Troubleshooting Craftsman Motorcycle Jack Won't Go Down
If your Craftsman motorcycle jack isn't lowering as it should, you're not alone. This common issue can be frustrating, but with a bit of troubleshooting, you can often resolve the problem at home. This guide will walk you through potential causes and solutions for your Craftsman motorcycle jack not going down.
Understanding Your Craftsman Motorcycle Jack
Before we dive into troubleshooting, let's briefly understand how your Craftsman motorcycle jack works. It's a hydraulic jack, which means it uses pressurized fluid to lift heavy loads. The jack's pump creates this pressure, and a valve controls the flow of fluid to the lifting piston. When the jack won't lower, it's usually due to issues with these components.
Check for Obvious Issues
- Power Source: Ensure the jack is properly plugged in or the battery is charged, depending on your model.
- Safety Valve: Check if the safety valve is stuck open. If it is, the jack won't build up enough pressure to lift or lower.
- Lubrication: Lack of lubrication can cause the jack to malfunction. Check if the jack is properly lubricated.
Inspect the Hydraulic System
If the obvious issues aren't the cause, it's time to inspect the hydraulic system.
Leaks
Leaks in the hydraulic system can prevent the jack from lowering. Inspect the hydraulic lines, piston, and cylinder for any signs of leaks. If you find a leak, you'll likely need to replace the damaged component.
Clogged or Damaged Hydraulic Lines
Over time, dirt and debris can clog the hydraulic lines, preventing fluid from flowing freely. Inspect the lines for any signs of damage or clogs. If you find a clog, you may be able to clear it by flushing the lines with clean hydraulic fluid. If the lines are damaged, they'll need to be replaced.
Examine the Pump and Valve
The pump and valve are crucial components in your Craftsman motorcycle jack. If they're not working properly, the jack won't lower as it should.

Pump Issues
If the pump isn't working, the jack won't build up enough pressure to lift or lower. Inspect the pump for any signs of damage or wear. If the pump is damaged, it will need to be replaced.
Valve Issues
The valve controls the flow of fluid to the lifting piston. If it's stuck open, the jack won't lower. If it's stuck closed, the jack won't lift. Inspect the valve for any signs of damage or wear. If the valve is damaged, it will need to be replaced.
Professional Help
If you've checked all the components and are still having trouble with your Craftsman motorcycle jack not going down, it's time to call in a professional. A qualified technician can diagnose and repair the issue, ensuring your jack is safe and functional.
Remember, safety is paramount when working with motorcycle jacks. Always follow the manufacturer's instructions and use proper safety precautions. If you're unsure about any aspect of troubleshooting or repair, don't hesitate to contact a professional.