Do new 602 timing chain tensioners still have to be primed w/SAE 10W? FSM says to use power drill and activate plunger, drawing oil into the chamber. Does this still apply?

TIA

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327K on 1986 W201, 602.911, 722.414 2.5 190D ("The Red Baron")
139K on 1993 W124, 104.942, 722.433 2.8 300E ("Queen")

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