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.
Changing the transmission fluid in a vehicle should take place based on the manufacturer's written recommendation, which ranges from 30,000 to 60,000 miles for manual transmissions and 60,000 to 100,000 miles for automatic transmissions. More frequent changes do not harm the components.