Noisy pump on bosch 300 series washer - Bosch Nexxt 500 WFMC3301 Front Load Washer

SOURCE: bosch 300 series washer// led code E04

Remove the access panel at the front botton right corner. There is a manual release button you can pull.

SOURCE: putting on spring loaded wire seal ring on a bosch washer

You have to make sure that the spring part is towards the bottom of the front. If you look closely at the washer at the bottom you will see a groove. That groove is where that spring will need to end up otherwise the whole thing will keep poping off.

how I install is I use a 90 degree pick tool. I work the edge of the seal with the metal ring and making sure it lines up with the groove. once there is tension on the spring I streatch it with the 90 degree pick tool and continue to work the rest of the gasket around. Once you get that completed I push down on the spring to make sure that it is in there. If it is not it takes one door opening to make it fall all apart and you have to start over.

SOURCE: Bosch series 300 washer: E:04 error; how to remove pump cover

You can get that cover off, by prying it up at the bottom and spinning the thing clockwise. then there is a large hand turnable plug inside.

Once you turn it water will start leaking out, you'll have to get in and pull out the crud from the pump screen there to clear the jam. Good luck!

SOURCE: My Bosch 100 series won't drain or spin. How do I

If you experience a problem where the washer does not drain properly or the drain pump makes excessive noise, here’s the information you need to check the drain pump:

Symptom: PUMP IS RUNNING, BUT NOT DRAINING PROPERLY.

1. Unplug the washer while servicing inside the unit.
2. Remove the lower kick panel under the door by removing the three 7mm screws under the bottom edge of the panel. HINT: Use a couple of blocks of wood to prop up the front feet of the washer to gain better access to the screws. Once the screws are removed the panel should drop down, and then pull off. If the panel becomes stuck, a slight tap on either side will dislodge it.
3. Locate the drain pump. It will be located directly under the wash tub (it is the only pump this washer has).
4. There is an access removal cover on the pump that can be removed to clean out the trap. BEFORE doing this, it is strongly recommended that you remove all residual water from the wash tub & drain line or you will have about a gallon or so inside your washer and on the floor to clean up.
5. Here’s a helpful way of quickly removing the residual water. If you own a wet/dry shop vac, remove the drain hose from the standpipe at the wall and pull a vacuum with the shop vac. This will empty the wash tub, pump and drain lines. If you don’t own a shop vac, grab a bunch of old towels and open the access on the pump slowly so that it comes out at a trickle. Allow the towels to soak up the majority of the water. Close the access and stop the water if you need to get additional towels.
6. Open the pump access and remove once you have all the water drained. Check the drain pump for foreign objects and debris. Check the pump impeller and make sure there’s nothing caught in it. Items as small as toothpicks or cotton swabs have been known to stop this pump from working.
7. Clean out the pump thoroughly and reinstall the access cover. Make sure the cover is snug, but do not over tighten.
8. Place the drain hose back in the standpipe (IMPORTANT – DO NOT FORGET!).
9. With the bottom panel still off, plug the washer back in and select the following on the operator console – DRAIN SPIN, NO SPIN, and then press any button under OPTIONS 4 times (it must be the same button). “C00” will show on the console display as the washer begins diagnostics mode.
10. Check the drain pump for leaks as the washer fills. The pump is gravity filled and will hold water even it is not pumping. Allow washer to run through diagnostics until it begins the wash tub tumble cycle.
11. At this point, you can stop the diagnostics procedure by pressing PAUSE/CANCEL 2 times. The drain pump energizes and the washer will begin to drain.
12. If the drain pump works normal and there are no leaks detected, reinstall the bottom panel and tighten screws.


NOTE: It is normal to have residual water left inside the wash tub under the wash basket. This is why it is important to leave the door ajar when not in use so this water does not become sour.
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SOURCE: Bosch Error Code 13 Washer won't drain

First, unplug your washer. After that find the little round plate below your drum opening on the exterior of the washer. It should have a small hole in it. Use something to gently push trough this hole and twist the cover off, Inside there you will find the drain access. Be careful, if there is water in your drum this will make a mess when you unscrew the drain access. Take the usual precautions and unscrew the drain access slowly until it is off. Remove any obstructions and replace access door and cover. Clean up any mess and plug back in your washer and try again. takes about thirty minutes to an hour depending on how much water is in the drum.