My 1987 560 SEL (156K miles) has a bad transmission leak that does not appear to be coming from the pan gasket or the front seal. Instead it is coming from the right side of the transmission from the unit that looks like some type of transmission governer. The leak seems to be originating from an inaccesable plug toward the top of the unit. Any idea what this plug is and to get repaired? I have to add transmission fluid almost on a weekly basis.

Thanks

Marc P
Plymouth Ma.

You are probably talking about the secondary pump. They should be resealed by a competent tech as if done wrong the governor will self destruct and cause a bad tranny.


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Benzmac:
1981 280GE SWB
1987 16V
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM

Marc P.
If you do not want to go to any of your not so local dealers, pull out your phone book and call up MB Speciality. It is just off of Long Pond Road. Ed will take good care of you.

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Benzmac, is this a common problem? Mine just started leaking. How difficult is it to reseal the secondary pump "correctly"?

-brian