924Board.org

[mrgtturbo]

I'm just about ready to pull the engine from one of the 24's.
I lowered the front frame section, (cross-member), and control arms.
I'm just going to go ahead and remove everything to clean and paint it.
I desided to do this car right seeing I was digging into her so deep in the first place, (swapping motors and all). Suspension is coming out... the works.

Anyway, I've run into a snag.
2 of the cross-member bolts snapped on one side, and one on the other side got a bit twisted in my removing the nuts.

I guess I could drill these out, but there appears to be no place to get new bolts into that piece of frame from the top.

Are these studs or bolts welded in place from the top?

If welded in bolts, should I cut a hole into the flat side of that piece of the frame to tack-weld another bolt in, and then weld it together again, or is there another solution?

Thanks
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81' 931

[Smoothie]

If I'm getting what you're saying right... A neat little contraption was included with a tow-hitch that I put on my Jeep a few years ago. It was a wire over a foot long with its' end wound like a spring. The size of the spring was perfect to screw one of the mounting bolts onto the end of it. That you'd do, then pick a hole - any old hole big enough to get the entire bolt with head through, then fish the wire into the large hole, then through the back of the hole you wanted to have the bolt come sticking out of, pull the wire until the bolt came poking out. You might use the same idea with tape or something else other than wire. This'll just get your bolts in place - I don't happen to know which are welded or where or if they come all the way from the top of the frame or just have their heads inside the frame..
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"..it's made in Germany. You know the Germans always make good stuff."


'82 924T, US version, dark green metallic, 5 speed Audi 016G gearbox

[mrgtturbo]

That's just the thing... maybe I just wasn't looking hard enough, (haven't drilled out the old broken bolts yet), But I could not see any place at all to get a bolt to slip in.

My best description would be this;
The frame runs back to front, (ofcousre),
Under the frame there is an addition to the frame, Kinda like a box below the frame. This is where the cross-member bolts on.
So even if there was a hole in the frame somewhere to stick the bolt in, I do not think it could ever find it's way into this addition.
There appears to be no-where in this box to slip a bolt in.

I think I'm going to have to cut into it, or drill into it.

However this has to be done, would I ever get this tight enough without the head locked into place somehow?

Even if I could, what if I need to drop this again oneday. If the nut rusts to the bolt, it would be easier for the bolt head to spin then the nut to come off and it would be a tight fit to cut it off. So I would think it to be for the best to lock the head in place from the inside.

Or... make the new hole just slightly larger then the bolt, (as in a hair larger). So the I could carfully tack weld the the first few threads from the head to the hole, then grind it down flush.

I don't know which way would be best.

Cut a square out of the box, drop in a new bolt, tack weld the head, then weld that opening closed,

Or drill a hole to drop the bolt in, tack it from the bottom, then what to do with the drill hole?

Unless I just didn't notice an exsisting opening because I was too preoccupied with the barely thawed mud that was soaking through my clothes.
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81' 931