i think the only feasible way to take it to a mechanic would be to remove the hub and lower control arm assembly. But that clearly would not be worth it. I'd just take the car to the mechanic or buy the tool. That job is rare enough that I'd probably have a shop do it.

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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13