Auto Technician tool of the trade: Compression Tester Kit. Automotive Technicians will do a compression check on any engine they don't know the history of or suspect a problem with. It can tell you if the compression of the engine is down because of worn piston rings, defective valves and seats or a blown head gasket. #TheMoreYouKnow | Oklahoma Technical College

1.4K views · 75 reactions | Testing engine compression provides a snapshot of the health of your engine. Learn more about how to do a compression test and understand what those compression gauge readings mean in this video. #EngineCompression #Engine #CompressionTest @motorheadgaragetv l @johngardnertv | AMSOIL INC. | Facebook