This was performed on a stock 97 Civic Ex, with a D16Y8, your experience may vary.
The basic diagram you'll be working with.
Step 1: Loosen your driver side lug nuts. (no pic)
Step 2: Jack up your car and secure it safely. I used jack stands (no pic) and wheel chocks. Use your best judgment. Remove the driver side wheel.
Step 3: Once your car is safely suspended, go ahead and remove the negative battery cable, followed by the positive battery cable.
Step 4: Remove the green (4P connector) connector from your alternator.
Step 5: Remove the B terminal by unscrewing the nut. (You can see it on the right of the green 4P connector)
Step 6: Loosen the alternator adjusting bolt.
Step 7: Loosen the upper mount bracket bolt. (the one on the left)
Mine was pretty tight so I had to use my makeshift breaker bar,
Step 8: Remove the alternator through bolt on the bottom. (My car is missing some splash shields, so if one is in the way, remove it), pic is from below.
Step 9: Remove the alternator belt from the pulley.
Step 10: Remove the (blue) wire harness holder from the alternator bracket.
Step 11: Remove the two bolts holding the lower alternator bracket.
You can see one bolt in the foreground, and the socket on the other bolt.
Step 12: Unclip (Like you would a zip tie) the wire harness from the alternator bracket. (Don't cut it as you will need it when you install your new alternator). It's square in the middle of the pic.
Step 13: Remove the alternator bracket from the alternator (No pic)
Step 14: Getting that **** out of there. This seems to be the trickiest part of the removal. I chose to drop it down through the driver side wheel well. Pics kind of document it, but you will need to play around with it a bit to get it out, not hard.
Step 15: Remove the two screws holing the splash guard in place. (your car might have more)
Step 16: Remove the zip tie holder from your old alternator, and insert it onto the new one.
Step 17: Push the alternator through the driver side wheel well just as you pulled it out (Might take some massaging)
Then bolt everything up the way you took it off, set your bet tension, and you're all set.
I found that it was easier to bolt up the alternator to the alternator bracket first, then bolt up the alternator to the lower mount via the alternator through bolt, then I installed the upper mount bracket bolt.
EDIT: If you noticed, I loosened the PS hose bracket, and removed the hose from it, to gain better access.
*******This writeup may or may not contain all necessary steps. Please consult your mechanic prior to performing any mechanical work on your vehicle. The author holds no liability for any injuries or damage caused by following this write up. The reader assumes all liability.********************
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