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.
To find out what type of transmission fluid your vehicle uses, check out this article about different types of transmission fluid. Lastly, how often you get your transmission fluid changed depends on whether you flush your entire system or just drain the pan. Your transmission may hold 15 to 20 quarts of fluid or more! If you simply drain the transmission fluid pan you will only change 3-5 quarts leaving lots of dirty fluid still in the system.