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Radiator Pressure Tester Kit
This water tank leak detector is easy to operate and convenient to store and carry, which can assist you to find internal and external leaks in car cooling system.
Information on Adapters
Please refer to the picture below.
Packing List
Designed to fit most major car brands from Europe, Japan and the United States.
Note
If the temperature is too high, you may get scalded. Before open it, make sure ,it’s cooling state.
How To Use
- Open the radiator cap. Before open it, make sure it’s cooling state.
- Choose applicable cap adaptor for vehicle.
- Fasten the radiator opening meanwhile check if the gasket is applicable.
- Insert the joint into adaptor.
- Take out the hand held pump, pressurize to about 15PSI-20PSI.
- Check pressure gauge: (1) If the gauge pointer maintain in several minutes, the system is normal to work; (2) if the pointer drops, the system has crack due to pressure damage, you should maintain it and make sure the system can still work after the maintenance.
- After the check, release pressure from decompression valve till the gauge return to zero.
- Before you collecting tools: (1) Insert the adaptor into joint, pressurize a few times, expel residual water and air in the hand held pump, then you can collect; (2) Inject gas into the tail air inlet of the hand held pump, lubricate the piston of the tube. Then insert adaptor into joint, pressurize a few times, expel residual gas in the hand held pump, then collect the tools.
photomark
September 4, 2025
This is a great little set that will fit almost any coolant cap. The pump is little bit hard to compress due to the small knob but it makes finding leaks sooo easy. It saved me a lot of time and grief. Also you can’t beat the price for the service you’ll get. I found the sneaky leak in our BMW E60 in no time.
JohnAMR
August 30, 2025
Does work for BMW E46 - hard to figure out from the various descriptions if these things fit these models, but this one does. The pressure pump is awkward, as it really could use a foot to rest it on something when pressurizing the system.
Dan Gerous
August 15, 2025
Other than the caps being just a bit touchy this is a great buy for the money. Be carful not to have any sideways pressure against the tester caps or they will leak down and give you the impression that the system is leaking rather than the cap. Otherwise the pump and gauge works perfectly.
Jason_JennyS
July 5, 2025
If you have a leaking coolant system on the car, this kit is a must! I had been tracking a leak that was in a weird location and this kit proved that I needed a new radiator. Not just a hose. I also used it again after paying for a new radiator to ensure that nothing else was leaking.
Gordon W.
July 2, 2025
Easily find cooling system problems before it is too late.
Rachel
June 18, 2025
0 stars. First time use the threads on the pump broke. I was tightening it because air was leaking out and couldnt build pressure on radiator. Why would the threads be plastic????? Trash. Out of return window. Waste of money. Throwing it away. Tried using it once before and none pf the adapters fit anyways. Doesn’t function at all.
Michael
June 3, 2025
The most common American radiator cap adapter they have in the kit is the right height. But they put a metal washer in the middle that is much bigger than the neck opening on radiator. Meaning that the rubber gasket never has a chance to seal against the radiator in order to build pressure. If they cut the diameter of it in half so that it was about the size of a quarter instead of a half a dollar it would be a great kit.
Steven Rutherford
May 23, 2025
I found a coolant leak on my Camry. Fairly difficult to find with just a naked eye. This product cut my time and expenses in half, at least. By the time that I figure labor costs and diagnosis fees, this little kit has already paid for itself Four times over!
Customer
April 5, 2025
This is one of the Fastest and easiest ways to find a cooling system leak!I discovered were the leak on my car was in less than 5 minutes after opening the package and hooking up the easy-to-use tool.I've been hunting for that leak for days and carrying around, and using, so much fluid for top ups that I was avoiding driving on the Highways!I should have bought one a long time ago.
Customer
April 3, 2025
Bought this to test my for a leak in my 1988 iroc and it worked perfect. Saved me a lot of money going to a garage. Easy to use and had the adaptor I needed even though it wasn't listed.
Customer
February 10, 2025
Quality is ok
Brian Sullivan
January 30, 2025
Works well with my 2006 Porsche Boxster.
Don Stewart
January 14, 2025
Excellent productWorked perfectVery complete kit with lots of adapters
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