Christopher hanna Posted November 6, 2019 Share Posted November 6, 2019 End 673 has rear main leak I never worked on one I have done several other mack engines my question is how do you install the lead seal in it I have no book and can you get overhaul kits yet for these engines Quote Link to comment Share on other sites More sharing options...
Freightrain Posted November 6, 2019 Share Posted November 6, 2019 Gaskets not a problem. I think the rest is getting hard to get, or pretty expensive. Quote Larry 1959 B61 Liv'n Large...................... Charter member of the "MACK PACK" Link to comment Share on other sites More sharing options...
theakerstwo Posted November 6, 2019 Share Posted November 6, 2019 You roll the lead string or who ever in as deep as you can then push it up on the crank for sizing.But remember it is not a oil seal.It is a dust seal and the crank has a slinger on it for keeping the oil in.In most cases if it leaks oil back there the engine has too much blow by or over full. 2 Quote glenn akers Link to comment Share on other sites More sharing options...
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