Samsung Dishwasher Leaking: Sump Assembly Replacement in Redwood City
A Samsung dishwasher in Redwood City was leaking from the sump. We replaced the complete sump and motor assembly, which also gave the dishwasher a new circulation pump, diverter and heating element.
Repair at a glance
| City | Redwood City, CA |
|---|---|
| Appliance | Dishwasher |
| Category | Major Brands |
| Brand & model | Samsung DW80F600UTS (built-in stainless steel dishwasher) |
| Repair date | |
| Customer complaint | The dishwasher was leaking. |
| Diagnosis | The sump was leaking and needed to be replaced. From the outside the leak was not visible. |
| Repair cost | $638 |
| Warranty | 6 months on parts and labor |
| Outcome | Repaired |
What the customer told us
The customer in Redwood City called because their Samsung dishwasher was leaking.
Diagnosis: a leaking sump
We found that the sump itself was leaking. Looking at it from the outside, you could not see the leak, but it was there.
We decided to replace the complete sump assembly together with the motor.
The repair, step by step
We pulled the dishwasher out from under the counter and laid it on its left side to reach the base and the back.
Inside the tub we took apart the filter area, which gives access to the heating element and the food chopper blade.
Underneath, we disconnected all the wiring and removed the old sump together with the motor and the drain pump block.
We installed the new sump assembly, reconnected the wiring and reassembled the water supply lines that feed the spray arms, as well as the filter area.
While everything was open, we also cleaned the drain hose and the drain pump housing.
Why the repair made sense
At $638 the repair may look expensive, but the dishwasher was in very good condition otherwise.
The sump assembly holds the parts that do most of the work during a wash: the circulation pump, the diverter and the heating element. All three are new in the replacement assembly, so the main working part of the dishwasher is now new as well.
The repair comes with a 6-month warranty on parts and labor.
Photos from this repair
Repair complete — the dishwasher back under the counter. 
Dishwasher pulled out to start the repair. 
Laid on its side to reach the base and the back. 
Control board and wiring disconnected for access. 
Sump opened up, showing the heating element and chopper blade. 
The filter housing taken apart. 
Old sump assembly (left) and the new one (right). 
Old (left) and new (right) sump and motor assemblies. 
New sump installed and wired underneath.
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