Hummer H2 Pressure Test Radiator Cap at your home or office.

Our mobile mechanics offer services 7 days a week. Upfront and transparent pricing.

Estimate price near me

Service Location

Customer Ratings

(139)

Included for free with this service

Online Booking

Mechanic comes to you

12-month / 12k-mile warranty

Free 50 point safety inspection

Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM.

Customer Ratings

(139)

Pressure Test Radiator Cap Service

How much does a Pressure Test Radiator Cap cost?

On average, the cost for a Hummer H2 Pressure Test Radiator Cap is $95 with $0 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2005 Hummer H2V8-6.0LService typePressure Test Radiator CapEstimate$114.99Shop/Dealer Price$124.99 - $132.49
2007 Hummer H2V8-6.0LService typePressure Test Radiator CapEstimate$94.99Shop/Dealer Price$105.01 - $112.52
2004 Hummer H2V8-6.0LService typePressure Test Radiator CapEstimate$94.99Shop/Dealer Price$105.01 - $112.52
2003 Hummer H2V8-6.0LService typePressure Test Radiator CapEstimate$94.99Shop/Dealer Price$104.99 - $112.48
2009 Hummer H2V8-6.2LService typePressure Test Radiator CapEstimate$94.99Shop/Dealer Price$105.02 - $112.55
2008 Hummer H2V8-6.2LService typePressure Test Radiator CapEstimate$94.99Shop/Dealer Price$105.01 - $112.52
2006 Hummer H2V8-6.0LService typePressure Test Radiator CapEstimate$99.99Shop/Dealer Price$109.87 - $117.28
Show example Hummer H2 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.

Fast and easy service at your home or office

Backed by 12-month, 12.000-mile guarantee


Meet some of our expert Hummer mechanics

Real customer reviews from Hummer owners like you.

Excellent Rating

(139)

Rating Summary
132
5
0
0
2
132
5
0
0
2

Joseph

33 years of experience
540 reviews
Joseph
33 years of experience
Hummer H2 V8-6.0L - Car AC Repair - Plano, Texas
He was very good, didn’t bs about issues, just told me the situation and options.

Enrique

21 years of experience
244 reviews
Enrique
21 years of experience
Hummer H2 V8-6.0L - Starter - Apopka, Florida
I had my reservations about having someone come to my home to repair my truck but not anymore. Enrique is totally respectful, professional and completed the repair correctly as well as inspected it for any other problems. I will not hesitate to call in the future.

Breck

20 years of experience
681 reviews
Breck
20 years of experience
Hummer H2 V8-6.0L - Oil/Fluid Leak - Houston, Texas
Very knowledgeable!

Joel

30 years of experience
76 reviews
Joel
30 years of experience
Hummer H2 V8-6.0L - Not able to change gears - Phoenix, Arizona
Such a great guy and knowledge and fast, no complaints!

Excellent Rating

(139)

Rating Summary
132
5
0
0
2
132
5
0
0
2
Number of Hummer H2 services completed
1529+
services done by our mechanics
TOTAL NUMBER OF EXPERT Hummer MECHANICS
200+
experts on our platform

Recent articles & questions

How Long Does a Differential / Gear Oil Last?
The The differential is normally located at the rear of your vehicle and underneath the car. It is essential that it stays lubricated with differential or gear oil for it to work properly and your vehicle to go smoothly down...
The Safest Cars for Teen Drivers
For For a parent, there is nothing more terrifying than handing over a set of car keys to your son or daughter for the first time. When they hit the road, you'll have no control of their safety. Everything will...
P0466 OBD-II Trouble Code: Purge Flow Sensor Circuit Range/Performance
P0466 means the EVAP system is not functioning properly. This could be due to a faulty part in the system or on the fuel cap.

No power steering with full fluid

Hi there: Most power steering pumps have a "shelf life" of about 10 to 15 years. If yours has not been replaced, then it's more than likely that this is the reason why your power steering is not functioning correctly....

Front weels will not turn after hitting curb

As with any accident that damages the steering control, you will need to not try and drive the vehicle until you have the vehicle fully inspected to see why you lost steering control. You may have broken the tie rods...

My gear shift cable may be broken but my car won't. What could be the issue?

Hello, thank you for writing in. Without the vacuum supply from the engine, the brakes become hard to press. The vehicle is designed not to start when it is in gear. This is a safety measure ensuring the vehicle is...

How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1 (855) 347-2779 · hi@yourmechanic.com