legacycentral bbs

Are there major differences between the 90MY and the 91MY Legacy? I'm looking around for service manuals for the 90MY but those are pretty hard to come by in a full set or in pieces. I found a full set for the 91MY Legacy however and I'm wondering is it worth spending the money or were things between the 90 and 91 so completely different that I'm better off continuing my search for 90MY service manuals?

There's differences, but they really don't affect much related to service procedures. I have a set of MY91 manuals that I use for my '93 and it's served me well. Consider that any a independent manual will cover the entire body style run at the least (and typically 90-99/01 for Legacy's) due to them being 95% identical in service procedures.

I've actually been curious about what could possibly be in the '93 and '94 supplements that's different from what the older manuals have.

I used to own a full set of '92 FSM with the '93 and '94 supplements. Wish I hadn't sold it actually.

The '93 supplement mostly dealt with the airbag system and a couple minor changes to wiring/etc.
The '94 supplement was almost entirely composed of changes to the A/C system, since '94 was the first year for R134 instead of R12.

The 90 & 91 FSM's are going to be very very close and the differences should be minor.

I too have a set of the 92 FSM's, 93 & 94 supplement. The differences and changes are very minor.