How Do You Test For Car Exhaust Manifold Leaks?
For many, the need to find car exhaust manifold leaks follows a failed emissions test. You might also hear a rumble when starting your car or while it runs cold. Thankfully, finding out whether you do, in fact, have a leak is a fairly easy process. Step 1 Test your car shortly after starting it. You may be able to hear and feel the leak more easily while it is still cold. You also lower the risk of burning yourself. Step 2 Sniff around for exhaust. This is the least definitive way to test your manifold for leaks, but it may be a sign. Carbon monoxide, which is what is released by your exhaust system, has no smell. Step 3 Listen to your car. Most exhaust manifold cracks or leaks will cause a ticking noise, especially when your car is running cold. There may even be a noticeable vibration that goes along with the noise. Step 4 Use a stethoscope to listen to the manifold closely. You should be able to determine the location of the leak if there is one. If you don’t have a stethoscope, use
