crankcase Archives - Volvo Forum + Help for Owners

Volvo Seafoam Works

Poured about 1/4 can of seafoam down one of the tubes going to oil separator, drove for a week and changed oil. 2 weeks later dipstick tube is still clean and dry.

Post categories In Cars 101, Engine, Speed, Aftermarket & HP, Volvo Experiences, Volvo Fluids

Volvo Positive Crankcase Pressures Explained

Oil trap, breather, flame trap (Volvo specific term) and PVC are commonly used terms/ parts that basicaly allow for the engine to vent positive crankcase pressures due to blow by from the pistons…