- Important part of cooling system
- The hose coolant travels through to get between the radiator and engine
- Replace when cracked or leaking
Your Nissan's cooling system is designed to prevent the engine from overheating. And the cooling system depends on a functioning, quality Radiator Coolant Hose (Lower) to operate properly. As your vehicle's coolant fluid passes through the radiator and coolant system to your engine, it passes through a Radiator Coolant Hose (Lower). It's crucial that your Radiator Coolant Hose (Lower) is free from damage, leaks, cracks, or bloating that could cause damage to your Nissan.
Eventually, the rubber in the Radiator Coolant Hose (Lower) on your Nissan can get worn out. When this occurs, the Radiator Coolant Hose (Lower) may become brittle and crack, causing coolant to leak out. If too much coolant leaks out, your vehicle's engine may not receive enough coolant to maintain a safe engine temperature, which may cause overheating in your Nissan. An overheated engine could lead to repairs and damage your vehicle.
In addition, the Radiator Coolant Hose (Lower) may bloat, meaning the hose swells. An engine overheating from low coolant could cause intensely heated coolant to pass through the hose, which can make the rubber swell and bloat, likely causing additional damage and cracks to your vehicle's Radiator Coolant Hose (Lower).
If you feel your Nissan's Radiator Coolant Hose (Lower) needs to be replaced, it's good to start with a visual inspection. When checking the coolant system, always ensure the vehicle's engine and coolant system are completely cool, as the cooling system is pressurized, and heated coolant can spray if the Radiator Coolant Hose (Lower) breaks.
When looking at the Radiator Coolant Hose (Lower), look for swelling, cracks, dry-rot, and warping. Look for coolant leaks on the ground underneath the vehicle, specifically where the Radiator Coolant Hose (Lower) attaches to the vehicle.
Also, look at your dashboard if you suspect a bad Radiator Coolant Hose (Lower). Check to see if the Low Coolant light is on or if the temperature gauge is displaying that your engine is running hot. Your Nissan owner's manual has an overview of dashboard lights and their meanings.
Is it time to replace your Nissan's Radiator Coolant Hose (Lower)? Order a genuine replacement Cooling System Radiator Coolant Hose (Lower) for your Nissan Frontier. See the What This Fits tab for more details.
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