No glue is needed or wanted to put on the new gasket. Ideally, you should always a new gasket whenever the ETA is removed to prevent dirt from getting into the intake manifold and into the engine.
The old gasket can be removed by using a old fashioned razor blade. Take your time and it should come off cleanly without tearing.
The old gasket can be removed by using a old fashioned razor blade. Take your time and it should come off cleanly without tearing.