- Important part of cooling system
- The hose coolant travels through to get between the radiator and engine
- Replace when cracked or leaking
Your Nissan depends on its cooling system to ensure your vehicle doesn't overheat. And the cooling system depends on a working, quality Radiator Coolant Hose (Upper) to operate properly. As your vehicle's coolant fluid travels through the coolant system and radiator to the engine, it travels through a Radiator Coolant Hose (Upper). It's crucial that your Radiator Coolant Hose (Upper) is free from damage, leaks, cracks, or bloating that could cause damage to your Nissan.
In time, the rubber that makes up your Nissan's Radiator Coolant Hose (Upper) can get old and wear out. When this occurs, the Radiator Coolant Hose (Upper) may become brittle and crack, causing a coolant leak. If too much coolant leaks out, the engine may not get enough coolant to maintain a safe engine temperature, which could cause your Nissan to overheat. An overheated engine could lead to additional repairs and even damage to the vehicle.
Additionally, the Radiator Coolant Hose (Upper) can get bloated, which means the hose swells up. An engine overheating from low coolant can cause superheated coolant to pass through the Radiator Coolant Hose (Upper), making the rubber in the hose bloat and swell, likely causing additional damage and cracks to your Radiator Coolant Hose (Upper).
If you feel a Radiator Coolant Hose (Upper) on your Nissan needs to be exchanged, a great place to start is a visual inspection. When dealing with the coolant system, always ensure the vehicle's engine and coolant system are completely cooled down, as the cooling system is under pressure, and heated coolant can spray if the Radiator Coolant Hose (Upper) becomes compromised.
When checking out the Radiator Coolant Hose (Upper), look for cracks, warping, dry-rotted areas, and swelling. Check for coolant fluid leaks underneath the vehicle, especially where your Radiator Coolant Hose (Upper) is attached to the vehicle.
Also, look at your dashboard if you suspect a bad Radiator Coolant Hose (Upper). Look for a Low Coolant light or if the temperature gauge is in the red, meaning your engine is running too hot. Your Nissan owner's manual gives an overview of the different dashboard lights and their meanings.
Is it time to replace the Radiator Coolant Hose (Upper) on your Nissan? Order a genuine replacement Cooling System Radiator Coolant Hose (Upper) for your Nissan Altima. See the What This Fits tab for more details.
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