Originally Posted By: Merkava_4
Say if a guy has an engine with a cartridge filter and he's complaining about ticking on a cold startup, can he pull the filter and run the engine without it momentarily to see if the filter is causing the ticking ?
Yes, he could, without causing any major problem (assuming no grit leftover in the housing), at least on the kind of cartridges I've seen. However, that exercise would be a waste of time and oil, because the cartridge can't cause ticking, unless it's plugged, and then he'd have worse problems.