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Bosch Dishwasher Spray Arms in 6 Steps: Clear Nozzles and Check Rotation

Follow Bosch guidance to remove, rinse and gently clear clogged dishwasher spray-arm nozzles.

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Bosch Home Appliances

Open Bosch's original spray-arm maintenance guide.

Link card to Bosch spray-arm cleaning steps

Blocked nozzles can reduce dishwasher cleaning performance. Removal mechanisms differ by model, so check your specific manual first.

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1. Wait for the appliance to stop and cool; follow your model's electrical and hot-water safety instructions.
2. Remove the lower rack and inspect how the upper and lower spray arms attach.
3. Depending on the model, release the upper arm or lift the lower arm as the manual directs. Never force the fittings.
4. Rinse the arms with warm running water and gently dislodge debris from blocked nozzles using a toothpick without enlarging the holes.
5. Rinse again, shake out debris and reinstall each arm securely according to its locking mechanism.
6. Replace the rack and confirm the arms can spin without hitting dishes; seek Bosch service if poor cleaning persists.