Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [welding]

Process for fusing metals.

5
votes
1answer
117 views

Electric welding on modern car, what to disconnect?

Presently I have a BMW E60 530d which failed it's annual inspection due to corrosion around the rear jacking point (which is near the rear subframe mounting point). Typically ahead of welding (MIG or ...
3
votes
2answers
56 views

Removing a welded nut

There's a nut welded on my countershaft and I don't like that. How do I remove it while minimizing the chance of damage to the countershaft's threads, as damage would necessitate: a. welding a nut ...
3
votes
3answers
519 views

Can Exhaust leaks be repaired by welding?

I have some small leaks(few mm) in my manifold and down pipe. As mine is a rare US manufactured car(civic vti 99) and I'm in uk, mechanic said it will be quite difficult to find the part. I aksed ...
0
votes
1answer
107 views

Welding on the battery tray

I need some help with welding the grub screws on my car. I want to welding the grub screws on the battery tray to hold the battery to stop the battery tray to being move about on the road surface. ...
3
votes
2answers
3k views

Welded nut broken inside subframe

So I was replacing my rear upper control arm (passenger side) for my 1995 Acura legend today, and I was trying to take out the bolts that go into the subframe. One of them was hard to turn, so I got a ...
2
votes
2answers
176 views

Why don't all welders use auto-darkening hoods? [closed]

I'm seeing auto-darkening welding helmets selling for barely more than the price of a conventional mask. But I also rarely see professional welders using auto-darkening hoods. Is there a reason for ...
1
vote
0answers
116 views

Exhaust system pipe welding

Hi everyone I have an exhaust for a motorcycle which I have to modify. The trouble is pipe which connects to the end can is of a different diameter to the bit it's supposed to connect to on the ...
2
votes
1answer
147 views

Jetta (Mk4) Body Repair

On a 2002 Jetta TDI, there is dirt collected at the bottom of the fender near the door hinge area. After removing the rotting fender, I find that there is some rust penetrating the structure below it....
4
votes
2answers
10k views

Welding on car - damage to ECU, battery, alternator?

I had to weld nuts to the outside of rounded-out allen type bolts when removing 15-year-old rear brake calipers and carriers this weekend. As I was laying under the car welding (probably running ...
6
votes
2answers
2k views

JB Welding a Stripped Oil Pan

I have a Honda Civic with a stripped aluminum oil pan. Right now the bolt is holding in place alright with a very slow drip, but with the next oil change I will need to make a repair. I would like to ...
6
votes
2answers
472 views

Welding sheetmetal

I'm looking at purchasing a 78 Chevrolet truck which has some modest rust which would most likely need to be taken care of via replacement sheetmetal and welding. I'm a decent welder (a little better ...
8
votes
5answers
8k views

How to fix broken exhaust pipe?

I was driving down the highway and I heard a bang, a beep, and then constant scraping. I pulled to the side of a road under a bridge and looked under my car, to see this: From what I can understand, ...
6
votes
2answers
308 views

Holes in exhaust manifold

On a diesel tractor, the exhaust manifold has developed two holes, possibly from thin castings, and possibly from rust. The manifold is cast iron, and I would like to patch it. A local farmer tried ...
8
votes
1answer
205 views

Damaged tailgate strut attachment point in WRX

I have a 2003 Subaru WRX (in the USA) and the left tailgate strut attachment point is badly damaged. I have asked a few body shops and quotes are typically in the $500+ range to repair the damage by ...
6
votes
2answers
2k views

Integrity of plastic welding for car rear bumper

I have a 2010 Toyota Camry and I was involved in a minor bumper crash last week where the one of the tab that holds the bumper to the car broke off. I went to two body shops and body shop A told me ...
7
votes
1answer
338 views

What kind of amperage and sticks needed to weld a nut to a stripped cap/bolt?

I was trying to get a cam gear cap/bolt thing off a 2000 Volvo S80 2.9l and stripped the torx pattern out of a bolt. I'd guess it's around 1-1/2" in diameter, and this is what it looks like: I have ...
7
votes
2answers
1k views

Is there a way to section a frame without fish plating?

When building a frame is there a way to join the sections together without having to fish plate?
10
votes
4answers
2k views

Does Tig welding a frame add more strength where fish plating isn't required?

Usually when someone builds a custom frame they are typically Mig welded and fish plated but if a frame is Tig welded does that generate better penetration when welding pieces together so you don't ...
13
votes
1answer
3k views

What is fish plating a frame?

When building a frame I've heard people refer to adding a fish plate. What does fish plating a frame do and what exactly is it?
7
votes
1answer
2k views

How to shorten a driveshaft?

How can I shorten a driveshaft? Are there any warnings before proceeding? What tools are required, and optimal? Is there a "required" way to measure correctly? How can I keep the metal square? Is ...