Recent content by 446k

Update Aug 27: no pressure at the rad on a cold start. I did a combustion fluid test with the engine at running temp and zero change in color. I will try a combustion fluid test with a cold engine and dye in the coolant next. Also, the plastic intake does not have coolant hoses, only the...

I never thought about UV dye in coolant. Great idea Trav. Thanks !

Thanks mk378. The intake on this is plastic and it has an inlet and outlet for coolant. I'm sure this is only for below freezing, so I'll bypass the intake and see what happens.

Thanks. I'll take a closer look at all the connections.

Thanks, I'll order a test kit.

Hi, I have 30 yrs DIY wrenching experience and I'm stumped. Bought a 2018 Civic EX 2.0 (no turbo) 140,000 kms from my wife's co-worker in mint condition and no past problems. Well, it's definitely loosing coolant. Here are my tests & results to date: - no visible leaks - no mixing of engine...