Customer Questions and Answers for Frigidaire Puresource Ultra Ultrawf Refrigerator Water Filter by Frigidaire

Denise, "1. Turn Off the ice maker. 2. Remove the filter by pushing on the end/face of the filter. 3. Slide the old water filter cartridge straight out of the housing and discard it. 4. Unpackage the new filter cartridge. Using the alignment guide, slide it gently into the filter housing until it stops against the snap-in connector at the back of the housing. 5. Push firmly until the cartridge snaps into place (you should hear a click as the cartridge engages the snap-in connector). 6. Press a drinking glass against the water dispenser while checking for any leaks at the filter housing. Any spurts and sputters that occur as the system purges air out of the dispenser system are normal. " If you're following the instructions, and the filter won't be removed, then the internal locking mechanism is distorted or stuck and wont release the filter cartridge. You'll need to replace the 242009604 / 242009601 Water Filter Base.