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Symptoms of a Bad Radiator Cap | Boardwalk Acura Egg Harbor NJ
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6806 Tilton Road, Egg Harbor Township, NJ, 08234

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Symptoms of a Bad Radiator Cap

 
   
   


The radiator cap may be a small part of what you’ll find under your car’s hood, but it plays an integral role in preventing your engine from overheating. What are the symptoms of a bad radiator cap? The team at Boardwalk Acura is here to answer that very important question.

Continue reading to learn more about bad radiator cap symptoms, so you’re able to ensure safe travels around Egg Harbor, Atlantic City, and Vineland, NJ.


Filling Engine Coolant

What’s a Radiator Cap?

You may be wondering what exactly a radiator cap is and what it does. It sits on top of the radiator and features a spring-loaded plunger. When the car is cold, the cap can be taken off to check the coolant level or to add coolant. When it’s working as it should, the cap provides a seal that keeps the cooling system pressurized.

When the system is properly pressurized, the boiling point of coolant is raised, which allows for more heat to be removed. This protects your engine and delivers better efficiency and gas mileage.


Coolant Leak

Bad Radiator Cap Symptoms

As you’re driving around, you might not know that your vehicle’s radiator cap is faulty when you start to hear noises or smell certain fumes. However, that may be the issue, which requires testing the radiator cap. What are some of the symptoms to look out for?

A coolant leak may be the first tangible sign of a bad radiator cap. If the cap isn’t able to release excess pressure, the pressure can force coolant to leak out. This can be from the cap, a hose, the engine gaskets, the water pump, or perhaps even the radiator.

If the engine gauge shows a raised temperature, the radiator cap could be faulty too. An overheating engine may be at play, with the cap failing to maintain the proper pressure. If the pressure is low, the boiling point of the coolant is lower and is unable to remove heat from the engine, leading to a raised engine temperature.


Radiator Cap Replacement

Fixing a Radiator Cap

There’s some good news to report here: Fixing a radiator cap is relatively easy. Using a replacement radiator cap that’s the correct pressure rating for your car is essential. If you are doing this repair from home, be sure to check the rating. Otherwise, our experienced service team will be happy to provide this essential service.

We can use a pressure tester to see if the radiator cap is opening and closing at the right rate. If we detect any rust, cracks, or other damage, the cap will need to be replaced. Schedule a service appointment on our website or give us a call.


Visit Our Dealership for Radiator Service

Egg Harbor, Atlantic City, and Vineland, New Jersey, drivers need to have a properly functioning radiator cap to drive safely. If you suspect yours may need repairs, get in touch with the team at Boardwalk Acura. We’re here to provide efficient service so that you can get back on the road as soon as possible.


 

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(609) 641-1900

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6806 Tilton Road • Egg Harbor Township, NJ 08234

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Today's Hours:

Open Today! Sales: 9am-6pm

Open Today! Service: 8am-5pm

Open Today! Parts: 8am-5pm

Boardwalk Acura 39.3935791, -74.5583904.