Direct answer
A new filter can reduce airflow if it is the wrong part, installed with packaging, not seated, still damp or blocking a gasket.
What this covers
- Vacuums · filters
- The exact symptom in the title before component-level repair
- Consumer-accessible controls, connections and maintenance areas
What it does not cover
- ×Smoke, burning odor, swelling, liquid on powered parts or damaged wiring
- ×Opening sealed panels, bypassing interlocks or live-electrical testing
- ×Account ownership, billing or warranty disputes
Observe before changing anything
ReversibleCompare the part number and orientation with the old filter and exact model diagram.
Isolate the failing boundary
ReversibleRemove packaging, allow washable filters to dry for the full stated time and seat every cover and seal.
Apply the narrow correction
ReversibleTest briefly with the complete required filter set installed; never operate filterless.
Verify the result and stop at the boundary
ReversibleUse the genuine-equivalent specification and service damaged filter housings.
Evidence ledger
Sources behind this answer
Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.
Exact questions
Common follow-ups
What should I check first for “Vacuum has weak suction after installing a new filter”?+
Compare the part number and orientation with the old filter and exact model diagram.
How do I know whether the problem is external or inside the device?+
Remove packaging, allow washable filters to dry for the full stated time and seat every cover and seal.
When should I stop and request repair?+
Use the genuine-equivalent specification and service damaged filter housings.
Answer for the exact device and software version shown above.