The circulation motor and heater assembly are important in your Bosch dishwasher by circulating water and ensuring it reaches the correct temperature for effective cleaning.
If you’re experiencing issues with this component, replacing it yourself can save you the expense of a service call. Here’s a step-by-step guide to help you through the process.
Signs You May Need to Replace the Assembly
- Loud noises or buzzing sounds coming from the motor.
- Dishes remain unclean or are not heated properly.
- Leaks appear at the bottom of the dishwasher.
- The dishwasher trips your home’s circuit breaker during operation.
Tools and Materials Required
- 5/8-inch open-end wrench
- 5/16-inch nut driver
- Phillips head screwdriver
- Flathead screwdriver (large and small)
- T20 Torx screwdriver
- Needle-nose pliers
- Replacement circulation motor and heater assembly (Part #00753351)
- Towels or buckets for catching water
Safety Precautions
Working on your dishwasher safely is essential to avoid injury or appliance damage. Follow these safety tips:
- Power Off: Unplug the dishwasher or turn off the circuit breaker to eliminate the risk of electric shock.
- Shut Off Water: Close the water supply valve to prevent accidental leaks during the process.
- Cool Down: Allow the dishwasher to cool completely if it was recently in use.
- Dry Workspace: Ensure your work area and hands are dry to prevent slipping or electrical hazards.
- Clear Workspace: Remove clutter and keep children and pets away from the area.
- Handle with Care: Avoid using excessive force when removing or reinstalling parts to prevent damage.
- Use Proper Safety Gear: Wear insulated gloves to protect your hands and safety glasses if needed.
Also Read: Why Your Dishwasher Isn’t Cleaning Your Dishes Properly
How to Replace a Dishwasher Circulation Motor
Preparation
- Unplug the dishwasher to avoid electric shock.
- Turn off the water supply to the dishwasher.
Accessing the Interior
- Remove the upper and lower racks to gain access.
- Unscrew the brackets securing the dishwasher to the countertop and cabinet.
- Disconnect the drain hose and water supply line.
Disassembling the Door and Control Panel
- Unscrew the inner door panel to detach it from the outer panel.
- Disconnect the touchpad ribbon cable from the control panel.
- Use pliers to detach the door springs from the hinges.
- Slide off the hinge covers and remove the door.
Accessing the Base and Sump
- Press the locking tabs on the base with a flathead screwdriver to release it.
- Disconnect all wiring plugs and hoses connected to the sump and valve assemblies.
- Remove the old circulation motor assembly from the sump.
Installing the New Circulation Motor
- Attach the short drain hose and the longer hose to the new motor using hose clamps.
- Connect the wiring plugs to their respective components.
- Secure the new motor to the sump and reattach the base.
Reassembling the Dishwasher
- Slide the dishwasher back into the cabinet cutout.
- Reconnect the water supply line and drain hose, tightening the clamps.
- Place the door back onto the hinges.
- Reconnect the door springs and control panel ribbon cable.
- Reinstall the outer door panel, access panels, insulation, and racks.
Testing
- Gradually turn the water supply back on and check for leaks.
- Plug the dishwasher back in and run a test cycle to confirm everything is functioning properly.
Maintenance Tips for Your Dishwasher
Taking care of your dishwasher can prolong the lifespan of its components, including the circulation motor and heater assembly:
- Regular Cleaning: Clean the filter, spray arms, and interior of your dishwasher to prevent clogs that can strain the motor.
- Run Hot Water Cycles: Periodically run a hot water cycle with dishwasher cleaner to reduce mineral buildup in the heater assembly.
- Inspect and Replace Seals: Check door seals and other gaskets for wear to avoid leaks that might compromise the motor.
- Avoid Overloading: Properly load dishes to ensure optimal water circulation and reduce strain on the motor.
Also Read: E2 error on a Bosch dishwasher: A troubleshooting guide
Now that you’ve got your Bosch dishwasher’s circulation motor replaced, you’re all set for many more cycles of clean, sparkling dishes! Taking on this DIY project can feel empowering, and it’s great to know you’ve saved yourself a service fee in the process.
Remember, regular maintenance is key to keeping everything running smoothly. So, keep your dishwasher clean, run those hot cycles, and be sure to check those seals every now and then. With a little care, your appliance will keep working like new for a long time to come.