indifference. n. 1. the fact or state of being indifferent; lack of care or concern. 2. lack of quality; mediocrity. 3. lack of importance; insignificance.
Rating Newest Oldest. Best Answer: A manual Transmission will use Gear oil or transmission fluid. and an automatic transmission will use Automatic transmission fluid. Gear oil is a very thick type of oil (engine oil is 30 weight and gear oil is 80 weight) that is thrown around inside the transmission when the gears are turning. Automatic transmission fluid is a Hydraulic fluid that is designed to be pumped and it operates several clutches band brakes inside the transmission.
What type of transmission fluid should you use? Automatic transmissions use a special type of oil, called Automatic Transmission Fluid, or ATF. This fluid has a number of duties in the transmission, including lubrication, cooling and clutch application.