![]() ![]() ![]() Your owner's manual provides an overview of dashboard lights and their meanings. Check to see if the Low Coolant light is on or if the temperature gauge is showing the engine running too hot. Check the ground underneath the vehicle for coolant leaks, specifically underneath where the Radiator Coolant Hose (Upper) is located on the vehicle.Īlso, look at your dashboard if you suspect a bad Radiator Coolant Hose (Upper). When checking out the Radiator Coolant Hose (Upper), look for swelling, cracks, dry-rot, and warping. When dealing with the coolant system, always ensure the vehicle's engine and coolant system are cooled down completely, as the entire cooling system is pressurized, and heated coolant can spray if the Radiator Coolant Hose (Upper) breaks. If you believe the Radiator Coolant Hose (Upper) on your vehicle needs to be exchanged, a visual inspection is often a good place to start. An overheating engine due to low coolant may cause extremely hot coolant to travel through the Radiator Coolant Hose (Upper), making the rubber in the hose bloat and swell, likely causing additional damage and cracks to your vehicle's Radiator Coolant Hose (Upper). In addition, your Radiator Coolant Hose (Upper) can become bloated, which means the hose swells up. If the engine overheats, it may lead to additional repairs and even damage to the vehicle. If too much coolant leaks out, the engine may not get enough coolant to control the engine's temperature, which may cause overheating in your Nissan. When this happens, your Radiator Coolant Hose (Upper) can get brittle and crack, causing coolant to leak out. In time, the rubber in your Nissan's Radiator Coolant Hose (Upper) can get worn out. It's important your Radiator Coolant Hose (Upper) is free from leaks, cracks, or bloating that may cause further damage to your vehicle. As your vehicle's coolant fluid passes through the radiator and coolant system to your engine, it passes through a Radiator Coolant Hose (Upper). And this cooling system relies on a working, quality Radiator Coolant Hose (Upper) to operate how it's supposed to. Your Nissan's cooling system is designed to prevent the engine from overheating. The hose coolant travels through to get between the radiator and engine. ![]()
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