BOSCH DISHWASHER 800 SERIES Leaking From Door

Dishwasher Door Gasket

The tub gasket is a three-sided rubber seal that creates a watertight fit between the door and the dishwasher body. Over time, heat and detergent exposure cause the rubber to lose elasticity or develop micro-tears, allowing water to bypass the seal during the wash cycle. Replacing this is the standard first-line mechanical fix for perimeter door leaks.

Lower Door Seal (Wiper Seal)

Located at the bottom of the inner door panel, this 'wiper' seal prevents water from splashing out of the bottom of the tub. If the leak is concentrated at the very bottom edge of the door or pooling on the floor directly beneath the door, this seal has likely deteriorated or become misaligned. It is a separate component from the main three-sided tub gasket.

SKU: 00668084

Lower Spray Arm

Bosch spray arms can occasionally split along the plastic welded seam. When this occurs, a concentrated, horizontal jet of water is sprayed directly at the door seal area with more pressure than the gasket is designed to withstand. This 'hydro-jet' effect causes leaks even when the seals are in good condition.