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how do you loosen a stuck exhaust bolt

by Abigail Walker PhD Published 3 years ago Updated 2 years ago
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The Techniques

  • 1. Apply Suitable Force Applying appropriate force to loosen up the intractable exhaust bolts is the first possible way that every mechanic considers. ...
  • 2. Heat It All Heating the rusted exhaust bolts and then cooling to the highest degree expands and contracts it at the same time. ...
  • 3. Drill Out Gun ...
  • 4. Put Cuts On The Bolt ...

Blow torch and water. Heat the bolt red hot and then cool it immediately with water. Then it'll come off with your fingers. The extreme temperature change makes the bolt shrink which makes it super easy the come off.

Full Answer

How to remove rusted exhaust manifold bolts?

The Techniques

  1. Apply Suitable Force. Applying appropriate force to loosen up the intractable exhaust bolts is the first possible way that every mechanic considers.
  2. Heat It All. Heating the rusted exhaust bolts and then cooling to the highest degree expands and contracts it at the same time.
  3. Drill Out Gun. ...
  4. Put Cuts On The Bolt. ...

How to loosen a rusted bolt?

Loosen the bolt with an extended wrench. Insert the end of your box-end wrench into a hollow metal bar. Hook the wrench onto the bolt and grasp the nut with a pair of large pliers. Hold the nut in position and pull on the end of the wrench. Give 4-5 sharp tugs and see if the bolt moves.

How to remove a stripped or stuck bolt?

Method 1 Method 1 of 4: Loosening a Bolt with a Wrench or Pliers

  1. Spray penetrating oil under the bolt head and around the nut. [1] ... Handyman Expert Interview. ...
  2. Slip a hollow piece of metal over the handle of a box-end wrench. Use a piece of metal that’s at least 2 feet (0.61 m) long.
  3. Try to unscrew the stuck bolt with the extended wrench. ...
  4. Use a pair of vice-grip pliers if the bolt or nut are stripped. ...

How do you remove bolts?

  • First, try to tighten the bolt further with a wrench to confirm if it was tightened appropriately at first.
  • If the hole made for the bolt is not sufficiently deep, the bolt will not tighten. You may need to drill a deeper hole for the bolt. ...
  • Jiggle the bolt around. While doing this, you may find an angle that allows the bolt to get fastened.

What is the first task of exhaust?

Can you buy hydraulic tools to snap bolts?

Can you round out a bolt before it comes out?

Can you drill a manifold stud?

Do you have to order new bolts for exhaust?

See 2 more

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How do I free stuck exhaust bolts?

0:291:40How to Loosen Stuck Exhaust Manifold Bolts (Quick Tip) - YouTubeYouTubeStart of suggested clipEnd of suggested clipStart the vehicle. Let it come up to operating temperature shut. It off and then go after yourMoreStart the vehicle. Let it come up to operating temperature shut. It off and then go after your exhaust manifold bolts that amount of heat. Might.

How do you remove seized exhaust studs?

3:177:32How to Remove a Stuck Stud (WORKS EVERY TIME) - YouTubeYouTubeStart of suggested clipEnd of suggested clipLoosen this and then hopefully the entire thing should come out and start spinning as it is rightMoreLoosen this and then hopefully the entire thing should come out and start spinning as it is right now if you can get a little bit of penetrating fluid on the threads.

How do you remove a stuck exhaust?

1:388:22Removing Stuck Exhaust System Components Quick and EasyYouTubeStart of suggested clipEnd of suggested clipOff. So this one's definitely a 14 oh. But this three-eighths cannot handle. It. So we're gonna tryMoreOff. So this one's definitely a 14 oh. But this three-eighths cannot handle. It. So we're gonna try this 14 that's half-inch bid torque. See what it can do make sure you got it on there all the way.

How do I remove rusted exhaust flange bolts?

Blow torch and water. Heat the bolt red hot and then cool it immediately with water. Then it'll come off with your fingers. The extreme temperature change makes the bolt shrink which makes it super easy the come off.

How do you remove a rusted bolt without heat?

You can try the following: Use a lubricant to loosen the bolt and then remove it with a wrench. Use a clamp to cut the fastener's head and help remove it from its position. Use an impact hammer or wrench to forcefully remove the bolt.

How do you remove a seized bolt from aluminum?

0:476:32Horribly Stuck Bolt In Aluminum. - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd hit around this area with the flat of an air hammer to try and break some of that free a littleMoreAnd hit around this area with the flat of an air hammer to try and break some of that free a little bit. Okay so I wrapped it a couple times with a your hammer.

What size are exhaust bolts?

The usual options of exhaust flanges are the 3 bolt or 2 bolt types. Usually, m10 with the 2 bolt option is helpful, and an m8 bolt for the 3 bolt. The recommended grade of bolts is 8.8 tensile or higher so that you can tighten them without stretching or breaking the bolts.

Can you drill out a exhaust stud?

0:326:29Broke a Stud in Car Exhaust Manifold? How to Remove it by ...YouTubeStart of suggested clipEnd of suggested clipYou could potentially drill into the engine. Essentially if you were to drill into the engine.MoreYou could potentially drill into the engine. Essentially if you were to drill into the engine.

How do you remove old rusted exhaust manifold bolts?

0:001:42tips on REMOVING a “rusty” exhaust manifold - YouTubeYouTubeStart of suggested clipEnd of suggested clipRemoving an exhaust manifold can be a real challenge i'll go through some of the tips on how to doMoreRemoving an exhaust manifold can be a real challenge i'll go through some of the tips on how to do it a lot of these exhaust manifolds come off the same way this is a 90 honda civic now you're going

How do you remove a threaded stud?

0:542:19How to Remove Studs - 4 Different Ways - YouTubeYouTubeStart of suggested clipEnd of suggested clipTurn clockwise to tighten and anti-clockwise to loosen the stud stud extractor sockets are speciallyMoreTurn clockwise to tighten and anti-clockwise to loosen the stud stud extractor sockets are specially designed to grip studs for easy removal. Select a socket that matches the size of your stud.

How do you use a stud extractor tool?

The extractor nut has left-hand threads so turning the nut to the right (clockwise) opens up the jaws, and turning the nut to the left (counter-clockwise) closes the jaws. Then slide the extractor over the broken stud, and then tighten the nut by hand, and then using the 2 adjustable wrenches tighten the nut securely.

exhaust manifold bolts rusted-how to remove? - iboats.com

Re: exhaust manifold bolts rusted-how to remove? wow
the choices here are many.
use a dremel tool and reshape the flats. use an air chiesel and cut off the offending lumps of rust. use an oxy/acetylyne rig and burn them off(my personnal favorite) or a sawzall (reciprocating saw) with a good carbide blade and cut the manifold runner near the head. ya only have to cut the runner ...

Best way to remove 50+ year old exhaust manifold bolts...

Any suggestions? I’m thinking to first hit them with PB Blaster, let it sit, then warm them up with a torch before trying to remove them. Any other suggestions? Anyone who has had to dig out broken bolts can sympathize with me, I’m sure.

What is the first task of exhaust?

First task is to let the exhaust completely cool. It's possible that the parts are made of different types of metal which expand and contract at different rates.

Can you buy hydraulic tools to snap bolts?

Alternatively, you can buy hydraulic tools but they will probably snap the bolt leaving you with one more problem to solve.

Can you round out a bolt before it comes out?

Sometimes there is just too much material rusted off of the bolt for either of the above to work. Or one of the above techniques may round out the bolt before it comes out. In this case, the bolt needs to be destroyed so you can move on with life. Some options are:

Can you drill a manifold stud?

I have at times removed studs on car manifolds and been lucky replaced the stud and used a new copper nut, more troublesome are motorcycle exhaust manifolds on occasions the studs just break, the only option is drilling and carefully removing the shell, but if you use this method you must be care ful not to over drill on some engines like BMW the oil ways run behind the stud, always measure the distance and mark the depth of the drill with masking tape to evert engine tragedy.

Do you have to order new bolts for exhaust?

My general rule for exhaust bolts/nuts is to order new ones with the part you are replacing, knowing full well that there is a good chance you'll destroy the ones you are removing. Better to be prepared ahead of time than to be stuck waiting for new parts from another country after you've disassembled everything. Personally, I have a rule of ordering every bolt and nut that is attached to the exhaust member I'll be replacing. Even if there isn't much rust, I never know when a bolt will snap.

How to unscrew a stuck bolt?

Try to unscrew the stuck bolt with the extended wrench. Hook the end of your box-end wrench around the head of the stuck bolt, and hold the wrench at the very end of the extender bar. With your other hand, grip the nut with a large pair of pliers. Pull sharply on the end of the wrench to try to loosen the stuck bolt. Ideally, the penetrating spray will have weakened the bolt’s resistance so that it loosens.

How to remove a bolt that is stuck in place?

In most cases, you can remove a bolt by unscrewing the nut from the bolt with a wrench. If the bolt is rusted or otherwise stuck in place, however, you’ll need to find another way to remove the bolt. If the hexagonal surfaces of bolt and nut haven’t been stripped, try heating the bolt with a propane torch to loosen it.

How to remove a stuck bolt from a screw extractor?

If the screw extractor doesn’t remove the stuck bolt itself, pull the bolt out with a wrench. Set the end of a box wrench over the head of a drilled-out bolt and turn it counterclockwise to loosen the bolt.

How to loosen a bolt with a box end?

Loosen the bolt with an extended wrench. Insert the end of your box-end wrench into a hollow metal bar. Hook the wrench onto the bolt and grasp the nut with a pair of large pliers. Hold the nut in position and pull on the end of the wrench. Give 4-5 sharp tugs and see if the bolt moves.

What to use to loosen a bolt?

Use a pair of vice-grip pliers if the bolt or nut are stripped. If the sharp hexagonal sides of the stuck bolt have been stripped and rounded, a box-end wrench will slip off when you try to loosen the bolt. Vice-grip pliers have teeth on the inside of their rounded jaws and can be fastened tightly around the flat surfaces of a stripped bolt.

How to remove a rusted bolt?

Strike the head of the bolt 6-12 times with a hammer. Once the rust-penetrating thread loosener has loosened up the rusted bolt, hit it with a hammer to jar the bolt out of the position its stuck in. Blows from a hammer can also create micro-fractures throughout the bolt, making it easier to remove.

How to remove a bolt that is not loose?

I suggest first spraying the bolt with WD-40 to see if that loosens it up. If not, you may need to use a tool, like a cold chisel, to knock off the head of the bolt so you can remove it.

What is the first task of exhaust?from mechanics.stackexchange.com

First task is to let the exhaust completely cool. It's possible that the parts are made of different types of metal which expand and contract at different rates.

Can you buy hydraulic tools to snap bolts?from mechanics.stackexchange.com

Alternatively, you can buy hydraulic tools but they will probably snap the bolt leaving you with one more problem to solve.

Can you round out a bolt before it comes out?from mechanics.stackexchange.com

Sometimes there is just too much material rusted off of the bolt for either of the above to work. Or one of the above techniques may round out the bolt before it comes out. In this case, the bolt needs to be destroyed so you can move on with life. Some options are:

Can you drill a manifold stud?from mechanics.stackexchange.com

I have at times removed studs on car manifolds and been lucky replaced the stud and used a new copper nut, more troublesome are motorcycle exhaust manifolds on occasions the studs just break, the only option is drilling and carefully removing the shell, but if you use this method you must be care ful not to over drill on some engines like BMW the oil ways run behind the stud, always measure the distance and mark the depth of the drill with masking tape to evert engine tragedy.

Do you have to order new bolts for exhaust?from mechanics.stackexchange.com

My general rule for exhaust bolts/nuts is to order new ones with the part you are replacing, knowing full well that there is a good chance you'll destroy the ones you are removing. Better to be prepared ahead of time than to be stuck waiting for new parts from another country after you've disassembled everything. Personally, I have a rule of ordering every bolt and nut that is attached to the exhaust member I'll be replacing. Even if there isn't much rust, I never know when a bolt will snap.

How to get rid of rusted exhaust bolts?

Some of the techniques to divest yourself of the rusted exhaust bolts are: 1. Apply Suitable Force. Applying appropriate force to loosen up the intractable exhaust bolts is the first possible way that every mechanic considers. Hitting with suitable force on the head of the bolt might help in some ways.

Why do exhaust bolts get stuck?

This usually happens in the automobiles because of the corrosion and aging of the nuts and bolts. The rusted exhaust bolt never moves or bidges easily and one might have to apply certain methods to do so. However, breaking or drilling the bolt is the only option ...

Can you hammer out rusted bolts?

This is because one has to get rid of this without doing any damage to the car parts. You can’t just start hammering or drilling holes around the car body to pull out the rusted bolts. However, working with a strategy may assist in completing the project in no time.

How to remove a stuck bolt?

To remove a really stuck bolt, get some good penetrant— nothing works like PB Blaster — and a propane torch, available at any hardware or automotive stores. You can also use a butane torch, but it's a little cheaper and easier to go with the propane.

How to get a stuck bolt out of a bolt?

Using a flame to loosen the bolt. Now heat the bolt and nut. Put the flame directly over the stuck part, or the part you can get to safely. Heat it for 30 seconds or so and it should free up easily. If it doesn't, repeat the process to see if that helps. Repeated heating and cooling sometimes does the trick.

How to ignite a gas torch?

Now light the torch—and to go slowly and pay extra attention to what you're doing. Safety should always be the first priority. Hold the torch firmly, with the nozzle pointed away from you and away from anything that could ignite. Turn the adjustment nozzle counterclockwise until you hear the hiss of gas coming out of the torch. If you bought the self-igniting assembly, just click the starter button with your trigger finger and it will light. If you didn't buy a self-igniter, use your hand spark to ignite the gas off by holding the sparker directly in front of the torch.

How to adjust propane torch?

A nice, clean propane flame. Once your torch is lit, adjust the flame using the adjustment dial on the torch unit. Turn it counterclockwise for a bigger flame, clockwise for smaller. You don't need a huge flame for the job, so adjust it until you have a small, clean flame.

How to get rid of wetness on a torch?

Use a rag to soak up the excess wetness. Before you fire up the torch, soak up the excess penetrant with a rag. It's not super flammable, but it will flame up if there's a lot of unevaporated liquid present. Don't worry about getting every damp-looking area, just sop up the majority of it to be safe.

What happens if you don't close the propane valve?

If you neglect to close the valve, you'll start to lose gas as soon as you screw it on. Otherwise, don't worry about leaking propane. The tank will remain sealed until the nozzle is all the way on. At most, you may catch a whiff of gas in the air.

Can you remove a bolt that won't budge?

Some bolts just won't budge. They are stuck, seized, stubborn, rusted, corroded, and otherwise impossible to remove. There are a number of oils and penetrants that can really help, and a good soaking should always be your first line of attack.

What is the first task of exhaust?

First task is to let the exhaust completely cool. It's possible that the parts are made of different types of metal which expand and contract at different rates.

Can you buy hydraulic tools to snap bolts?

Alternatively, you can buy hydraulic tools but they will probably snap the bolt leaving you with one more problem to solve.

Can you round out a bolt before it comes out?

Sometimes there is just too much material rusted off of the bolt for either of the above to work. Or one of the above techniques may round out the bolt before it comes out. In this case, the bolt needs to be destroyed so you can move on with life. Some options are:

Can you drill a manifold stud?

I have at times removed studs on car manifolds and been lucky replaced the stud and used a new copper nut, more troublesome are motorcycle exhaust manifolds on occasions the studs just break, the only option is drilling and carefully removing the shell, but if you use this method you must be care ful not to over drill on some engines like BMW the oil ways run behind the stud, always measure the distance and mark the depth of the drill with masking tape to evert engine tragedy.

Do you have to order new bolts for exhaust?

My general rule for exhaust bolts/nuts is to order new ones with the part you are replacing, knowing full well that there is a good chance you'll destroy the ones you are removing. Better to be prepared ahead of time than to be stuck waiting for new parts from another country after you've disassembled everything. Personally, I have a rule of ordering every bolt and nut that is attached to the exhaust member I'll be replacing. Even if there isn't much rust, I never know when a bolt will snap.

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1.Videos of How Do You Loosen a Stuck Exhaust Bolt

Url:/videos/search?q=how+do+you+loosen+a+stuck+exhaust+bolt&qpvt=how+do+you+loosen+a+stuck+exhaust+bolt&FORM=VDRE

15 hours ago Web · Learn how to remove stuck exhaust manifold bolts or studs. Wades shows you a little-known trick to help loosen up some of those old, seized and corroded exha...

2.How to Loosen Stuck Exhaust Manifold Bolts (Quick Tip) 🔧

Url:https://www.youtube.com/watch?v=9YIiipZSQuc

14 hours ago WebUse an impact wrench. Sometimes the vibration and hammering action works better to "knock" a bolt loose, compared to wrench/breaker bar. In my experience, this is the first …

3.What is the best way to remove a stuck/rusted exhaust …

Url:https://mechanics.stackexchange.com/questions/330/what-is-the-best-way-to-remove-a-stuck-rusted-exhaust-bolt

30 hours ago Web · An older mechanic taught me this trick to removing rusty exhaust manifold bolts after watching me snap off a couple. Man I wishI wouldve known this sooner!Bu...

4.4 Simple Ways to Remove a Stuck Bolt - wikiHow

Url:https://www.wikihow.com/Remove-a-Stuck-Bolt

22 hours ago Web · Beat a slightly smaller 12 pt socket on it. Craftsman are good for this. Use it to take it off. Use vise grips. Turbo aka fluted, spiral, socket and if impact style beat on if not push on ratchet or socket and use box end to try and remove.

5.Old Mechanic Taught Me This Trick To Removing Rusty …

Url:https://www.youtube.com/watch?v=9PKNCVXvZ6w

14 hours ago Web · Slip a wrench onto the adapter flats and crank away while you apply air hammer blows. The dual forces break the bolt loose. 17 / 20 Family Handyman Mangled Slot, Solution 1 If the slot of a roundhead screw or bolt is chewed up beyond hope of gripping it with a screwdriver, file two flat edges on it. Then turn the head with an …

6.How To Remove Rusted Exhaust Bolts From Your Car?

Url:https://carfromjapan.com/article/car-maintenance/how-to-remove-rusted-exhaust-bolts/

15 hours ago Web · Hitting with suitable force on the head of the bolt might help in some ways. Or, one can use proper equipment like chisel or wrench to loosen the bolt by hitting the …

7.How to Use Heat to Remove a Stuck Bolt - LiveAbout

Url:https://www.liveabout.com/using-heat-to-remove-a-stuck-bolt-281713

31 hours ago Web · Using a flame to loosen the bolt. Matt Wright. Now heat the bolt and nut. Put the flame directly over the stuck part, or the part you can get to safely. Heat it for 30 …

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