48pontiac Posted July 25, 2019 Share Posted July 25, 2019 Anyone out there know if the front differential seal on 1948 Pontiac is the shim type or the crush sleeve type? Thanks, Jim Link to comment Share on other sites More sharing options...
mobileparts Posted July 25, 2019 Share Posted July 25, 2019 I have them -- NEW -- N.O.S. Very U.S.A. made -- Fits 1948 - 1952 Pontiac --ALL-- The old National number is 6244. The old Victor number is 49588. But I have to confess -- I am not sure what your question is??? You are welcome to call me -- I can pull one and describe it to you... Yours, Craig -- 516 - 485 - 1935 .... New York. Link to comment Share on other sites More sharing options...
Bloo Posted July 25, 2019 Share Posted July 25, 2019 I'll bet he wants to know if that rear axle uses shims or a crush sleeve to set the pinion bearing preload. On some axles it makes the difference between quick and easy, or hard and scary. If the axle uses a ball bearing and a Hyatt bearing on the pinion like my 1936 Pontiac (and several models of Chevrolet and Buick) does, it may not even be the right question to be asking. 1948 sounds way too early for crush sleeves to me, but I just don't know. Anybody got a shop manual? Link to comment Share on other sites More sharing options...
Bloo Posted July 25, 2019 Share Posted July 25, 2019 (edited) Well.... Looks like it's a crush sleeve in 49.... http://pontiac.oldcarmanualproject.com/manuals/1949/1949%20Pontiac%20Shop%20Manual/06-Rear%20End%20Suspension/page1.html Edited July 25, 2019 by Bloo (see edit history) Link to comment Share on other sites More sharing options...
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