07-03-2018, 05:56 AM
Replacing the hose with a hole in it is almost always a good idea. However, if the line in question is the compressed air line from the compressor on the engine, capping it will almost certainly isolate the compressed air governor from shutting off the compressor at the designed pressure and running the engine in this way will break something.
Jon Kabbe
1993 coach 337 with Civic towed