Ouch... guess it's time for an upgrade

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  • olllllo
    258 I6
    • Jul 29, 2003
    • 347
    #1

    Ouch... guess it's time for an upgrade

    I have had a vibe developing in my rear diff over the past few months prior to my engine swap. Since I got it back this week, I noticed that it has gotten worse. As I was backing it out of the driveway last night, I heard/felt a pop kind of noise, but it only occurred once and went away. I decided then that I would look into it today. When I went out around lunch today I saw a huge pool of gear lube under my rear diff. It was slowly just draining. While my head was under there I saw a new drop form and then drop to the ground, so it was pretty fast. For the life of me I couldn't figure out why the seal would have just suddenly completely given up like that.

    When I took off the cover, I found this!



    It looks like my spider gears have reached the end of their road. I don't see any marks on the ring gear, so I think I am OK there. However, I was cleaning off the cover with some brake cleaner and found this!



    I guess that explains the leak!

    So, tonight I went ahead and ordered an Aussie locker for the rear. I thought I was done spending money for a while after my engine swap, but apparently I was wrong. At least I get an upgrade out of it!
    ~Dave Shuck

    '86 Grand Wagoneer - 4BT Cummins, Dodge NV4500, Ford NP205, Front HD HP 44, rear D60, 37" military Goodyear MTs
    >> Build Thread <<
    Tags: None
  • Chevelleguy
    approaching Ristows' level of B.S
    • Jul 20, 2003
    • 5573
    #2
    Was that hole made from the inside or outside? Looks almost like someone drilled it. A quick spot weld should fix it up, so you don't have to buy a new cover too.
    David "If all else fails, read the instructions."
    83 Wag Lt,BJ's 6"lift,360/727/Pinned229,D44/trac-lok,AMC20/lock-right,35/12.50 Baja MTZ,Pro-Jection EFI.
    10$ NP229 fix http://www.ifsja.org/forums/vb/showthread.php?t=2520

    Comment

    • lunchbox1671
      350 Buick
      • Sep 22, 2010
      • 774
      #3
      Ouch!!!!
      1979 Jeep Cherokee Chief Sport 4 door N/T.
      -AMC 360 with RV cam
      -T-15A, Dana 20
      -Dana 44's, 3.54's,
      -32x11.50r16's

      Comment

      • olllllo
        258 I6
        • Jul 29, 2003
        • 347
        #4
        Originally posted by Chevelleguy
        Was that hole made from the inside or outside? Looks almost like someone drilled it. A quick spot weld should fix it up, so you don't have to buy a new cover too.
        Made from the inside. The real kicker is that I just traded my welder away on Monday! Bad timing.
        ~Dave Shuck

        '86 Grand Wagoneer - 4BT Cummins, Dodge NV4500, Ford NP205, Front HD HP 44, rear D60, 37" military Goodyear MTs
        >> Build Thread <<

        Comment

        • jaber
          Dragin Az
          • Oct 17, 2003
          • 8105
          #5
          Originally posted by olllllo
          I just traded my welder away on Monday!
          YOU OWN AN FSJ!!!
          WHAT WERE YOU THINKING???

          Sorry, I feel better now.
          Jeff

          '43 cj2a
          '51 Willys p/u
          '51 Willys Parkway Conversion
          '68 Panel Delivery
          '74 CJ5
          '75 J-20 Wrecker
          '75 J-20 Cummins service bed
          '77 J-10 p/u
          '79 Cherokee
          '88 Grand Wagoneer
          '98 Grand Cherokee

          Comment

          • Chevelleguy
            approaching Ristows' level of B.S
            • Jul 20, 2003
            • 5573
            #6
            Well then you can go show the new owner how to do a quick spot weld.
            David "If all else fails, read the instructions."
            83 Wag Lt,BJ's 6"lift,360/727/Pinned229,D44/trac-lok,AMC20/lock-right,35/12.50 Baja MTZ,Pro-Jection EFI.
            10$ NP229 fix http://www.ifsja.org/forums/vb/showthread.php?t=2520

            Comment

            • Heavy_Metal_Thunder_81
              Cherokee Outlaw
              • Jan 10, 2006
              • 7292
              #7
              Hey I did that once

              Did the same thing and upgraded to a Lock-Right...HUGE difference.
              -Jonny B.
              1979 Cherokee Golden Eagle - UNDER CONSTRUCTION
              7" Alcan springs, BJ's HD shackles - 35x12.5x15 BFG Mud Terrains
              AMC 401 - Pro-Flo 4 EFI
              NV4500/NWF BB/NP205 - Triple Stick'd
              F D44 - 4.10, Eaton E-Locker
              R M23 - 4.10, Detroit Locker

              1979 Cherokee Chief - Parts
              1979 Cherokee Chief - Parts
              1979 Wagoneer - Sold
              1981 Cherokee Chief - Cubed

              Comment

              • Jeepguy77
                350 Buick
                • Mar 16, 2008
                • 1183
                #8
                Yeah after getting my rear axle torn down I found the roll pin that holds the cross shaft broke allowing the shaft to hit the pinion when it went around. But it doesnt look anywhere near as cool as your guys carnage
                Pierce,
                77 J10 454, TH400, D20,

                Comment

                • fulsizjeep
                  Señor Jackhead
                  • Aug 21, 2002
                  • 22496
                  #9
                  Hate it when that happens! Be glad you get to deal with this now and not on Imogene Pass.
                  Flint
                  Ran when parked.
                  http://jubileejeeps.org/quadratrac
                  88 GW, 401/727/208, 5" lift, D44s/4.10s/locked up, 35s with a few Evil Twin & TT's Fabworks mods
                  76 401 Wag, 77 401 Wag, 77 401 J20
                  http://eviltwinfab.com http://www.ttsfabworks.com

                  Comment

                  • ProTouring442
                    327 Rambler
                    • Mar 15, 2011
                    • 702
                    #10
                    In a '61 Impala I once owned, I had a bearing come apart and one of the rollers got caught between the ring and pinion. It fired a piece right through the cast iron case and left a ding in the floor! Made a heck of a bag too!

                    Shiny Side Up!
                    Bill
                    You ever wonder what medieval cook looked at the guts of a pig and thought, "I bet if you washed out that poop tube, you could stuff it with meat and eat it."

                    Comment

                    • The Colonel
                      360 AMC
                      • Feb 21, 2010
                      • 2842
                      #11
                      I think that new 4BT may be too much torque for you -you'd better swap it out for a gas engine

                      Comment

                      • olllllo
                        258 I6
                        • Jul 29, 2003
                        • 347
                        #12
                        Originally posted by fulsizjeep
                        Be glad you get to deal with this now and not on Imogene Pass.
                        I was telling my wife the same thing last night (as I was breaking the news that I had just bought a locker!)

                        Originally posted by The Colonel
                        I think that new 4BT may be too much torque for you -you'd better swap it out for a gas engine
                        If only I could find someone to take this old thing off my hands, eh?
                        ~Dave Shuck

                        '86 Grand Wagoneer - 4BT Cummins, Dodge NV4500, Ford NP205, Front HD HP 44, rear D60, 37" military Goodyear MTs
                        >> Build Thread <<

                        Comment

                        • badaboom
                          AMC 4 OH! 1
                          • Jun 05, 2001
                          • 3761
                          #13
                          luv grenade
                          1981 Jeep J10 Laredo, 401-V8, 625 Carter, Lunati 262/268, Edelbrock Performer, MSD Ign., Hydroboost, Hyd. Clutch, Flow Cooler WP, Be Cool Aluminum Radiator, Doug Thorley, NV4500 5-Spd, NP-231D, 3.73 F/R Trac-Locs, Rustys 4" Lift, Vintage Red Metallic, Black Interior and 33X10.50X15 BFG, FiTech400 to come - IN PROCESS Bling Bling Cha-Ching

                          Comment

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