RELD Cylinder Head Gasket Tester CO2 Leak Cooling Water Check Universal for All Cars and Motorcycles Cylinder Head Gasket CO2 Leak Tester Rapid Engine Leak Detector for 50 Tests

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The bottle had lost 10-15% of its contents during before it arrived and the liquid was not blue anymore. Color was dirty and almost looked like the liquid had reacted allready. Price was cheaper than many other products, but I reccoment spending that little extra for a better quality kit

Dacht dat mijn BMW 325i n52 een lekke koppakking had. Dacht bestel ik dit maar om te kijken als dat werkelijk het geval was. Gelukkig geen lekke koppakking🥳

Works perfectly!

Worked as it should. I like the fact it takes very little fluid for each test. Verified exhaust gas getting into cooling system after other diagnostic procedures. You need to understand this is one of a few methods for determining headgasket & cylinder head leaks. Good value. Wish it came with more fluid.

Merci infiniment car ce testeur a sauvé ma twingo de la casse ou voulait l'envoyer le garage ...a ce jour, elle roule encore parfaitement.Utilisation du testeur et explications très simples et résultats fiables

I bought it to check a possible head fasted issues as there was a coolant loss in my Chevy Colorado.The test was negative, it didn’t change color and I left it for a very long time (30 min) just to make sure. I tested the liquid on a cup near the exhaust and immediately tuned yellow.I like that is compact and easy to use.I suggest removing a cup of coolant from the radiator to avoid mixing it with the coolant during the test (only if you are reving the engine).