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HomeRepair HelpBosch Dishwasher RepairBosch Dishwasher takes too long Repair
Bosch Dishwasher takes too long
If your Bosch dishwasher takes too long, the problem is usually tied to weak water circulation rather than the timer itself. A broken wash impeller is the most likely cause, since this small blade pushes water through the wash arms, and if it is damaged the dishwasher may not wash properly and can seem like it is running forever. Next, check the filter assembly, filter, screen filter, and strainer in the sump. When these parts clog with food debris, water flow drops, wash performance suffers, and you may end up with dishes still dirty after the dishwasher cycle along with a dishwasher cycle too long. A failing circulation pump is another common cause, especially if the unit fills but you only hear a humming noise or very little motor sound. On some models, the wash impeller can be replaced separately, while others require a full pump and motor assembly. Enter your Bosch dishwasher model number on RepairClinic.com to find the exact wash impeller, filter, screen filter, strainer, circulation pump, or pump and motor assembly for your machine.
01 - Bosch Dishwasher Wash Impeller
The wash impeller is a small plastic blade that forces water up through the wash arms. If the impeller is broken or is missing some of its fins, it might not generate enough pressure to force the water up through the wash arms. On most models, you can replace the wash impeller independently of the pump and motor assembly. Search for your model number to determine if your impeller is replaceable. If the impeller cannot be replaced separately, you will have to replace the entire pump and motor assembly.
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Highly Likely
02 - Bosch Dishwasher Filter Assembly
A dishwasher's filter assembly usually consists of both a course and a fine filter located in the sump. If one or both of these filters is clogged, you will get low water flow and poor washability. If the filters cannot be cleaned effectively or if they are damaged, they will need to be replaced.
Highly Likely
03 - Bosch Dishwasher Filter
A dishwasher's filter assembly usually consists of both a course and a fine filter located in the sump. If one or both of these filters is clogged, you will get low water flow and poor washability. If the filters cannot be cleaned effectively or if they are damaged, they will need to be replaced.
Highly Likely
04 - Bosch Dishwasher Screen Filter
A dishwasher will usually have both a course and a fine screen filter located in the sump. If one or both of these filters is clogged, you will get low water flow and poor washability. If the filters cannot be cleaned effectively or if they are damaged, they will need to be replaced.
Highly Likely
05 - Bosch Dishwasher Strainer
Dishwashers will use a strainer located in the sump to catch food particles. If the strainer is clogged, you will get low water flow and poor washability. If the stainer cannot be cleaned effectively or is damaged, it will need to be replaced.
Highly Likely
06 - Bosch Dishwasher Circulation Pump
The circulation pump uses a motor and impeller to force water up through the wash arms. If the circulation pump is defective, the dishes won’t be cleaned properly. If the motor isn’t making any noise or is just making a humming sound after the dishwasher has filled, the motor may be burned out. First, ensure that power is getting to the motor. Second, to ensure that the impeller can turn, check the pump housing for debris. If power is getting to the motor and the pump is clear of debris, the motor might need to be replaced. Be aware that the circulation pump may be challenging to replace, although many do-it-yourselfers ha...
Common
Frequently Asked Questions
Why does my Bosch dishwasher take too long to finish a cycle?
Can a clogged filter make my Bosch dishwasher run for hours?
How do I know if the wash impeller is causing my Bosch dishwasher to wash slowly?
My Bosch dishwasher fills but just hums and does not wash properly. Is the circulation pump bad?
How do I find the right Bosch dishwasher part for a long cycle problem?
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