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How Can I Tell if My Oil Cooler Is Leaking?

2026-03-16 - Leave me a message

If you’re unsure if your oil cooler is leaking, there are ways to know for sure. Why not put the following test to the test?

Unbolt your oil cooler from the engine bay.Place a dust cap and clamp onto an oil cooler nozzle.Connect a 2.5cm hose to the remaining oil cooler nozzle.Use adapters to connect and provide air to the hose.Submerge the oil cooler in water.Apply pressure to the oil cooler using approximately 0.8 bar of compressed air.Replace the cooler element if you see air bubbles emerging from the oil cooler.Alternatively—as we have suggested throughout this blog post—you can also seek assistance from a professional mechanic who would know best. In any case, if you suspect your oil cooler is leaking, it’s critical to resolve the issue one way or another.Can I Drive With a Bad Oil Cooler?Although it’s technically possible to drive with a bad oil cooler, we would strongly advise against it. Bad oil coolers are ticking time bombs that can wreak havoc on your engine and potentially cause it to stop. Obviously, this is a large safety risk, and so the best foot forward is to replace your oil cooler—potentially with a remote oil filter kit from Proflow.Trust ProflowAt Proflow, we’re auto enthusiasts who have all the parts you need for a smoother ride. Of course, oil coolers fall among these parts, and they’re not only high quality but also super affordable. If you need to update your oil cooler or replace it altogether, you know where to find us. Proflow is the way to go! Shop our collection online now.

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