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on the bmw, the steering shaft has a rubber bit in it, and also it has a exhaust manifold right by it now. So i thought id make another shaft fit. Ive got this one from another bmw, cut it in half, put a steel bar in it, and tacked it together at the right length. Now, two problems, when ive tried it on the car ive found one is wrong, so the end with the crash protection is right. If i get another shaft, and now have the crash protection at both ends, it wont be a problem will it? ALso the shaft is stainless i think, welding that with the mig with hobby weld gas, and also ill put a m6 or m8 bolt threw it will be fine? The holes ill plug weld in it in the pic. I am sure it will be but with it being steering, i thought id ask..  |
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Last Edit: Oct 9, 2021 19:34:16 GMT by bmw2101
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The crumple zone won't affect it if its both ends, welding with hobby had is fine just get stainless wire.
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thanks, i thought so but wanted to make 100% sure as if it fails, the cars going off.. thanks.
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just make sure the ujs are in phase before welding - look at the original shaft to check.
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yes , strange thing is the e36 one is off set, this one was like 45 degs out, i put it back to how it was, its defo the same as i got it i checked pics...
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Hi, If it was phased by the factory, there will be a reason for it so keep it the same.
Colin
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Don't want to be the harbinger of doom here, but I thought welding steering components ( after they've been done at the factory obvs) was a no no?
I'm assuming that's for road use?
Should say I'm happy to be wrong with this!
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That's certainly the case here in New Zealand. I wondered whether UK regulations were different. Maybe not?
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You can buy weld on UJ's for steering columns.
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You can buy weld on UJ's for steering columns. Doesn't mean that they're suitable for road use tho, you can buy slicks |
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Quick Google search brings up;
MOT Testers Manual "e. inappropriate structural modification or repair by welding to a steering linkage component, or signs of excessive heat having been applied.
Need one of our MOT guys to comment
But from what I'm reading it's a fail
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If it’s done right or looks like it’s done right, how is an MoT tester going to know?
Whether it’s a good idea or not is a different question……
Nick
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1967 Triumph Vitesse convertible (old friend)
1996 Audi A6 2.5 TDI Avant (still durability testing)
1972 GT6 Mk3 (Restored after loong rest & getting the hang of being a car again)
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Welded repairs is a very specific term, unusual for the dvsa to be that specific. I'd argue an extension is not a a repair and properly done will be fine.
Edit:
The following is from the appendix of the latest manual.
Welded repairs to highly stressed components are not normally acceptable, other than where the component is made up of sections that are welded together. To pass, the repair should appear to be as strong as the original design.
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I love the 'appears' bit Testers got x-ray eyes now then? As vitesseefi says, whether it's a good idea is another thing But it seems to be another one of those things that nobody cares about, until the nuns and kittens... |
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Built in NDT eyes for the tester, either that or the approved prodding tool is NDT too.
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Oct 10, 2021 12:53:39 GMT
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I had a similar issue when I put the v8 into the E46, I modified steering linkages from a Vauxhall Corsa/Astra. They have the same spline count on the Universal joints as the BMW so I used two of them welded back to back, they do have a splined sliding section if you want to keep a safety crumple section.  |
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1988 Mercedes w124 superturbo diesel 508hp
1996 Mercedes s124 e300 diesel wagon
1990 BMW E30 V8 M60 powered!
1999 BMW E46 323ci project car
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Oct 10, 2021 19:04:19 GMT
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i have a cert 165 in welding and fabrication, part of my job is welding and fabrication for the last 20 years. but ive never welded stainless before hence why i was asking.
that corsa one looks good. I can though use a ally spacer block on the one original one i have to take out the rubber joint, but i havnt a spacer, and i had this shaft.
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Oct 10, 2021 20:26:13 GMT
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I think what Darkspeed is referring to is that you don't weld stainless to mild steel - it's a complete no-no.
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Oct 10, 2021 20:59:58 GMT
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That's a complete fallacy, I've welded plenty of dissimilar metals. It's all about the right choice of filler.
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To be honest for what it would cost I would get it welded by professional, so if it did go wrong? Can you not use a stainless bar? Are you certain its really stainless? If so the grade would matter. I know this bloke it Stratford will weld them, very help full too. www.talbot-express-power-steering-conversions.co.uk |
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It will come in handy even if you never use it
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