Transmission question

Dyna

Dyna

Member
Hi all:
I have a 1948 Merc 114 fordor. Just got the car back from a major overhaul. Rear end, engine and ****** all rebuilt. Before this work was done I had noticed that the shift linkage at the ****** case was always wet with oil. Since the rebuild there is still oil on the linkage where it comes out of the casing, not really enough to drip and leave a puddle of oil on the garage floor,just wet with a small drop hanging from the linkage. Is this "normal" or did my rebuilder miss a seal or O-ring? Thanks for your input.
 
There are seals that fit to each shift arm shaft and the side cover has a gasket. If the shift arms can be easily removed the seals wouldn't be hard to replace. The side cover can be removed to do the job on the bench. Some of the later Mercury arms are riveted on which makes the job more work but I don't know how the 1948 Mercury arms are secured. A person has to make sure of where the seep is and that it is gear lube and proceed from there. The transmission can be overfilled too and that can cause undue seeps.
 
You definitely have to remove the shifter levers in order to replace the seals. The job is easier if the shifter housing is removed to do this on the workbench. You may have to drill out the retaining pins. Check the shifter shafts where the lip of the seals ride to make sure they aren't heavily worn.
 
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