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Author Topic: Gearbox oil leak (170S, 1951)  (Read 89 times)

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Offline twigren

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  • Location: Sweden, Skåne
  • Year_Model: 1951
Gearbox oil leak (170S, 1951)
« on: August 28, 2017, 03:23:02 AM »
Dear friends,

Discovered an oil leak from gearbox, upper back side.
Oil is apparently leaking from the entry of speedometer cable.

After a day of disassembling things (removing the box and a bunch of things...) , I noticed there are no sealing inside the speedometer entry hole. Cant really understand how the construction is intented to seal and avoid leaks. Speedometer cable (metal), inserted in the metalcase and secured by a sprint screw. I thinks I miss some part here?

Question to you experts;
Shouldn't there be any type of sealing here? If so, what type?

/Thomas
Thomas Wigren
Mercedes-Benz 170S, 1951

Offline Henry Magno

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  • Year_Model: 1952 220 Cab B, 1937 320 Sedan, 1937 320 Combination Coupe, 1938 320 Cab A LWB
Re: Gearbox oil leak (170S, 1951)
« Reply #1 on: August 28, 2017, 11:02:45 AM »
No sealing here, they did later on the pontons. If it's really clean, a little gasket sealer might help on the circumference of the speedo cable end.

Offline twigren

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Re: Gearbox oil leak (170S, 1951)
« Reply #2 on: August 28, 2017, 04:18:08 PM »
Thanks henry :)
Thomas Wigren
Mercedes-Benz 170S, 1951