how to remove ds wiper arm

Sounds more likely that there's a wiper link and pivot assembly concern. Some disassembly will be required. If you're asking how to remove a wiper arm, I'm going to just direct you to an outside repair shop. If you don't have the tools, skills or workshop manual reference materials to help guide you, you'll cause more harm than good -- get some assistance. www.repairpal.com/repair-shops