in use.
- Allow sufficient time (approximately 5 minutes) for oil to drain back into the oil pan.
- Remove the dipstick, wipe with a clean cloth, reinstall and push all the way in.
- Remove the dipstick and note the oil level.
- Oil level must be between the FULL and ADD marks.
- If below ADD, remove the oil filler cap from the valve rocker arm cover.
- Add the required amount of oil up to but not over the FULL mark.
- Reinstall the oil filler cap and wipe any excess oil clean.
Specs & values
- Oil level must be maintained between the ADD and FULL marks on the dipstick
Source: General Motors service 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.