🔍 OEMTOOLS 27145 Combustion Leak Detector: Effective Tool for Automotive Blown Head Gasket Test & Engine Block Leak Detection Review

Used this to check for a leaking head gasket on 2 of my overheated cars, one had no problems, the other had a head gasket leak, just make sure that your coolant is leaking The level is low enough, or you're sucking in coolant and need to retest. You will also need liquid for the smoke detector.

Has a leaking head gasket. This confirms the problem. He also checks when the repair is complete and sealed. Even if you don't have oil or antifreeze migration, this is an indication that carbon monoxide has entered your cooling system.

To easily find out if exhaust fumes are leaking into the coolant due to a blown head gasket, you will also need test fluid. Checked mine was fine, then sucked air into the exhaust pipe 3 times and the liquid changed color from blue to yellow. So it works like a charm for what it was meant to do. Came quickly too.

Used this to confirm I had a blown head gasket. I used the exhaust method. Just let the car run until it warms up, then go to the back of the car where the exhaust is coming out and use the pump. The liquid in mine turned yellow within seconds. Saved me a lot of money, the local mechanic would charge me almost triple what I paid to do the same.

I was having temperature issues on my X5, luckily it was just the thermostat but at the same time the coolant level sensor was failing (intermittently) so I was having symptoms downpipe, I got that an exhaust check, eventually was I made sure the head gasket wasn't the problem and did the rest of the troubleshooting. I think it's worth having on hand and hopefully never getting a positive test.

I bought this to check for carbon monoxide getting into the cooling system. I wish I had had this when my neighbor bought his used car because it had a cracked engine block and cylinder head. I could have saved him the huge headache that caused him to lose his truck when he paid for it. Protect yourself with something like this. Just make sure you get the liquid you need to make it work.

Mechanic told me I had a head gasket leak. He said he used some type of gas vapor sensor in the radiator and even saw bubbles. I bought a Blue Devil and was ready to fill it up and stop the leak. Then I found this tool, bought it and tested it 3 times. No flammable gases in the cooling system. 02 Town & Country with a leak that was very intermittent and difficult to find. The leak got worse over time and I fixed it. This tool has saved me thousands. Now I have it on my shelf and for other…

-This test is well protected in a nice case -Simple step-by-step instructions make the application very easy making the whole process fast and easy. The liquid had to be purchased separately, but I was won over by the low price and protective case. I'm glad I did and recommend it with 5 stars. Manufacturer Suggestion: To make this product an absolute must-have kit, the manufacturer should include a small bottle of test fluid that could fit in a carrying case.