Install Agitator Dog Kit — How to Replace Worn Agitator Dogs
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Understanding the Problem
Agitator dogs (also called directional cogs) are small one-way plastic pieces inside the washer’s agitator that allow the agitator to move fabric back and forth during the wash cycle. Over time they wear down or break, which causes the agitator to slip — the basket may spin but the agitator won’t rock properly and clothes aren’t cleaned effectively. Replacing the agitator dogs is a common, inexpensive repair on many top-load washers (Whirlpool/Maytag-style machines). The job usually takes 20–45 minutes with basic hand tools. The procedure involves removing the agitator, swapping the worn dogs for new ones in the lower agitator sleeve, and reassembling carefully while ensuring the new dogs seat correctly in their slots and engage the one-way action.
Common Symptoms
Agitator spins freely or rotates in both directions without ratcheting, clothes not getting agitated/cleaned, loud clicking or grinding when the agitator moves, or the washer fills and drains normally but agitation is weak or absent.
Common Causes
- Normal wear of the plastic one-way dogs from repeated use
- Broken or missing dogs from overloads or foreign objects trapped in agitator
- Damaged agitator cam/retainer or worn lower agitator sleeve that prevents dogs from seating correctly
Popular Parts That Fix This Problem
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Helpful Repair Tip
Before disassembly, test the dogs by manually rotating the agitator: it should ratchet (move freely) one way and lock the other. If it spins freely both ways or does not ratchet, the dogs are likely worn and need replacing.
Frequently Asked Questions
How long does it take to install an agitator dog kit?
For a DIYer with basic tools it typically takes 20–45 minutes. If the lower agitator is stuck or other parts are damaged, it can take longer.
Do I need any special tools to replace agitator dogs?
No special tools are usually required — common tools are a socket set (check for 7/16" or 9/16"), a long extension for the socket, pliers, and a flat screwdriver or plastic pick to remove the old dogs. A flashlight and gloves help. Always unplug the washer before starting.
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