Some of the gears with the wobble track were two piece. It's a nightmare as you must remove the pump and you might as well replace the chain while your at it

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Ricali

03 C240 4matic wagon
95 300E 234,000
7 prior 240;s 5 still going
81 300sd gone
65 230sl gone
49 Studebaker Champion
90BMW convert.167,000
60 Dodge D-100