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Diff cover easy to break when replacing bushing?

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    #1

    Diff cover easy to break when replacing bushing?

    I dropped off my diff cover at a independent BMW shop to have the differential mounting bushing removed and replaced. They warned ahead of time that these covers can crack or break from the strain of removing and/or installing the bushing.

    Sure enough when I stopped back the cover cracked from either the removal or installation of the bushing - not sure which, the guy seemed to change the story.

    Is this a common problem, is seems like a pro mechanic shouldn't have a problem with this...? Once again, I regret letting anyone do anything to one of my cars...
    Tags: None
    #2
    no they suck at working on cars/don't have the right tools
    ///Alpinweiß II 24v 91' 318is, Alpinweiß III 99' 323i, 04' Yamaha R6 SE for sale, 00' VW GTi, 83' El Camino BURNED, 01' P71sold, 92' Miatasold

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      #3
      If you use the new bushing to press the old one out and a good brace below it, it shouldn't brake.
      Originally posted by Gruelius
      and i do not know what bugg brakes are.

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        #4
        Goddammit, I have been seen red all evening...

        When I brought the cover in, this kid/customer in the shop heard "might break" and said "no, you drill out the rubber, cut the metal band, won't break". I felt it in my gut that I should have taken it right back home, since that is what I did to the subframe bushings.

        Motherfucker, I am just as mad at myself!!

        Should I push to get a free new/used diff cover? The shop is a pretty well know place associated with another e30 site...

        Comment

          #5
          that seriously shouldnt break with the right tools, but anythings possible. try and get them to work with you on a price for a new/used one. either that or its a good opportunity to get an mcoupe cover.

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            #6
            What did they say when you got it back? "Sorry, that'll be $39.99."? Should definitely not have broken if they did it properly. And no, you don't drill the rubber and cut the metal band.
            Originally posted by Gruelius
            and i do not know what bugg brakes are.

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              #7
              I don't have any cover right now, they are looking into ordering a new one for $90.00 or finding a used one around the shop.

              "Cutting the metal band" idea was what the non-employee said as a real shadetree/DIY approach that he had done before without a press, which would have worked better that what the "pro" method was.

              I kinda just went "huh" and walked out, knowing nothing is going to happen on Friday night at 5pm, I will stop by next week...

              They said "these things break all the time" when they try to install new bushings, making it sound like the aluminum gets brittle or some shit over time.

              I am contemplating putting it on my card and then disputing the bill...

              Comment

                #8
                Time to upgrade to the finned M3 cover!
                sigpic

                Mike

                '91 325i track car. Mostly...

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                  #9
                  Yeah, just busted my cover this past weekend. The stupid ring snapped open pressing the new bushing in. Well, I also don't likely have the "right" tools, so I am more mad at myself than anything. I am getting a used one from someone with extras who will press in the new bushing too for $50.

                  Transaction Feedback: LINK

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                    #10
                    Yes they will break (easily I might add) if they are not R&R'd correctly.
                    I'm Not Right in the Head | Random Rants and other Nonsense1st Order Logic Failure: Association fallacy, this type of fallacy can be expressed as (∃x ∈ S : φ(x)) → (∀x ∈ S : φ(x)), meaning "if there exists any x in the set S so that a property φ is true for x, then for all x in S the property φ must be true".

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                      #11
                      Well, if the surrounding metal snaps open straight across from the pressure I can see that might be a flaw in the casting.

                      If a part breaks off, that's caused by poorly supporting the casting in the press.

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                        #12
                        I thought that mine was going to break when I took mine to a shop and helped them press it in. It didn't but I see hoe it could have. Oh yeah but that same shop also bent one of my TA putting new bushings in
                        Originally posted by Nicademus
                        My car beats off to that car. :bow:

                        Comment

                          #13
                          How about freezing the bearing, and heating up the case?

                          Not that it would just fall in, but it might help ease it in a bit.
                          Originally posted by Matt-B
                          hey does anyone know anyone who gets upset and makes electronics?

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