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Old 02-01-2007, 08:00 PM   #1
williaty
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Member#: 71092
Join Date: Sep 2004
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Location: Delaware County, Ohio
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2005 2.5RS Wagon
Regal Blue Pearl

Default Need Urgent Help w/ Botched Rear Diff Skidplate Install

Today, I was trying to install my front and rear skid plates from Primitive Racing.

Continuing what must be the most error prone skidplate install in the history of mankind, I now have a severe problem with the rear skidplate install. When I got to the point of loosening the nuts on the rear diff rear mount studs, the studs came out with the nuts practically welded onto them. I went after both with a breaker bar before I realized that the stud was coming out, not the nut. It wasn't until I started using the ratchet to get the nuts off as quickly as possible that I realized the stud was spinning. Now, both studs with nuts intact are sitting in a tub of PB Blaster. Once they've soaked for a few hours, how on earth am I supposed to get the nut of the stud? Once (if) I manage to remove the nut from the stud, how do I get the stud back into the diff tightly enough?

My two thoughts so far are to grind off (with the nut in place so I don't have to worry about messing up the threads and not getting the nut back on) the last little bit of the end of the stud that doesn't go into the diff so I have something to lock onto with a vice, spin the nut up the stud to the ground bit, use pliers to put the stud back into the diff, and then move the nut back down the stud to where it belongs.

My other thought is to just go to the parts department tomorrow, get two new diff studs and nuts, and start fresh. The problem is getting to the parts dept. without a rear diff.

What do you think is the better idea? Any other suggestions?


Thanks!

Ty Williams
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Old 02-01-2007, 08:52 PM   #2
dibblejr
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05 LGT
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Try puting the stud back on the same way it came out, or go to an auto parts store and get you a new stud and nut.
Dont forget to write a review and post it in the part review threads.
Heat from a blow torch and a great set of vise grips will be your friend. Hold the stud with the VG heat the crap out of it and remove the nut.

JAy-R
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Old 02-01-2007, 10:51 PM   #3
BrickNick
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im not sure what studs ur refering to.....but if u are talking about the ones that hold the rear diff into the subframe they are supposed to come out with the nuts on them........
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Old 02-02-2007, 12:12 AM   #4
williaty
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In the end, I soaked the nuts and studs in PB Blaster for an hour or two. Then I cut two pieces of softwood (pine) and placed them on either side of the diff side of the stud. I then placed the sandwich in a vice and tightened the vice until the wood crushed around the stud and the two pieces of wood. This gave me _almost_ enough friction to get the nut to move. I had to BARELY pinch the outer end of stud with a pair of Vice-Grips and then I was able to back the nut out to the very end of the stud. I then placed the stud back into the diff and tightened it by finger tight and then put the stud in the rest of the way by turning the nut. Once the stud bottomed out, the nut traveled down the stud and all was good.
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Old 02-02-2007, 01:14 PM   #5
leecea
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The wood idea is good - I'll have to remember that one.
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Old 02-02-2007, 01:20 PM   #6
williaty
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I'd love to take credit for it, but I phoned a friend. My father, in this case, who, although he knows nothing about cars, has screwed up and fixed more projects over the last 40 years than I can even imagine. It just boggles my mind when I watch him do something perfectly right on the first try. Of course, I didn't get to see that 10 years before I was born, he managed to set a corn field on fire with his car-mounted model rocket launching tubes (his father was fire chief at the time, btw).

I suppose what I mean is that I've benefited from someone else's experience.
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