Replacing a vehicle's antifreeze involves draining the old fluid using the drain valve at the bottom of the radiator and replacing it with new antifreeze. The antifreeze mixture should be 50 percent coolant and 50 percen... More »

A mix of 50 percent antifreeze to 50 percent water is usually sufficient in most areas. In more extreme climates, the mix may be different and must be altered to suit that climate. More »

If the antifreeze leaks from a car, the engine is likely to overheat. If the driver continues to operate the overheated vehicle, it is likely that major engine damage occurs. says drivers should never ignore a... More »

A radiator can be cleaned by first opening the petcock (radiator drain valve) and draining the existing coolant fluid from the radiator. Once all of the coolant has been drained, close the petcock and fill the radiator w... More »

Most vehicle thermostats are located at the connection point where the top radiator hose joins the engine block; the units can also be located in the bottom radiator hose. Vehicle thermostats are generally about 2 inches... More » Vehicles Car Parts & Maintenance

To replace a car radiator, open the radiator drain plug and allow the coolant to flow into a catch basin. If the radiator does not have a drain plug, loosen the lower radiator hose to drain the coolant. Disconnect all ho... More » Vehicles Car Parts & Maintenance

To change a vehicle’s rear differential fluid, jack the vehicle up, remove the differential’s drain plug, pump out the spent differential fluid, use a funnel to add new differential fluid, replace the drain plug, and low... More » Vehicles Car Parts & Maintenance