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« on: February 25, 2014, 08:11:40 AM »
How many miles on the diff? Why lean towards a rebuild if there (most likely) is nothing wrong with the one you got? Replace the output seals and call it a day.
Why did you have your foot under the diff when lowering it? I prefer to use a good floor jack instead of a body part...only gonna' add to your "rebuild costs". You do have a "good" floor jack, right? The one you have in your pics does not fall into that category. You need to get a real 1.5 or 2 or 3 ton jack with a nice big cup that will support/stabilize the diff as you are lowering it. It would appear that you must have tried to balance the diff on the end of that jack as you were lowering it. That wasn't going to work. Using your foot as bump stop as the diff fell off of your jack would not be my idea of a good time. what was the worst thing that was going to happen...you were going to scrape your concrete? In one of my earlier posts I told you to be careful. This is not worth getting injured over. It is all fun and games until...somebody loses an eye. Don't be that guy. I have two Sears 1.5 ton floor jacks. One I have had for 25 years. The other (identical twin) I scored at an auction for $30.00. So, for a grand total of $130.00 I have two good sized floor jacks. If I can score a 3 tonner at an estate auction or yard sale, I would buy it. Ya' gotta' have the right tools for the job. Don't cheap out on the tools. If you are going to continue to play these games of screwing with cars...they will come in handy in the future. I like what you are doing...but it is not worth getting hurt over. To give you an example...in the next 2 weeks I am going to be swapping an automatic transmission on a 1998 Audi A4 Quattro...old one out, new one in. Do you remotely think I would consider using your floor jack at any stage of that project? If you said "yes" you need to hand in your man card and put the tools down...step away from the car. I cannot afford to get hurt doing my hobby. Enough of the lecturing.
As an aside...you can probably find a good take out diff for less than a "true" rebuild. Especially if you are remotely going to consider altering the rear gear ratio.
I like what you are doing. Don't get hurt over it. If you do...you are only going to pay people like me to take care of people like you. And that is OK, too. I have to make a living.