
So, we will concentrate on the signs of no coolant in the radiator but the reservoir tank is full, the causes of lack of coolant in the radiator when there is a full reservoir tank, and the ways to fix this issue. It includes the radiator, which is mostly an aluminum radiator, the thermostat, hoses, water pump or coolant pump, a radiator cooling fan, heater core, bypass system, head gaskets, and a few other components. The liquid cooling system of a vehicle consists of various components. Note that this article is focused on liquid cooling systems. Though, it is uncommon to see a vehicle manufactured with an air-cooling system. Vehicles can either be liquid-cooled or air-cooled. Animals love its sweet taste, so even a spilling a small amount on your garage floor can end up in the dog's stomach pretty quickly.The engine cooling system plays a very important role in the efficient operation of the engine. Promptly wipe up any spilled fluid as it is highly toxic. Always wear safety goggles when working on your Grand Cherokee. Removing the coolant reservoir cap on a warm engine could cause the cap to fly off at a high rate of speed and fluid to spray out of the reservoir.

These coolants will typically say 50/50 or pre-mixed on the front of the coolant bottle. Some coolants will come premixed-that is, you don't need to add any water. Mix the coolant / antifreeze with distilled water so that you have a combination of 50% coolant and 50% water. Be sure to check your owners manual to determine the correct type of fluid to add - for Jeeps, it will typically be in a section titled Fluid Capacities in the back of your manual. The video above shows you where the coolant reservoir in your Grand Cherokee is located and how to add coolant / antifreeze. Make sure to check your engine when it is cold for an accurate reading. Engine coolant / antifreeze circulates through your engine to keep it cool in the summer but won't freeze in the winter. Adding engine coolant (also known as antifreeze) to your 1999 Jeep Grand Cherokee is pretty easy.
