Answer :
Final answer:
The major types of oil pumps used in an automatic transmission are gear, vane, and gerotor pumps.
Explanation:
The major types of oil pumps used in an automatic transmission are gear, vane, and gerotor pumps. Gear pumps utilize interlocking gears to pump fluid, vane pumps use sliding vanes to create suction and move fluid, while gerotor pumps combine gear and vane pump principles.
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