This manual introduces the purpose and usage of the automotive leak detector. It can help users understand the product characteristics and usage methods.
The ADD633 car leak tester is designed to detect cylinder air leaks when a vehicle feels under‑powered or exhibits abnormal performance. It provides a method to assess whether the engine cylinders are losing pressure.
The manual outlines a nine‑step procedure: remove the spark plug, connect the M14/M18 hose to the cylinder, close all intake and exhaust valves, attach the quick‑connect hoses, set the pressure regulator to minimum, connect the air compressor, adjust the regulator to the zero‑pressure setting, close the compressor valve, and monitor pressure drop to evaluate leakage. This manual is written in Chinese.
It is used to test whether engine cylinders are leaking air when the vehicle feels under‑powered or abnormal.