Volvo originally called for ATF Type A in your power steering. To quote: "All iterations of Dexron B, Dexron II and Dexron III ATF products are backward compatible with Type A fluids. Newer General Motors specs such as DEXRON VI, DEXRON HP and DEXRON ULV are NOT backward compatible with applications requiring a Type A ATF"

When topping up an old power steering system, I add 50/50 power steering lubricant to help keep the seals puckered. Almost any seal conditioner, even brake fluid, will probably work okay. Just once you start needing seal conditioner, your seals are on borrowed time.

| I see there is a seal kit available

Yes, Rockauto.com

| easy job for a mechanic or time consuming?

Yes, both, especially time.

Maybe do a bit more online research and check out some YouTube videos to see what you're up against. If the rack is in otherwise good shape, new seals can put you right for a long time and knowing it was your good rack, not someone else's with unknown wear and tear. People often say rebuilt racks are a crap shoot, up to half can soon fail, and that's been my limited experience having to immediately replace a rebuild under warranty much to the chagrin of my local indie who had to replace it. Even though it didn't leak, it never felt right.
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Dave -still with 940's, prev 740/240/140/120 You'd think I'd have learned by now