Veins and Venules: Veins are the large return vessels of the body and act as the blood return counterparts of arteries. Because the arteries, arterioles, and capillaries absorb most of the force of the heartâs contractions, veins and venules are subjected to very low blood pressures.
Wondering when to change your automatic transmission fluid (ATF)? Most manufacturers recommend replacing transmission fluid every 30,000 to 60,000 miles. If you tow, or do mostly city driving with constant changes of gears, it may be wise to change your ATF even more often. Here's why. Your automatic transmission has a lot of moving parts.
Save. If you have manual transmission, you need to change the transmission fluid on your Volkswagen Beetle every 60,000 miles or four years. If you have automatic transmission, you should change the transmission fluid every 100,000 miles or five years.emove the drain plug and allow the fluid to drain into the pan. Connect the plug once all the fluid has drained into the pan. Remove the fill plug located at the other side of the transmission case.