Topic: Driveshaft seal


thirtysixford    -- 04-08-2012 @ 4:59 PM
  Re building the torque tube. Which way does the B-4245 seal fit in the tube? Rubber seal beveled towards the rear end or towards the trans?


ford38v8    -- 04-08-2012 @ 5:12 PM
  It's been a while since I did mine, but I'll venture the opinion that the bevel should face toward the transmission, as you want to keep oil forward, not the other way round.

Alan


thirtysixford    -- 04-08-2012 @ 6:00 PM
  thanks Alan

I did notice that the outer metal part of the seal is rolled over so that one side of it is smooth and the other side has a crimp where the rubber was added and then formed into one piece. There is a thrust washer that goes between the seal and the spedo gear, it seems to me this should be the smooth side of the seal, but what do I know! Also the thrust washer has 8 holes punched into it.... what for?


deuce_roadster    -- 04-08-2012 @ 10:10 PM
  I would guess that the holes are for lubrication to get between the thrust surfaces.


supereal    -- 04-09-2012 @ 10:02 AM
  The sharp edge of the seal faces the u-joint. The roller bearing goes in next, followed by the thrust washer, which can face either way. The comes the speedo drive gear, with the collar end facing the thrust washer, then the snap ring that secures the speedo drive.


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