Results 1 to 3 of 3

Thread: Cracked front diff housing??

  1. #1
    Join Date
    Sep 2008
    Location
    Geelong, VIC
    Posts
    4,442
    Total Downloaded
    0

    Cracked front diff housing??

    Anyone come across cracking in the horizontal weld on the long side of the front diff housing?
    I’m familiar with where they crack around the front cover weld, but haven’t struck this before.





    Steve
    1985 County - Isuzu 4bd1 with HX30W turbo, LT95, 255/85-16 KM2's
    1988 120 with rust and potential
    1999 300tdi 130 single cab - "stock as bro"
    2003 D2a Td5 - the boss's daily drive

  2. #2
    JDNSW's Avatar
    JDNSW is offline RoverLord Silver Subscriber
    Join Date
    Jan 1970
    Location
    Central West NSW
    Posts
    28,805
    Total Downloaded
    0
    No, like you I am familiar with the cracking round the front cover. Both this, and what you are seeing, I suggest result from twisting of the housing caused by articulation (one side up, one down) with the bushes at the axle end of the radius arms being stiffer than designed. Probably exacerbated in the Isuzu by the heavier engine.
    John

    JDNSW
    1986 110 County 3.9 diesel
    1970 2a 109 2.25 petrol

  3. #3
    Join Date
    Sep 2008
    Location
    Geelong, VIC
    Posts
    4,442
    Total Downloaded
    0
    That’s my view also.
    In this case the original cover was also cracked and had previously be welded multiple times.
    I’ve replaced the cover with an 8” pipe cap, but only noticed this crack while cleaning the rest up for painting.

    I’ve cleaned it up with solvent and then put some penetrant on the inside with the seam facing down.
    Will see if that makes its way to the outside overnight so I know if the crack is all the way through.

    Steve
    1985 County - Isuzu 4bd1 with HX30W turbo, LT95, 255/85-16 KM2's
    1988 120 with rust and potential
    1999 300tdi 130 single cab - "stock as bro"
    2003 D2a Td5 - the boss's daily drive

Tags for this Thread

Bookmarks

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Search AULRO.com ONLY!
Search All the Web!