Calcium compounds are widely used. There are vast deposits of limestone (calcium carbonate) used directly as a building stone and indirectly for cement. When limestone is heated in kilns it gives off carbon dioxide gas leaving behind quicklime (calcium oxide).
How to Change Transmission Fluid. Transmission fluid needs to be changed from time to time in order to extend the life of the transmission, usually every 30,000â60,000 miles (48,000â97,000 km) (sometimes more â check your owner's manual for service intervals).
Transmission fluid should be changed every 15,000 to 20,000 miles, more often if you take the vehicle to the track. In such cases, we would recommend changing both the engine and transmission fluid prior to every track day. Photo 3/15 | As the transmission is draining you can move on and remove the intake piping.