Your Nissan 370Z relies on the cooling system to keep the vehicle from overheating. And the cooling system depends on a quality, functioning Radiator Coolant Hose (Upper) to work like it should. As your vehicles coolant fluid travels through the coolant system and radiator to the engine, it has to go through a Radiator Coolant Hose (Upper). Its essential that the Radiator Coolant Hose (Upper) remain free from cracks, bloating, or leaks that could cause damage to your Nissan.
Over time, the rubber in your vehicles Radiator Coolant Hose (Upper) can wear out. When this happens, 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 keep the engine temperature under control, which may cause overheating in your Nissan. An overheated engine could lead to additional repairs and even damage to the vehicle.
Also, the Radiator Coolant Hose (Upper) can get bloated, meaning the hose bulges out or swells in some places. If low coolant causes the engine to overheat, it 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 vehicles Radiator Coolant Hose (Upper).
If you feel your Nissans Radiator Coolant Hose (Upper) needs replacing, a great place to start is a visual inspection. When checking the coolant system, always ensure the coolant system and engine are completely cool, as the entire cooling system is pressurized, and super hot coolant may spray if the Radiator Coolant Hose (Upper) becomes compromised.
When checking out the Radiator Coolant Hose (Upper), look for dry-rot, cracks, swelling, or warping. Check the ground underneath the vehicle for coolant leaks, specifically where the Radiator Coolant Hose (Upper) attaches to the vehicle.
Also, check the dashboard if you feel you have a bad Radiator Coolant Hose (Upper). Check if the Low Coolant light is illuminated or if the temperature gauge is displaying that your engine is running hot. Your owners manual provides 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 370Z 2009-2020. See the What This Fits tab for more details.
HOSE-RADIATOR,UPPER
Fits 370Z, Z