Radiator Hose - Lower
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Radiator Hose - Lower at 1A Auto
What is the Lower Radiator Hose and where is it Located?
The lower radiator hose - or radiator outlet hose- sends cooled coolant from the radiator back to the engine via your water pump. Once the coolant has passed through the radiator and dissipated the heat collected from the engine, it returns, via the lower radiator hose, to the engine.
The lower radiator hose has to fit around other engine components, so it is a molded rubber hose, made specifically for a given model. It can be found attached to the bottom of the radiator, near the front of your engine compartment. There is also an upper radiator hose that attaches to the top of the radiator.
How do I Know if my Lower Radiator Hose Needs to be Replaced?
The lower radiator hose constantly has hot coolant running through it, and is found near other hot engine parts. While it is, obviously, designed to withstand some high heat, eventually it will wear out.
The hose can become brittle and cracked or it can become spongy and soft. In either case, it can develop leaks. Leak formation can be exacerbated by electrolysis corrosion. Small amounts of metal may seep into the coolant from the engine. This can create a charge in the coolant which can sometimes discharge. This cracks the hose from the inside out. Regularly changing your coolant will help prevent this from happening.
A leaking hose can result in visible coolant leaks under the automobile. Look for liquid the same color as your coolant under the car or truck. Your coolant may be a blue-green color, or a reddish color. If you are having a hard time identifying leaks, you can park on top of a piece of cardboard or butcher paper to make them stand out more.
If you suspect that your radiator hose is leaking, you can visually inspect it. Look for cracks or soft spots. If the engine and hoses are not hot from recently running, you can feel if the hose has spots that are brittle or spongy by squeezing along its length with your hand.
A leaking hose can cause lost coolant. If you find you have to refill your coolant frequently, one of your radiator hoses may need to be replaced. Lost coolant can eventually lead to overheating, which will cause further damage to your vehicle. An engine that overheats is a sign that you have let a cooling problem go on for too long.
Upper radiator hoses can also experience many of the same problems that lower hoses do. In fact, in general, upper hoses suffer more wear, because they carry hot coolant from the engine, while lower hoses carry cooled coolant from the radiator back into the engine to begin the cooling process once again.
Can I Replace the Lower Radiator Hose Myself?
Replacing a radiator hose is fairly straightforward. You’ll want to allow the engine to cool down before working around the radiator to avoid burning yourself. Be sure to have a drain pan ready and drain the coolant. Be careful not to spill coolant, since it can be dangerous to children and animals. With the coolant drained, you’ll be able to unclamp the hose from the engine and the radiator, pull it out and clamp on the new one. The clamps that hold the hose in place can, themselves, wear out, leading to leaks. So, it’s a good idea to replace the clamps at the same time you are replacing the hose.
Need a Lower Radiator Hose Replacement?
If your lower radiator hose has failed you are likely to experience problems with your vehicle’s cooling system, which can lead to a bevy of other issues, such as overheating of the engine. That’s why it is important to purchase and install an lower radiator hose replacement when one is needed as soon as possible. Luckily, here at 1A Auto we carry a large selection of replacement lower radiator hoses for many makes and models, and at great prices.
At 1A Auto, we make shopping for a replacement lower radiator hose for your car, truck, SUV, or van easy - we're here to help you select the right part for your vehicle! Call our customer service toll free at 888-844-3393 if you have any questions about our aftermarket lower radiator cooling hoses, warranty, compatibility or to purchase, or you can buy online.