Hotpoint HTW240ASK6WS OEM Agitator — What It Fixes and How to Replace It
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Understanding the Problem
The agitator in a Hotpoint HTW240ASK6WS is the vertical plastic/metal post in the center of the wash basket that moves clothes back and forth to clean them. OEM replacement agitators restore proper mechanical engagement and motion when the original is cracked, stripped, or its internal directional dogs/cogs are worn. 1) Confirm the problem and inspect externally: - Unplug the washer and shut off water if you need to move the machine. Rotate the agitator by hand with the washer off. Note any excessive vertical play, rough binding, clicking, or a free-spinning upper section that doesn’t move the lower section. - Remove the softener cap or fabric dispenser cap on top of the agitator (if present) to reveal the retaining bolt. 2) Check the simplest components first: - Remove the top cap and inspect the retaining bolt (usually a hex or torx). Tighten if loose. If tighten restores solid engagement, test a short cycle. - If the upper agitator spins freely while the lower part does not, the directional dogs (agitator cogs) inside are likely worn and need replacement. 3) Inspect splines and dogs: - Remove the retaining bolt and pull the agitator straight up (you may need a firm pull or an agitator puller if seized). Inspect the splined shaft and inside of the agitator: stripped plastic splines or missing/broken dogs indicate the agitator assembly or repair kit is required. 4) Determine repair vs replace: - If plastic splines inside the agitator are stripped but the driveshaft splines on the gearcase are fine, replace the agitator (or fit an agitator repair kit that includes dogs and any internal components). - If the gearcase splines are damaged, you may need a gearcase replacement — this is a more involved repair. 5) Replacement steps (basic two-piece/one-piece agitator common to this model series): - Tools: 7/16" or 11/16" socket (depending on bolt), ratchet, pliers, flat screwdriver, penetrating oil (if seized), shop towel. - Unplug washer and move to allow access to the back if needed. - Remove the fabric softener cap on top of the agitator to expose the retaining bolt. - Use the correct socket to remove the retaining bolt that secures the agitator to the transmission shaft. - Pull the upper agitator straight up. If it’s stuck, spray a small amount of penetrating oil around the base and pry gently with a flat screwdriver under the lip, using a towel to protect the tub. Some models have a lower agitator section that also lifts out after the upper. - Inspect the splines on the shaft and inside the agitator. Replace the agitator or install the agitator repair kit (dogs/cogs and seals) if that’s the worn component. - Reinstall new dogs/parts per kit instructions, seat the agitator onto the splined shaft, reinstall and torque the retaining bolt snug (don’t over-torque — follow part instructions), snap the cap back on. - Run a short wash cycle with no clothes to confirm normal agitation, listen for unusual noises and confirm no wobble or slipping. 6) When to replace the gearcase or coupler: - If the transmission shaft splines are badly chewed or the washer makes grinding noises from the lower drive area, the gearcase or coupling may be failing and should be inspected by a technician. Safety note: Always unplug the washer before working on electrical components. Use eye protection when working under the tub or applying penetrating oil. If you’re not comfortable lifting the outer tub or replacing the gearcase, call a qualified appliance technician.
Common Symptoms
Washer tumbles but doesn’t agitate properly, clothes not getting clean, agitator spins without resistance, loud clicking or banging during agitation, visible wobble or a cracked agitator.
Common Causes
- Worn or broken agitator directional dogs (cogs)
- Stripped plastic splines inside the agitator or on the transmission shaft
- Loose or missing retaining bolt or cap
- Cracked or broken agitator body from impact or fatigue
- Failing gearcase or transmission causing poor drive engagement
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Helpful Repair Tip
If the top section of the agitator spins freely by hand while the bottom is stationary, the directional dogs inside the agitator are almost certainly worn — you can confirm by pulling the agitator and visually inspecting for broken or missing plastic dogs and rounded splines.
Frequently Asked Questions
Can I just replace the agitator dogs instead of the whole agitator?
Yes — if the splines on the transmission shaft and the underside of the agitator are intact, replacing the directional dogs (the little one-way plastic cogs) is a common, inexpensive repair. Pull the agitator, inspect the parts, and install an agitator dog kit if only the dogs are worn. Replace the entire agitator if the internal splines or the plastic body are damaged.
How long does it take and can I do it myself?
Replacing an agitator or agitator dog kit typically takes 30–60 minutes for a homeowner with basic tools. The job is straightforward: remove the cap, unbolt the retaining bolt, pull the agitator, swap parts, and reinstall. If you find damaged gearcase splines, the repair becomes more complex and may require a technician.
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