Questions tagged [stripped-thread]

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2 answers
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Stripped threads on air relief plug

When replacing my car's coolant I overtightened one of the air relief plugs and stripped the internal threads. It's located on the inlet manifold. The torque setting for the plugs is only 61-69 in-lb ...
1 vote
2 answers
351 views

Detailed instructions on how to fashion a straight flute tap from an old bolt using only a file and hacksaw

I have stripped the threading on this bolt and would like to clean and re-tap the bolt hole. I have read that I can use a file or hacksaw to cut some grooves into it like so. I assume I must first ...
1 vote
1 answer
54 views

Drive Shaft Threads Shredded Possible To Still Use It?

Just went ahead to change my transverse link/control arm, the drive shaft was stuck assuming from rust and I couldn't get it free, hammered it with the nut on and nothing, then with the nut off and it ...
2 votes
5 answers
2k views

Spark plug repair kit tap will not grip existing threads in spark plug hole

I have a 2005 Hyundai Elantra that recently blew out a spark plug. My understanding is that I need to re-tap the spark plug hole and insert a sleeve. I purchased the Lisle 65200 plug hole repair kit ...
1 vote
1 answer
63 views

Stripped Threads in Hyrdo Boost

From the pictures above, I have a hydroboost that I need to attach a hose/line to. The problem is that when trying to screw in the bolt with just my fingers, I get a little bit of resistance, and the ...
0 votes
0 answers
38 views

1977 Honda CB750K stripped threads

My overall question is that I recently replaced the oil pan gasket and learned that the threads where the bolts screw into are stripped. I was wondering if I could use a helicoil repair kit or if ...
1 vote
1 answer
261 views

Unable to unscrew stripped bolt in a tight space with no access from behind

I mistakenly stripped the threads in either the bolt hole or the bolt itself and now it just spins freely. And I need to get it out so I can repair the threads. It is the bolt of the rear bumper and I ...
0 votes
1 answer
282 views

LiFePO4 / screw thread came out / how to fix?

The minus terminal of one of my LiFePO4 batteries lost its screw thread today. I removed the screw and then i screwed it back in and found that it turns forever. Here you can see 4 of them. It seems ...
0 votes
2 answers
248 views

Poulan Pro leaf blower engine not sealed, and threads are broken, how can i fix this

I've been trying to get a Poulan Pro leaf blower engine to run. I had noticed that the seal for the engine isn't tight and I saw that the threads were stripped. I know compression is needed for ...
1 vote
1 answer
217 views

Cut smaller threads on stud?

The on floor panel of my car, I have studs that stick up and are M8x1.25. On one of these studs the threads are mangled enough where my M8x1.25 die is essentially cutting the remaining threads. Is it ...
0 votes
1 answer
152 views

Courses of action after having started to strip the threading on a bolt

I over-tightened the following bolt on my metering assembly. The bolt now looks like this — you'll notice that it isn't too damaged but I've certainly done some damage. I am tempted to simply order ...
6 votes
1 answer
39k views

What is cross threading/a cross threaded wheel nut\stud?

What exactly is cross threading, is it a state the threads are in or is it something that people do which causes threads to become in a certain state or both? Please explain what cross threading is. ...
1 vote
1 answer
184 views

Second hand camshaft from another bike - is it safe?

I slightly demaged one of the two threads used on the inlet camshaft for mounting the sprocket. To fix this problem I have purchased a second hand camshaft together with its caps (same bike model, ...
0 votes
0 answers
2k views

Helicoil to long for hole

I've stripped a M5 thread in a 3mm thick motorcycle swingarm. The thread inserts I have are about 5mm long and when inserted into some 3mm scrap they overhang the other side by about 2.8mm. Since the ...
1 vote
1 answer
1k views

Stripped threads on top mount for shock, is it still usable?

I have an otherwise brand new shock (KYB KG5551 Gas-a-Just Monotube Shock) that I mistakenly torque gunned the old (OEM) nut onto. This stripped all the threads and it no longer accepts the correct ...
5 votes
2 answers
3k views

Is it possible to know if a screw hole needs to be re-threaded?

Last weekend I was re-assembling my engine, and three holes stripped, is there any way to see if a screw hole needs to be re-threaded before it strips?
2 votes
1 answer
398 views

Is my oil pan drain stripped?

2008 BMW 328i, aluminum oil pan. Changed the oil myself for the first time on this car. When I put everything back together the drain plug is dripping slowly. I go back under the next day to tighten ...
4 votes
1 answer
4k views

Stripped header bolt hole. Can I repair w/o taking out the engine?

So I installed new headers onto my 95 mustang GT with a friend who "knew what he was doing" until he stripped one of my manifold bolt holes. I know I can either insert new threads or tap and dye it, ...
6 votes
2 answers
4k 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 ...
1 vote
1 answer
311 views

Recovery from stripped starter threads in engine block

I have a 2004 Honda CRV and slightly stripped the the aluminum block threads as I tightened the new starter down for the top bolt. Now when I try to tighten it, it won't "grab" on to the threads and ...
1 vote
2 answers
163 views

Fix-A-Thred... Helicoils?

So I bought the m10x1.5 fix a thred kit from advance auto parts today to fix a stripped hole in the subframe that my upper control arm goes into. These bolts are crucial as they’re the only things ...
5 votes
8 answers
3k views

Helicoil installed from other side?

I have an aluminium clamp on a bike where the thread has stripped. The steel bolt is okay, but the clamp has very little movement - I can't get a helicoil or drill through one side of the clamp ...
2 votes
2 answers
13k views

What are the options for repairing threaded bolt hole without drilling

I have a bolt hole in a head that's stripped. The hole takes a M7 bolt, should be tightened to 17NM, and is used to fasten a water pipe onto the head. The bolt just spins when I try to tighten to ...
2 votes
2 answers
1k views

Stripped Thread: Motorcycle Brake Lever Master Cylinder

I was busy re-positioning the brake lever (left-to-right on the handlebar) by loosening the bolts that clamp the brake lever master cylinder onto the handlebar. When I tightened the bolts I noticed ...
8 votes
1 answer
1k views

What options do I have if I've stripped the threads for my Helicoil repair?

A while back I had repaired a stripped thread on my aluminium timing chain cover with a M6x1.0 Helicoil. This involved: drilling out the damaged thread tapping a slightly larger M8x1.0 internal ...
1 vote
2 answers
380 views

Oil pan worn/ mazda6

Hey guys I went to the dealership and they told me that my oil pan threads are worn. My question: Is this major thing? And is it safe to drive? Because I told them I'm gonna travel to Florida by my ...
10 votes
1 answer
1k views

Thread on bolt - what happened?

This is a follow-up question to Seized nut & bolt - difficult to access What happened - or what did I do wrong - for this bolt to lose its thread in this way? Is it simply doing it up too ...
4 votes
1 answer
1k views

How to check if bad spark plug threads are causing compression loss

How do you check if your spark plug threads are bad? I would like to know the most non-invasive method of checking this and also the most cheapest way to check this.
3 votes
1 answer
8k views

Can metal putty be used to repair stripped threads in aluminum castings?

I've been burnt by stripped threads on a couple of occasions now, so knowing that metal putty could be used to re-tap a brand new thread in aluminum would be reassuring. I recently came across Liqui ...