Ford G-100 Pressure Test Radiator Cap at your home or office.

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Pressure Test Radiator Cap Service

How much does a Pressure Test Radiator Cap cost?

On average, the cost for a Ford G-100 Pressure Test Radiator Cap is $95 with $0 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1972 Ford G-100L6-4.1LService typePressure Test Radiator CapEstimate$114.99Shop/Dealer Price$124.99 - $132.49
1971 Ford G-100L6-4.1LService typePressure Test Radiator CapEstimate$94.99Shop/Dealer Price$105.01 - $112.52
Show example Ford G-100 Pressure Test Radiator Cap prices

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.

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Joel

21 years of experience
987 reviews
Joel
21 years of experience
Ford Fusion L4-2.5L - Pressure Test Radiator Cap - Jacksonville, Florida
Joel was great. He arrived on time and communicated everything with me very clearly. He was honest and knowledgeable. Would definitely recommend.

Jeffrey

27 years of experience
870 reviews
Jeffrey
27 years of experience
Ford Expedition V8-5.4L - Window Motor / Regulator Assembly Replacement (Driver Side Front) - Charlotte, North Carolina
JEFF WAS VERY PROFESSIONAL AND COMPLETED THE WORK TO MY TOTAL SATISFACTION. I WOULD RECOMMEND HIM ANYTIME!

Craig

18 years of experience
56 reviews
Craig
18 years of experience
Ford E-350 Econoline Club Wagon V8-7.5L - Starter - San Diego, California
Extremely professional and very knowledgeable. A real pro. Recommend him for service.

Robert

25 years of experience
10 reviews
Robert
25 years of experience
Ford Fusion L4-2.3L - Air Diverter Valve - Vancouver, Washington
Prompt and courteous! Did the work as promised and also did an inspection of my ford fusion. Thanks goodness he did because the radiator cap was broken. Saved me the hassle of overheating the engine. Thanks Robert!

Excellent Rating

(19,242)

Rating Summary
18,054
638
125
102
323
18,054
638
125
102
323
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