How to Replace the Drain Pump on a GE Dishwasher (WD26X10039)

The drain pump is one of the most common failure points on GE dishwashers. When it fails, water remains standing in the tub after the cycle completes, or you hear the pump humming without actually moving water. GE uses a small dedicated drain pump separate from the main wash motor (unlike some brands that use a single motor for both washing and draining).

The most common drain pump part numbers for GE dishwashers are WD26X10039 (widely used across older GDT models) and WD26X23258 (newer models manufactured under Haier). This guide covers both variants as the replacement procedure is nearly identical.

Before You Start

• Tools needed: Phillips #2 screwdriver, 1/4-inch hex driver, channel-lock pliers, towels, shallow pan or bucket
• Parts needed: Drain pump GE WD26X10039 or WD26X23258 (verify by model number). Cost: $25-$65
• Time required: 25-40 minutes
• Difficulty: Intermediate
• Safety warning: Turn off the circuit breaker. The drain pump operates on 120V. Residual water will be in the sump and drain hose. Have towels ready.

Step-by-Step Instructions

Step 1: Confirm the Drain Pump Has Failed

Before replacing the pump, rule out other causes of standing water:

• Blocked drain path: Remove the filter, check for debris in the sump, check the drain hose and air gap. If the path is clear and water still sits, the pump is likely at fault.
• Listen during drain: Start any cycle and cancel after 60 seconds (this triggers a drain sequence). Put your ear near the kick plate. A working pump produces a steady whirring sound for 1-2 minutes. Humming with no water movement = jammed impeller. Complete silence = electrical failure.
• Multimeter test: With the breaker off and kick plate removed, disconnect the pump wire connector. Measure resistance across the pump motor terminals. Should read 5-20 ohms. Infinite resistance = burned-out winding. Replace the pump.

Step 2: Remove the Lower Kick Plate

Turn off the circuit breaker. Remove the two 1/4-inch hex screws at each end of the kick plate (some models use Phillips screws). Pull the kick plate straight forward.

Step 3: Bail Out Remaining Water

Since the pump is not working, standing water remains in the sump. Open the dishwasher door, remove the filter assembly (twist counterclockwise). Use a large sponge or towels to soak up the standing water, or use a wet/dry vacuum. The less water in the sump, the less will spill during pump removal.

Step 4: Locate the Drain Pump

Lying on the floor and looking up behind the kick plate opening, locate the drain pump. On GE dishwashers, it is mounted on the bottom-left side of the sump housing. It is a compact cylindrical motor (about 3 inches diameter) with one electrical connector and one drain hose connection.

Identify:

• The wire harness connector (2-pin plug, usually on the top of the pump)
• The drain hose (corrugated rubber hose connected to the pump outlet with a spring clamp)
• The mounting method (quarter-turn lock into the sump housing, or bracket with screws)

Step 5: Disconnect the Drain Pump

Place towels under the pump area. Squeeze the locking tab on the wire connector and pull it straight off the pump. Use channel-lock pliers to slide the spring clamp on the drain hose back away from the pump, then twist and pull the hose off the pump outlet. Water will flow out; direct it into the towels.

Step 6: Remove the Pump from the Sump Housing

Quarter-turn mount (most GE models): Grip the pump body and twist counterclockwise about a quarter turn. The pump releases from the sump housing. Pull it straight down and out.

Bracket mount (some models): Remove 2-3 Phillips screws holding the pump bracket to the sump. Lift the pump away from the sump opening.

Inspect the pump inlet (the opening into the sump) for debris. Foreign objects (glass shards, bones, plastic bits) that jammed the impeller may still be lodged in this opening. Remove any debris.

Step 7: Install the New Drain Pump

Check that the new pump includes a new gasket or O-ring for the sump connection. If it does, discard the old gasket. If it does not include one, reuse the old gasket only if it is in good condition (not cracked or compressed flat).

For quarter-turn mount: align the pump mounting tabs with the sump housing slots. Push the pump into the housing and twist clockwise a quarter turn until it locks. Tug downward to verify it is locked.

For bracket mount: position the pump against the sump opening and secure with the bracket screws.

Reconnect the drain hose and slide the spring clamp back over the connection point. Push the wire connector onto the pump until it clicks.

Step 8: Test the New Pump

Replace the kick plate. Restore power at the circuit breaker. Close the dishwasher door and start any cycle, then press Cancel/Drain (or just let it start and cancel after 60 seconds). Listen for the new pump running and verify water is being expelled through the drain hose.

Check for leaks at the drain hose connection and the pump-to-sump junction. Run a full cycle and confirm no standing water remains at the end.

Troubleshooting After Pump Replacement

• New pump does not run at all: Check the wire connector is fully seated. If connected properly, the control board may not be sending voltage to the pump (board relay failure or flood switch tripped).
• Pump runs but water drains slowly: The blockage is in the drain hose, not the pump. Disconnect and flush the hose.
• Pump makes rattling noise: The impeller or pump housing may have a manufacturing defect (rare). Also check that no debris fell into the sump opening during installation.
• Small leak at pump-to-sump connection: The gasket is not seated properly or the quarter-turn lock is not fully engaged. Remove and reseat.

Cost Comparison: DIY vs Professional

When to Call a Professional

• The sump housing is cracked where the pump mounts (requires sump replacement)
• The pump works but water still does not drain (may be a control board or check valve issue)
• You are not comfortable lying under the dishwasher working with electrical connections

Need Professional Help?

• Dishwasher repair service
• GE appliance repair
• Dishwasher repair cost guide

FAQ

Q: What is the difference between GE drain pump WD26X10039 and WD26X23258? A: The WD26X10039 is the older design used in GE dishwashers manufactured before approximately 2018. The WD26X23258 is the updated version for newer Haier-manufactured GE models. They are not always interchangeable. Order by your specific model number to get the correct pump.

Q: Can a clogged Piranha disposer cause the drain pump to fail? A: Indirectly, yes. If the Piranha cannot process certain materials (label paper, plastic), these materials can reach the drain pump impeller and jam it. A jammed pump motor draws excessive current, which can burn out the windings over time. Keep the Piranha clear of non-food items.

Q: How long does a GE dishwasher drain pump typically last? A: 7-12 years depending on usage frequency and water quality. Hard water deposits on the impeller reduce efficiency over time. Homes with hard water may see shorter pump life.

Q: Is the drain pump covered under GE's warranty? A: The standard GE warranty is 1 year from purchase for all components. After that, the drain pump is out of warranty. Some extended warranty plans purchased separately may cover it longer.

---

Need a certified technician? Book same-day repair →