DescriptionThis video provides step-by-step repair instructions for replacing the bottom door gasket (or tub seal) on a Bosch dishwasher. The most common reason for replacing the door gasket is when the dishwasher is leaking water.
All of the information for this bottom tub seal replacement video is applicable to the following brands:
Bosch, Gaggenau, Thermador, Kenmore
Step-By-Step Instructions1
To replace the tub seal, you will need to uninstall the dishwasher first.
2
To do this, turn off the power supply to your dishwasher
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Shut off the water supply valve.
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Next, remove the screws to release the lower access panel.
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Disconnect the water supply line from the inlet valve.
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Be prepared for some water to spill out.
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Remove the mounting screw to release the junction box cover.
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Note the orientation of the wires on the terminal block then loosen the screws to release the wires.
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Remove the screw to detach the wire strain relief bracket.
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Use a flathead screwdriver to help remove the nut to release the strain relief from the bracket.
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Next, disconnect the drain hose from the sink or garbage disposer and feed it through the cabinet.
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Open the dishwasher door and remove the mounting bracket screws.
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To move the dishwasher, you may need to remove the leveling leg locking screws and adjust the legs to lower the appliance.
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Now, to avoid damage, very carefully pull the dishwasher away from the cabinet.
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Unsnap the covers for the hinge rope and set them aside.
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Next, disconnect the hinge rope hooks from both sides of the door.
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Open the dishwasher door and remove the screws securing the outer door panel.
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Close the door securely and pull the outer door panel down to remove.
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Support the door as you remove the screws securing the inner door panel to the hinges.
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Pull the door off of the hinges and set it down.
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Pull the old tub seal off of the tub lip.
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Install the new tub seal by positioning it onto the tub lip and pushing it into place.
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Align the seal supports with the hinges and temporarily insert the screws to hold the seal in place.
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Slide the door onto the hinges and support the door as you reinstall the screws to secure the inner panel.
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After securing all of the screws, close the door.
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Reinstall the outer door panel by sliding it up into position and replace the screws in the inner panel to secure.
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Reconnect the hinge rope hooks on both sides of the door and replace the covers.
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Make sure the end of the drain hose is accessible through the cabinet wall then gently slide the dishwasher back into the cabinet.
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Adjust the leveling legs if necessary and replace the locking screws.
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Replace the screws to secure the mounting brackets to the cabinet or countertop.
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Feed the drain hose through the cabinet and connect it to the sink drain or disposer.
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Make sure the hose is elevated above the connection point.
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Insert the wire strain relief through the bracket and secure the nut.
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Align the bracket with the terminal block and replace the screw.
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Reattach the wires to their respective terminals and secure them with the screws.
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Be careful not to over tighten the screws.
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Replace the junction box cover and secure it with the mounting screw.
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Reconnect the water supply line to the inlet valve.
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Replace the lower access panel and secure the screws.
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You’re now ready to turn the water supply back on as well as the power and confirm that the dishwasher is functioning properly.