Lexus RX350L 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 Lexus RX350L Pressure Test Radiator Cap is $95 with $0 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2019 Lexus RX350LV6-3.5LService typePressure Test Radiator CapEstimate$114.99Shop/Dealer Price$124.99 - $132.49
2021 Lexus RX350LV6-3.5LService typePressure Test Radiator CapEstimate$94.99Shop/Dealer Price$105.01 - $112.52
2018 Lexus RX350LV6-3.5LService typePressure Test Radiator CapEstimate$94.99Shop/Dealer Price$105.01 - $112.52
2020 Lexus RX350LV6-3.5LService typePressure Test Radiator CapEstimate$94.99Shop/Dealer Price$104.99 - $112.48
Show example Lexus RX350L 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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Francisco

15 years of experience
16 reviews
Francisco
15 years of experience
Lexus RX350L V6-3.5L - Oil Change - San Antonio, Texas
Everything went slick. Great experience.

Miguel

21 years of experience
232 reviews
Miguel
21 years of experience
Lexus RX350L V6-3.5L - Pre-purchase Car Inspection - Ramsey, New Jersey
Miguel performed a very thorough inspection. Now I can make a decision based on his expertise.

Shawn

12 years of experience
291 reviews
Shawn
12 years of experience
Lexus RX350L V6-3.5L - Pre-purchase Car Inspection - Honey Brook, Pennsylvania
Shawn is always so friendly and knowledgeable. I completely trust and highly recommend him as a skilled mechanic.

Lucas

21 years of experience
887 reviews
Lucas
21 years of experience
Lexus ES330 V6-3.3L - Pressure Test Radiator Cap - Los Angeles, California
Fixed things I didn't even ask for!

Excellent Rating

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Number of Lexus Pressure Test Radiator Cap services completed
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services done by our mechanics
TOTAL NUMBER OF EXPERT Lexus MECHANICS
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