3.5L oil capacity question
What is the current recommended oil capacity, with an oil filter change, for a 3.5L engine in a Pontiac G6 GT? My owner’s manual says 4.0 quarts. GM’s online manual says 4.0 quarts. But the GM dealer put in at least 4.5 quarts.
The oil level on my engine’s dipstick is above the full mark and into the twisted / spiral area of the dipstick. The GM dealership told me there was a revision to the 4.0 quart specification. Has anyone heard of a new oil capacity spec. for the 3.5L engine? Thank you.