Personally, I would go with the FSM. I don't think there is an equivalent substitute, and even then, there is lots of room for improvement. IMHO, service manuals should have laminated pages and lay-flat binding. But the people who make those decisions are not wrenchers themselves, at least not the ones I've met.

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'82 300SD - 361K mi - "Blue"

"Good judgement comes from experience. Experience comes from bad judgement."

listen, look, .........and duck.