In that case, a stop leak type product may be the only option. Sometimes, it’s not in the budget to replace your radiator. The problem is that they can also clog up water jackets and other cooling system parts, leaving it less efficient than it was before it started to leak. They are made of a pliable material (usually aluminum) that can seal up the leak. There are a number of stop leak type products out there that can stop a small leak. If you are going to replace the radiator, consider getting new hoses while you are at it. If you have a shop do it, there is a decent amount of labor involved. Radiators themselves are not crazy expensive. The best way to fix your Cherokee’s leaking radiator is to replace it. They are only meant to be pulled from a cold engine. Don’t pull the radiator cap if your Cherokee is warm. Do to the heat of the radiator, it doesn’t take long to dry right there, which makes diagnosing this difficult. If the radiator cap is leaking, it can drip down the side of the radiator and appear make it appear that the radiator is leaking. Using the wrong coolant can cause a radiator to fail and leak prematurely. The cooling system hoses, radiator, and seals are engineered to interact properly with the correct coolant. The heater core can also go bad and throw off the pressure in the radiator, which will cause a leak.Īlways make sure to fill your radiator with the same exact coolant that Jeep recommends. It can create a high pressure pocket, and cause the radiator to leak. If the thermostat has gone bad, it throws off the equilibrium of the cooling system. This sediment can eventually knock a hole in the radiator over time. With enough time and mileage, the right rock, bolt, etc can get through and cause a radiator leak.Īs time goes by, your radiator can slowly fill up with sediment. The grill on a vehicle is designed to let enough air pass to the radiator that it is able to get enough air to cool your Cherokee, while at the same time protecting against large debris. Here are some of the most common causes for a radiator leak: Typical Radiator This can lead to the engine accessories not turning fast enough to do their job.Īs the coolant hits the hot engine or exhaust, it can cause white smoke to shoot out from under the hood, even if you are not overheating. That is the sound of the serpentine belt slipping from the coolant.
#Jeep cherokee coolant leaking from water pump cracked
Overheating can cause serious long term damage, such as a bad head gasket or cracked head.ĭepending on where the radiator is leaking, it can get coolant onto the serpentine belt. The leak will grow bigger.Īs the radiator leaks, it’ll cause your Cherokee to overheat. As the pressure created by the water pump pushes coolant through the Cherokee’s radiator, it’ll follow the path of least resistance, which is through the damaged part of the radiator. When your radiator leaks, it’s best to replace it or have it repaired right away. If it is further back, it could be the radiator hoses or thermostat housing that are leaking. It should be almost by where the bumper is. You should find that there is coolant under the vehicle. It's best practice to have them both replaced at the same time to save on time and money.Here are the most common symptoms of a leaking radiator: Coolant Under the Vehicle The last thing you want to do is replace a Jeep Grand Cherokee timing belt and then have a leak in the water pump soon after. This is one of the reasons why mechanics suggest the water pump is replaced at the same time as the timing belt, as they are typically in the same location. Depending on the vehicle it can take a lot of labour time to access the water pump. Many water pumps are located in front of the engine and driven by the timing belt or drive belt. When coolant is lost it can lead to the Jeep Grand Cherokee's engine overheating and cause permanent damage and failure. When a water pump fails or the seals wear out the pump can leak coolant, compromising the cooling system in the vehicle.
Water pumps can be electric or mechanical belt-driven both can fail over time. Without it, the coolant would just sit and boil inside your engine, and cause it to overheat! It is a vital part of keeping your engine running and needs to be replaced as soon as an issue is found to keep your engine running at normal operating temperature.Ī water pump replacement starts at around $300 and can increase to $1000+. The water pump on your Jeep Grand Cherokee is what controls the coolant flow through your engine and radiator. Jeep Grand Cherokee Water pump replacement Why do Jeep Grand Cherokee water pumps need to be replaced?
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