Rick's Free Auto Repair Advice

Posts Tagged: valve knock

Engine Knock sound Ford

Fix engine knocking sound If you have an engine knock sound on a Ford vehicle, this article is for you. Ford is experiencing a problem with upper intake manifolds that sounds like an engine knock sound. The internal baffle separates and makes a knocking sound as it is buffeted by airflow. The fix is to replace the upper intake manifold with a revised part from Ford (Dorman also makes an aftermarket manifold if you’re watching $$$). To diagnose the problem, use an automotive stethoscope. Use the metal tipped probe and … Read More


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