Why is there increased crankcase pressure in my MANN+HUMMEL Water Filtration System?
- EEric JohnsonJul 28, 2025
Increased crankcase pressure in your MANN+HUMMEL Water Filtration System can be caused by two main issues: a separator element that is exhausted, which requires maintenance, or a kinked or clogged hose. In the latter case, check the hose and correct if necessary.