300E 4MATIC (124.230) L6-3.0L (103.985) (1990)
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3
Remove switch-off plunger (21) with pressure spring (24) and spring plate (25) from pump housing.
4
Remove O-ring (29).
5
Check all parts tor damage and wear. The gap between the two teflon rings (30, 31) must be completely close. If necessary insert the teflon rings
into the grooves with a little grease.
