DEWALT 24 volt problem with drill

[meets1]

Tear down tomorrow. Thinking transmission
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[rlitman]

Originally Posted by meets1

Tear down tomorrow. Thinking transmission
Posted via Mobile Device

Probably. If the clutch were slipping, it would be very noisy.
I'm not sure of that particular model, but DeWalt's I've repaired before often have a pin that goes through the shaft, which passes power to the gear, and that can break. Just the friction of the shaft on the gear will get the chuck to still turn a bit. If it's just that, it is an inexpensive part (unless you're handy enough to make something yourself), but gearboxes can be more difficult to reassemble than electronics in the original box.
How on earth to they get all that stuff into the cardboard boxes anyway?