Need help - stripped mtec spring
 

I did something bad. I feel like I did something VERY bad. The passenger side of the transmission has a 27mm bolt that unscrews to put that mtec shifter spring in. I stripped the threads that screws into. On the transmission. HELPPPP

Pictures:

http://i1112.photobucket.com/albums/...220_193126.jpg
http://i1112.photobucket.com/albums/...g?t=1392943200
http://i1112.photobucket.com/albums/...220_193138.jpg

It doesn't look that bad... Get someone who isn't hamfisted to chase out the threads and then remember this every time you screw something in for the rest of your life.

Mine was the spark plug on my first dirt bike, I was 6.

- AdrianG

Get a set of jewelers files, a full bag of patience, and comfortable. Leave the spring out for now. Carefully clean up the bad thread, ensuring EVERY piece of debris is pulled out of the transmission. Use the files to smooth the valley of the thread until the bolt can screw in properly. For an experience wrencher this would only take about 15 minutes. As I'm sure you'll be much slower learning, expect it to take a while.

Not a bad idea, until you realize that person will be dumping debris into the transmission.

How deep does the bolt go? Is it just the 1st thread or two that are messed up?
If not, http://www.helicoil.com.sg/HeliCoil-...-Inserts.shtml

Yeah, the file idea is a better way to go. Maybe put a magnet nearby to try and avoid getting filings in the trans. Change the fluid afterwards as well, the drain plug has a magnet on it too which should help

- AdrianG

Using some thick grease on the thread chaser/tap and going slowly will keep that under control.

Don't feel too bad about it, everyone learns that lesson. For me it was a dirtbike as well. Luckily kx80 heads are cheap enough I just saved up lawn mowing money and bought another lol. Just be more careful next time, and don't try to force anything.

I gotta get me one of those aluminum magnets! (J/K)

Mine was a $30K fuel pump for a gas turbine...:barf:

Maybe. I'd still rather use a small file.

It is just the first few threads. The bolt is perfectly fine. cleaned out any shavings on the hole and bolt and tried to thread back in, it catches for one spin then just drops out again.

I might try the thread chaser. Have to find one big enough though. The opening is at an awkward angle too and I don't want to make it worse tomorrow!

Yes, you are a very, very BAD boy!

Just goop it up with sealant, center the plug ..... slam it in with a BFH (Big F****** Hammer)...... tighten it down and sell the car.

Seriously, I'd "borrow" a tap and chase the threads.


humfrz

Ouch!


I've never tried files...I do have some small ones, but never really considered it. It would sure be a lot less money than a tap that large.