... , 300,000 kilometers lifeThe installation location::1, for carburetor cars, it is usually installed in vacuum ... lead to brake failure.Debug method:1, For carburetor car series:(1) Remove the Heat sealing mat ... engine, or on the PCV valve.2, for EFI car series:(1) Find the intake manifold vacuum closest ... immediately.5, Turn the motor off, put the key to the original place, then disconnect the negative ...