Question about Bosch Dishwashers
If the sink backs up then it is likely there is a blockage in the drain, not the dishwasher outlet.
Posted on May 01, 2017
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Posted on Jan 02, 2017
This might help with disassembly. Mine was leaking also, but my main problem was no spray. Use my disassembly instructions to remove the pump/motor. If you notice that the leakage is from the pump and not a loose connection, remove the pump cover and apply a thin bead of Blue RTV sealant to the rubber ring. This stopped the leak in my pump.
My Danby dishwasher (DW) stopped working. The spray arm stopped spinning completely and very little water was coming out of the arm. When I removed the spray arm (CAUTION: reverse threaded, turn CW to loosen and CCW to tighten) and ran the DW, very little water was spraying out of the pump.
I thought maybe the pump was clogged. So, I followed the recommendations I had seen online about running a few cycles with Vinegar to clear the crud from the pump, but this did not help.
It seemed like the motor was operating, and there were no strange smells to indicate the motor was burned…just no water spraying. So I thought it must be the pump. Before disassembly, I tried to locate a replacement pump. I searched far and wide, both locally and online, and could not locate a replacement pump. So with nothing to lose, I decided to disassemble the DW, take a look and see what I could find. I am glad that I did.
The bottom line is that I disassembled the dishwasher and found that the plastic pump impeller had worked its way off the pump shaft and was not turning. I forced some Teflon plumbers tape over the shaft and forced the impeller back onto the shaft. The impeller has a flat spot to line up with the shaft and I pushed the impeller down on the shaft as far as it would go. I then used a small socket to fit over the shaft and GENTLY tapped the impeller for a final seating. I reassembled the dishwasher and it worked like a charm.
Since I could not find any service manual or instructions online for this DW, I thought I would share my disassembly/reassembly procedure.
Since my instructions are too long to post here, a complete repair document including a link to pictures can be found at:
Posted on Jul 27, 2008
SOURCE: Dishwasher drains into sink
As background, the dirty water typically goes from the dishwasher to a small tube within a tube, and that goes to the disposal. This ensures that your dishwasher does not back up in the event of a clog.
The problem is likely that the tube that links the thing you see next to your faucet to the disposal is either totally or, more likely, partially blocked.
I recommend taking the entire flex pipe off and inspecting. In my case it was about 80% blocked, so a simple test whereby water was pored down failed to show the issue.
Once I took it apart and gave the tube a plumbing version of an angioplasty all was well.
Posted on Feb 25, 2009
The dishwasher really shouldn't pass any particles near large enough to clog the drain hose. It sounds more like a mechanical issue. Check the circuit breaker to make sure it's not tripped. See if you can hit a cancel button or something to make it drain. Try to run another cycle. If the computer is stuck or acting funny, trying cutting the power for a while, holding down a stop/reset/cancel button, or running a cycle that you don't usually run. I had this kitchenaid that would randomly refuse the normal wash cycle, but would run fine when you ran rinse only or something, then regular wash and everything would be fine again too. If the line somehow is clogged, there's a good chance it's right where the hose connects to the disposal or drain pipe.
Posted on Feb 21, 2010
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