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2. Automatic transmission fluid - Wikipedia

   en.wikipedia.org/wiki/Automatic_transmission_fluid

   The Hydra-Matic transmission required a special lubricant GM called Transmission Fluid No. 1. for the Hydra-Matic Drive. This transmission fluid was only available at Oldsmobile, Pontiac, and Cadillac dealerships. As technology advanced and OEMs demanded longer-lasting and higher-quality automatic transmissions, so too did automatic ...

3. Gear oil - Wikipedia

   en.wikipedia.org/wiki/Gear_oil

   Some modern automatic transaxles (integrated transmission and differential) do not use a heavy oil at all but lubricate with the lower-viscosity hydraulic fluid, which is available at pressure within the automatic transmission. Gear oils account for about 20% of the lubricant market. [1]

4. Synthetic oil - Wikipedia

   en.wikipedia.org/wiki/Synthetic_oil

   A sample of synthetic motor oil Synthetic oil is a lubricant consisting of chemical compounds that are artificially modified or synthesised. Synthetic oil is used as a substitute for petroleum-refined oils when operating in extreme temperature, in metal stamping to provide environmental and other benefits, and to lubricate pendulum clocks .

5. Motor oil - Wikipedia

   en.wikipedia.org/wiki/Motor_oil

   The International Lubricant Standardization and Approval Committee (ILSAC) also has standards for motor oil. Introduced in 2004, GF-4 [28] applies to SAE 0W-20, 5W-20, 0W-30, 5W-30, and 10W-30 viscosity grade oils. In general, ILSAC works with API in creating the newest gasoline oil specification, with ILSAC adding an extra requirement of fuel ...

6. Continuously variable transmission - Wikipedia

   en.wikipedia.org/wiki/Continuously_variable...

   A continuously variable transmission (CVT) is an automated transmission that can change through a continuous range of gear ratios, typically resulting in better fuel economy in gasoline applications. [1] This contrasts with other transmissions that provide a limited number of gear ratios in fixed steps.

7. Hydraulic fluid - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_fluid

   Most are mineral oil or silicone based fluids, while some use automatic transmission fluid, made from synthetic base oil. [8] [9] Automatic transmissions use fluids for their lubrication, cooling and hydraulic properties for viscous couplings. Use of the wrong type of fluid can lead to failure of the power steering pump. [8]