Best Prices for Pressure Test Radiator Cap

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How much does Pressure Test Radiator Cap cost?

It depends on the type of car you drive and the auto repair shop you go to. Our mechanics are mobile, which means they don't have the overhead that repair shops have. They provide you convenience by coming to your home or office.

Pressure Test Radiator Cap pricing for various cars

CarsEstimateParts CostLabor CostSavingsAverage Dealer Price
2013 Ram 2500$146$0.00$145.99-35%$107.50
2015 Mitsubishi Outlander$146$0.00$145.99-35%$107.50
2014 Hyundai Azera$146$0.00$145.99-35%$107.50
2009 Cadillac SRX$146$0.00$145.99-35%$107.50
2011 Lincoln MKX$146$0.00$145.99-35%$107.50
2013 Jaguar XF$146$0.00$145.99-35%$107.50

Pressure Test Radiator Cap Service

What is the radiator cap pressure test all about?

In a pressurized cooling system like those found on all cars, your car’s radiator cap is calibrated to seal in coolant to a particular pressure point, then allow some vapor to escape once that threshold has been reached. The ejected fluid is piped into the overflow bottle you might have seen in the engine bay. Then, as the engine cools, the coolant level may drop inside radiator. When that happens, a reverse-flow valve in the radiator cap opens to allow fluid from the bottle to return to the radiator. A radiator cap that isn’t working properly may cause too much fluid to escape the system.

Keep in mind:

  • A radiator cap pressure test is quick and simple, and replacement radiator caps are inexpensive.
  • Leaving a defective radiator cap in place can cause damage to the engine.

How it's done:

  • The vehicle engine is cooled before the radiator cap can be removed
  • The radiator pressure is relieved and the cap is removed
  • The radiator cap is pressure tested to specifications
  • The radiator cap is replaced and/or reinstalled to the radiator
  • The vehicle is verified to confirm problem is fixed

Our recommendation:

If your car’s engine overheats, or the overflow bottle seems overly full, have the radiator (and radiator cap) pressure tested.

What are the common symptoms indicating you need to pressure test the radiator cap?

  • Car overheats
  • Car’s overflow bottle fills up

How important is this service?

Not having this safety valve on the car’s cooling system operate properly can over- or under-pressurize the system, leading to damage to hoses, the radiator, and even the car’s cylinder head.


Recent Pressure Test Radiator Cap reviews

Excellent Rating

(35)

Rating Summary
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Mike

21 years of experience
110 reviews
Mike
21 years of experience
Chrysler PT Cruiser L4-2.4L - Pressure Test Radiator Cap - Rex, Georgia
Mike is dependable and always on time. He completed the job in less time than expected, and will be the mechanic I'll ask for in the future.

Dan

40 years of experience
1080 reviews
Dan
40 years of experience
Dodge Journey L4-2.4L - Pressure Test Radiator Cap - Dacula, Georgia
Gabe great advice on keeping my vehicle running in great shape. Answered any questions I had without any hesitation.

Jose

14 years of experience
125 reviews
Jose
14 years of experience
Chrysler Pacifica V6-3.8L - Pressure Test Radiator Cap - Redlands, California
Very friendly and punctual. Knows what he is talking about. Appreciate Jose working on my car. I would recommend him to customers.

Hugh

12 years of experience
159 reviews
Hugh
12 years of experience
Subaru Outback H4-2.5L - Pressure Test Radiator Cap - Littleton, Colorado
Hugh was super honest and competent. I scheduled the service based on a repair shop and a dealer's recommendation. But Hugh came, did a quick inspection and determined a simple cap replacement should fix the overheating issue and it did. Obviously that saved me a lot of money and made feel a lot better about my car. Hugh was also very friendly, easy-going. I would recommend him in a heartbeat.

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