Rubber Pin 4

Unscrewed screws and took case apart.
Replaced anvil
Replaced brushes
Added rubber pin in case back end (i lost it)
Replaced case with new parts, added label
I now have a brand new impact driver

I also used a video available on ereplacementparts, was a great asset and explained and showed the repair.

Removed all screws holding casing and power head, separated case removed motor replaced armature, removed brush holder and 2 screws from trigger, installed new brush holder wires on trigger make sure which ones are red and black, re assembled in reverse order total time was maybe 20 minutes, make sure notch on motor lines in with the notch in the case.

Swapped out all visibly worn parts with replacement parts. Driver works great.

1. Disassembled impact driver. (remove screws from end cap, body halves)
2. Removed damaged brushes, springs, and electrical clips.
3. Disconnected brush-holder electrical feed wires from electrical source. (screws)
4. Removed damaged brush-holder.
5. Installed new brush-holder.
6. Connected brush-holder electrical feed wires to electrical source. (screws)
7. Installed new brushes, springs, and electrical clips.
8. Assembled impact driver. (installed screws in body halves, end cap)

Removed the rear cover, disconnected the brushes and replaced them,
Installed the new rear cover and rubber pin
Pressed on the new front bumper

1. Remove two screws on rear of drill and remove cap taking care not to lose small plugs (smaller than pencil eraser).
2. Remove screw side half of drill housing observing damage and parts orientation. Note there is one screw inside the back cap to unscrew as well.
3. Remove damaged parts and add replacement parts in same orientation. I checked a newer drill for reference, but should have taken a photo before I started.
4. Reassembled taking care on the trigger lock and speed shifter since they try to get out of alignment. There is also a small "T" shaped piece of curved steel that aligns in a groove forward of the chuck. It fell out loose on mine.
5. Check drill operation.

1) Removed battery
2) Removed screws from case and set aside one half of the case
3) Removed old brush holder from case and disconnected wiring from the trigger
4) Moved magnet coil retention bracket out of the way
5) Removed armature screws from front of drill around chuck
6) Twisted plastic armature retainer and pulled armature assembly out of drill body, taking care not to damage the planetary gears
7) Transferred plastic armature retainer to new armature
8) Transferred magnet coil to new armature and installed the assembly
9) Installed new brushes in new brush holder
10) Installed new brush holder assembly in drill body and connected to the trigger
11) Transferred speed selector switch to new armature.
12) Installed new Rubber Pins into back of drill case
13) Reinstalled magnet coil retention bracket
14) Reassembled drill case and tested

1. Got online to your website
2. Looked at posted video
3. Ordered parts
4. Installed parts
5. Drill works great