I heard from Sun Valley Transmissions that one way they correct the early wear of the reverse clutch discs on the 722.3 transmissions is to use only half of the springs in the reverse piston (up by the front pump) so that the reverse piston doesn't slam so hard against the discs. Has anyone else done this? I heard that the early transmissions had weaker springs and there were complaints by customers that reverse was too "harsh", so starting in 1990 Mercedes compensated by using stronger springs, which corrected the harsh reverse engagement but at the cost of early wear of the discs.

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1967 W110 Universal Wagon, Euro, Turbo Diesel, Tail Fins, 4 Speed Manual Column Shift, A/C
1980 W116 300SD Turbo Diesel, DB479 Walnut Brown, Sunroof, Highly Optioned, 350,000+ Miles