Repairing Guides

how to repair flex pipe on exhaust

by Easton Heidenreich Published 2 years ago Updated 2 years ago
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A repair basically involves covering any holes, rips or other damage using the tail pipe bandage. It is an easy process that shouldn’t really take very long to do. Start by wrapping the flex pipe with a tail pipe bandage.

Part of a video titled Replace FLEX pipe exhaust pipe - DIY - YouTube
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Go ahead and take the cap off. And on the very bottom you've got a little needle. You can screw thatMoreGo ahead and take the cap off. And on the very bottom you've got a little needle. You can screw that in puncture the seal on the top.

Full Answer

Is flex pipe good or bad for exhaust use?

There might have been a crack (causing a leak) that got larger, causing part of your pipe to drag or hang from the vehicle. If you notice any of these signs, you may have a flex pipe exhaust leak. It’s extremely important to replace your flex pipe because a broken one can cause serious harm to personnel in the generator engine room.

How much does it cost to replace a flex pipe?

In this case as well, there would be the option of having an exhaust shop cut out and replace just the flex pipe, which might come to about $150. The labor time to replace the flex pipe is estimated at 1.3 hours. A factory replacement part costs about $231, and a Walker part costs about $79. Similarly, what does a bad flex pipe sound like?

How much does it cost to replace an exhaust pipe?

The average cost for exhaust pipe replacement is between $827 and $850. Labor costs are estimated between $80 and $101 while parts are priced between $747 and $749. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location. Related repairs may also be needed.

How to replace a leaking flex pipe?

  • Unscrew the coupling nut joining the P trap with the pipe draining from the sink. ...
  • Following the manufacturer’s instructions, wrap a length of plumbers tape around the threads of the pipe.
  • Move the P trap back into position with the draining pipe and reconnect the pipes with the coupling nut. ...
  • Run water to check if the seal holds.

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How do I fix my flex pipe without welding?

0:056:47How to Repair the Exhaust Pipes without Welding them / Muffler FixYouTubeStart of suggested clipEnd of suggested clipAnd therefore you have to use the correct size like for example this exhaust diameter is 50MoreAnd therefore you have to use the correct size like for example this exhaust diameter is 50 millimeters therefore you will need some adapters which will of course match with the 50 millimeter.

Can you patch a flex pipe?

0:222:31How To Repair Exhaust/Flex Pipe Fast, Easy, & Cheap - YouTubeYouTubeStart of suggested clipEnd of suggested clipWhen I click on delete can I wrap it with a muffler hell pipe instant repair patch.MoreWhen I click on delete can I wrap it with a muffler hell pipe instant repair patch.

How much does it cost to fix an exhaust flex pipe?

According to thepricer.org, it costs $115-$275 to fix. This price can change if you need to repair a large section of the pipe or if it becomes evident a replacement is necessary for the item. The flex pipe repair cost will vary depending on the repair service you utilize and the vehicle you drive.

How do you fix a flex tube?

8:2914:5330 minute flex pipe exhaust repair - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo you're going to have one welt here one weld here that's going to hold the pipe in and then oneMoreSo you're going to have one welt here one weld here that's going to hold the pipe in and then one more weld on the outside diameter of this pipe. So it's going to give you three welds.

Can flex pipe be welded?

Yeah you can weld it to normal exhaust tube, It usually comes in mild steel.

How can I fix my exhaust without welding?

How to Seal the leakApply an Epoxy Bond. If the hole is small enough, you can use epoxy to seal the leak. ... Wrap it with Exhaust Tape. An exhaust tape is an ideal solution if you are dealing with a larger hole. ... Use an Exhaust Clamp. ... Cover the Hole with an Aluminum Patch.

Does broken flex pipe affect performance?

A damaged flex pipe can produce an exhaust leak that can lead to performance issues, such as decreased fuel efficiency, acceleration, and a decrease in power due to the loss of back pressure.

What does a broken flex pipe sound like?

You'll Hear Loud Hissing Sounds A loud engine exhaust usually is one of the first indicators of a faulty flex pipe. Once a tube breaks, it may cause an exhaust leak which, in turn, contributes to the noisy hissing or tapping sounds emitting from the engine. This sound can become more pronounced during acceleration.

How do you clamp a flex pipe?

3:236:20How to Permanently Attach Exhaust Flex Pipe No Clamps - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo you can use a clamp or get a better weld. We're going to loosen our clamp with a 17 millimeterMoreSo you can use a clamp or get a better weld. We're going to loosen our clamp with a 17 millimeter wrench. Remove this part of our pipe. So we can weld the Flex joint in make it easier to fit this.

How do you weld a flex pipe?

0:346:09How To Weld Exhaust Pipe (Andy's Garage: Episode - 37) - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo let's get started in order to do this here's the equipment that you'll be needing you'll need aMoreSo let's get started in order to do this here's the equipment that you'll be needing you'll need a nice high power drill with a steel wheel with steel bristles on it.

What does a broken flex pipe sound like?

You'll Hear Loud Hissing Sounds A loud engine exhaust usually is one of the first indicators of a faulty flex pipe. Once a tube breaks, it may cause an exhaust leak which, in turn, contributes to the noisy hissing or tapping sounds emitting from the engine. This sound can become more pronounced during acceleration.

Does exhaust flex pipe leak?

A damaged flex pipe can produce an exhaust leak that can lead to performance issues, such as decreased fuel efficiency, acceleration, and a decrease in power due to the loss of back pressure.

How do you weld a flex pipe?

0:346:09How To Weld Exhaust Pipe (Andy's Garage: Episode - 37) - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo let's get started in order to do this here's the equipment that you'll be needing you'll need aMoreSo let's get started in order to do this here's the equipment that you'll be needing you'll need a nice high power drill with a steel wheel with steel bristles on it.

Can you clamp a flex pipe?

Clamp-on exhaust flexi's don't need welding. They can be clamped into place and removed for easy replacement.

Why are flex pipes so unique?

Flex pipes look unique compared to other exhaust pipes because they are covered with braided steel. They are an essential part in a front-wheel or all-wheel drive motor vehicle's exhaust manifold. The flex pipe connects immovable parts of the exhaust system, and without it, these other parts would snap and break.

Where are rips in flex pipe?

If it is the flex pipe, rips are visible in the outer braided mesh of the pipe.

What is exhaust heat shield?

Exhaust heat shield is an aluminum wrapping designed to withstand the high heat exhaust systems produce. Wrap the shield over the bandage and hold it in place. It is fine if the shield is a little longer than the flex pipe.

How long should I let my car idle to fix a heat shield?

To make sure the heat shield and bandage stay in place, start the car and let it idle for 10 minutes, checking on the repair every few minutes. If the repair is successful, reap the benefits by driving a less noisy car.

How long should I let my car run after it's resting on the axle stand?

After the car is resting on axle stands, let the car run for a few minutes to determine the only damage is to the flex pipe. Sometimes there are small cracks in other parts of the exhaust as well. If this is the case, the project entails a lot more work and it might make sense to let a professional mechanic work on it.

Can you replace a broken flex pipe?

There is always the option to replace a broken flex pipe; however repairing one involves just a little know-how and some basic parts.

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