How to Replace W10913953 Shift Actuator on Whirlpool Washer — Step-by-Step

Your Whirlpool washer stops mid-cycle and flashes error codes, or it fills with water but won't agitate. Nine times out of ten, the shift actuator is the culprit. This 6-pin component controls the transmission shifts between wash and spin cycles, and when it fails, your washer becomes a glorified bucket.

The W10913953 replaces several older part numbers including AP6037270, W10815026, and PS11769864. If you've got a top-load Whirlpool, Maytag, Kenmore, or Amana washer from the past decade, this guide walks you through the swap.

What You Need Before Starting

This repair takes about 45 minutes to an hour, depending on your washer model. Difficulty level is moderate — you'll need to access the cabinet and work with electrical connectors, but no special skills required.

• 5/16" nut driver or socket wrench
• Flathead screwdriver
• Needle-nose pliers
• Towels for catching water drips
• Camera phone (to photograph wire connections)

Safety First

Unplug the washer completely before starting. Don't just turn it off — actually pull the plug from the wall. Water may be trapped in the tub, so keep towels handy. The shift actuator is a low-voltage component, but you're working near the motor and other electrical parts, so power off is non-negotiable.

Step 1: Access the Cabinet

For most Whirlpool top-loaders, you'll remove the entire cabinet. Look for two screws at the back bottom corners of the washer — these secure the cabinet to the base frame. Remove them with your 5/16" nut driver. Once they're out, lift the cabinet straight up about an inch, then tilt it back and away from the base. The cabinet should lift off completely, exposing the transmission and motor assembly underneath.

Step 2: Locate the Shift Actuator

The shift actuator sits on the side of the transmission — it's a black or gray rectangular box with a 6-pin connector. Take a photo of the wire harness connection before disconnecting anything. Press the locking tab on the connector and pull it straight off. Some models have a mounting bracket secured with a single screw; others just have the actuator clipped directly to the transmission housing.

Step 3: Remove the Old Actuator

If there's a mounting screw, remove it first. Then check for clips holding the actuator to the transmission — usually there's a spring clip or plastic tab. Use your flathead screwdriver to carefully pry the clip loose. The actuator should pull straight off once the clip releases. You might need to wiggle it slightly, but don't force it. If it's stuck, double-check for hidden clips or screws you missed.

Step 4: Install the W10913953 Actuator

Line up the new actuator with the mounting holes or clips on the transmission. Push it firmly into place until you hear or feel it click. The shaft from the actuator needs to engage with the transmission mechanism, so make sure it's fully seated. Reinstall the mounting screw if your model uses one. Connect the 6-pin wire harness — it only fits one way, so if it's not going in easily, flip it 180 degrees.

Step 5: Reassemble and Test

Set the cabinet back onto the base frame. Lower it straight down, making sure it aligns with the mounting holes. Reinstall the two bottom screws and tighten them securely. Plug the washer back in and run a test cycle. Start with a small load and watch for proper agitation and spinning. The washer should shift smoothly between cycles without error codes.

Testing After Installation

Run a complete wash cycle with a small load. Listen for unusual grinding or clicking during the transition from wash to spin. The washer should drain completely, spin without hesitation, and complete the cycle without error codes. If you still see error codes or the washer won't shift, double-check the wire harness connection — it's easy to leave it partially disconnected.

Frequently Asked Questions

Will this work if my washer just hums but won't agitate?

If the motor runs but the basket doesn't move, the shift actuator is a likely cause. However, a humming noise can also mean a seized transmission or bad motor coupling. The actuator controls the shifting mechanism, so if it's failed, the transmission can't engage properly. Try the actuator first since it's cheaper than a transmission.

Do I need to remove the transmission to replace this part?

No. The shift actuator mounts to the outside of the transmission housing and can be replaced without removing the transmission itself. You only need to access the cabinet to reach it. That's what makes this a DIY-friendly repair compared to internal transmission work.

How do I know if the new actuator is working?

You'll hear distinct sounds during the cycle. The actuator makes a clicking or buzzing noise as it shifts the transmission between agitate and spin modes. If you don't hear those transition sounds or the washer skips the agitation cycle entirely, either the actuator isn't installed correctly or you've got a separate issue with the control board or wiring harness.