Replacing Diodes and Brushes in a Denso Alternator  Replacing         Replacing Diodes and Brushes in a Denso Alternator   Remove 1the 0mm nut at the B+ post, the three 8mm nuts and the 8mm head screw.  You can use a small screwdriver and gently pry and lift the cove off.  The diodes and brushes are now exposed.         Remove the dust cover and four screws that hold in the brush pack assembly, lift assembly out.    Remove the four Philip head screw