[Solved] Before installing a new or rebuilt transmission, which of the following must be carefully cleaned and inspected? A) Transmission oil cooler. B) Rear differential . C) Transfer case mating surface. D) None of the answers listed Peripheral Vision: That portion of vision that occurs outside the very center of gaze, allowing humans to detect movement and shapes not in the direct line of sight. Sclera: The white or sclerotic outer coat of the eye. Musculature: The system of muscles within the body, contributing to physical strength, movement, and posture. Rule Out: To eliminate or exclude something as a possibility through investigation or evidence.