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differential cover

Discussion in '1969-1972 K5 Blazer | Truck | Suburban' started by bdkmiller, Oct 21, 2002.

  1. bdkmiller

    bdkmiller Registered Member

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    I just got a diff cover from LMC Trucks. I was really disappointed to find that it does not have a filler hole or plug. I suppose I am supposed to drill it out & weld a bolt to it. Is this correct? Also is there a preferable way to do this. And how do I know where to put it, just approximate it based on my old cover?
    Thanks,
    Brian
     
  2. bouncytruck

    bouncytruck 1/2 ton status

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    Could you put a transmission pan plug into it? Is it a crome cover? I'd return the cover and get one from Summit.
     
  3. bdkmiller

    bdkmiller Registered Member

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    Maybe I should have got it from Summit. I thought about it but LMC's were very cheap, just about $40 including shipping. Saddly, the only reason I bought it was to get a decent filler hole. My current diff cover has a tiny filler hole & filling it is horrible. Plus it takes way too long. It is just regular sheet metal, no chrome. I am going to look into putting a tranny filler plug in it.
    Thanks,
    Brian
     
  4. Blazer1970

    Blazer1970 1/2 ton status

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    None of the normal differentials used in Chevys have a filler hole in the cover. The filler hole is normally in the differential housing.
     
  5. Greg72

    Greg72 "Might As Well..." Staff Member Super Moderator

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    Tim,

    Are you sure about that...? /forums/images/graemlins/crazy.gif

    Both my D44 and D60 have plugs in the cover to fill them. However on the REAR axles (12-Bolt and 14-Bolt)...my experience has been similar to what you describe, and the filler plug is in the pumpkin itself and NOT the cover....

    ???
     
  6. Burt4x4

    Burt4x4 3/4 ton status

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    ahhhh, the 12bolt I destroyed had a filler hole in the diff cover. My D44 front and D60 rear both have filer holes in the diff cover. I didn't think there was any other way to fill the diff??? Oh and by the way my opinion is that LMC is THE highest priced of all the resto places. try www.chevyduty.com or www.brotherstrucks.com next time... my .02c
     
  7. TONYP

    TONYP 1/2 ton status

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    This place has some good deals on parts.
    Truckshop
     

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