When your Bosch washer won't agitate, the agitator repair kit is the most likely solution. Worn, stripped, or damaged agitator components can prevent the agitator from moving properly, even when the washer fills and runs. If the agitator repair kit is in good condition, inspect the drive block or bell. A worn drive block can allow the transmission shaft to move back and forth while the agitator moves only slightly or not at all. Next, check the lid switch assembly and make sure the lid is fully closed. A failed lid switch, a damaged lid strike, or an obstruction can prevent the washer from agitating or spinning. The motor coupling is another common cause, especially after an overload, followed by a broken or loose drive belt. These parts connect the drive motor to the transmission and agitator, so a failure can leave the washer not agitating. Unplug the appliance before testing or replacing parts, and use a multimeter to check lid switch continuity when appropriate. Enter your Bosch washer model number to find the exact replacement part for your specific washing machine.
01 - Bosch Washing Machine Agitator Repair Kit
If the washer won't agitate, replacing the agitator repair kit may solve the problem. The kit contains the agitator components that are most likely to wear out and/or fail. If any of the parts are worn out, stripped, or damaged, replace the kit.
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The drive block connects the washer transmission to the agitator. If the drive block is worn out, the transmission shaft will still move back and forth, but the agitator will only move slightly or will not move at all. Inspect the drive block for damage. If the drive block is worn out, stripped, or damaged, replace it.
On some models the lid switch assembly prevents the washer from both spinning and agitating when the lid is open. If the lid switch assembly fails, the washer will not spin or agitate. To determine if the lid switch assembly is defective, use a multimeter to test the lid switch for continuity. If the lid switch does not have continuity when the lid is closed, replace it.
On most top load machines the washer will not agitate or spin without the lid being fully closed. Close the lid after loading the washer and ensure there are no obstructions preventing the lid strike from connecting to the lid switch or latch.
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05 - Bosch Washing Machine Motor Coupling
The motor coupling connects the motor to the washer transmission. If the washer is overloaded, the motor coupling will fail in order to protect both the motor and transmission. The motor coupling can also fail due to normal wear. Inspect the motor coupling to determine if it is broken. If the motor coupling is broken, replace it.