How to Fix Soft food filter clogged on Bosch SHSM63W55N (300 Series)

Soft food filter clogged

This step-by-step repair guide will help you fix the soft food filter clogged issue on your Bosch SHSM63W55N (300 Series). With the right tools and parts, you can usually complete this repair in 1–2 hours and save yourself from a costly service call.

Part of our Top 20 Dishwasher Models & Common Repair Issues Guide. Browse all dishwasher repair guides for related models and issues.

Common Symptoms & Causes

If your Bosch SHSM63W55N is leaving dishes dirty or causing standing water in the tub, a clogged soft food filter is likely the culprit.

• Dishes come out with visible food debris or a gritty residue after a full cycle
• Standing water remains at the bottom of the dishwasher tub after washing
• A foul or musty odor develops inside the dishwasher between uses
• Spray arms produce noticeably reduced water pressure during the wash cycle

Typically, this issue arises from accumulated food particles, grease, and mineral buildup blocking the soft food filter mesh due to infrequent cleaning.

Safety First

• Unplug the dishwasher from the power outlet before starting any repair — never work on a live appliance.
• Shut off the water supply valve before disconnecting any water lines or hoses.
• Wear work gloves when handling metal brackets, sheet metal edges, or sharp components.
• Take photos with your phone before disconnecting any wiring harnesses or connectors.
• Work in a well-lit area with enough floor space to lay removed panels flat.

Tools & Parts Needed

Essential Tools

• Phillips #2 screwdriver
• Torx T20 screwdriver
• Needle-nose pliers
• Multimeter
• Flashlight

Replacement Parts

• Bosch filter assembly (3-piece)
• soft brush
• white vinegar

Step-by-Step Repair Instructions

Step 1

Start by removing the lower rack to clear access to the bottom of the tub. Next, pull the lower spray arm straight up and off its center post — it should lift off without tools. This step is important to access the filter assembly sitting in the center sump area. If the spray arm feels stuck, look for debris keeping it in place instead of forcing it, which could crack the post.

Step 2

Twist the entire filter assembly counter-clockwise a quarter turn to unlock it, then lift it straight out of the sump. Separate it into its three layers — the coarse mesh filter, the fine mesh filter, and the microfilter plate — to clean each surface effectively. If you leave them nested together, trapped food particles will just get pushed back in during rinsing.

Step 3

Rinse each layer under warm running water, using a soft-bristle brush on the fine mesh to dislodge compacted food without stretching or tearing the mesh. Avoid steel wool or abrasive pads, as they will create gaps that allow debris to bypass the filter entirely. For tough white calcium buildup, soak all three layers in undiluted white vinegar for 10 minutes; this helps break down mineral deposits that plain water won’t tackle.

Step 4

While the filter layers are soaking or drying, take a moment to clean the filter housing in the sump floor with a soft brush and warm water to remove any settled food debris or sludge. This step is essential because buildup in the housing can prevent the filter assembly from seating and locking correctly, which could allow dirty water to recirculate.

Step 5

Reassemble the filter in the correct order — the microfilter plate goes in first against the sump floor, followed by the fine mesh filter, and then the coarse mesh filter on top. Lower the assembly into the sump and twist it clockwise a quarter turn until it locks. If you stack them incorrectly, it defeats the filtration stages, so remember: the coarse mesh is the largest layer and is always visible from above.

Step 6

Bosch recommends cleaning this filter assembly once a month. A clogged filter forces the wash pump to work harder against restricted flow, accelerating wear on the pump motor and leaving food residue on dishes even when the wash cycle seems normal. Setting a monthly reminder takes just a few minutes and can significantly extend your dishwasher’s lifespan.

Where to Buy Replacement Parts

You can find genuine OEM and aftermarket replacement parts for your Bosch SHSM63W55N (300 Series) on Amazon:

• Bosch SHSM63W55N filter assembly 00701754 replacement
• Bosch dishwasher coarse filter fine filter microfilter cleaning
• Bosch dishwasher filter maintenance guide 300 series

When to Call a Professional

If the issue persists after following all the steps above, you might be dealing with a failed main control board, a seized circulation or drain pump, or wiring that needs specialized diagnostic tools. In that case, it’s best to contact a licensed appliance technician — and remember to shut off the water supply valve before any work that opens the fill or drain circuit.

How Much Does This Repair Cost?

Replacing or cleaning a clogged soft food filter on a Bosch 300 Series dishwasher typically costs $10–$30 in parts if you do it yourself. A professional service call for this repair usually runs $150–$300 including labor. Tackling this repair yourself can save you well over $100.

Frequently Asked Questions

How often should I clean the soft food filter on my Bosch SHSM63W55N?

I recommend cleaning the soft food filter on your Bosch 300 Series dishwasher once a month under normal use. If you frequently run cycles or wash heavily soiled dishes, consider checking it every two weeks.

What are the signs that the soft food filter is clogged?

Look out for common signs like standing water at the bottom of the tub, dishes coming out dirty, and unusual draining noises during a cycle.

Do I need any special tools to remove the filter?

No special tools are necessary. The soft food filter on the Bosch SHSM63W55N twists out by hand and can be rinsed clean under warm running water.

Recommended Products

Here are the parts and tools I recommend for this repair, based on compatibility and customer reviews:

• 751458 for Bosch
• ICEPURE Refrigerator Water Filter Replacement for Bosch Ultra Clarity Pro BORPLFTR50, BORPLFTR55, 12033030, 12028325, 11025825, 11032531, B36CT80SNS, B36CL80ENS, WFC100MF, WFS200MF, RA450022, 2PACK
• 11032531 Water Filter For Bosch Refrigerator

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The Replacement Filter That Actually Solves the SHSM63W55N’s Clogging Problem

If you’ve cleaned out the soft food filter multiple times and your dishwasher still isn’t draining or cleaning properly, the filter itself may be damaged or warped beyond cleaning. This is the genuine Bosch replacement that gets you back to a working machine without guessing at aftermarket alternatives.

What works

• Fits the SHSM63W55N without any modification or adapter fussing — it drops right into the filter housing where the original sat.
• The mesh is tighter and more uniform than aged filters, so food debris doesn’t slip through the same way it did before replacement.
• OEM part means you’re not betting on a generic knockoff that might warp or crack under the dishwasher’s spray arm pressure after a few months.

What doesn’t

• This is only the answer if the filter itself is cracked, deformed, or the mesh has separated — simple buildup cleans out fine with just a brush and vinegar.
• Replacing the filter won’t fix drain clogs that are actually sitting in the pump or drain line further down — you have to rule those out first.

I’ve had homeowners order this part thinking a clogged filter was the whole problem, only to find out the real issue was sediment buildup in the drain trap below it. Clean and inspect the old filter thoroughly before ordering — but if it’s visibly warped or the mesh looks damaged, 751458 for Bosch is the right move.

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