We always used 5% silver solder . You can fill gaps with it if you have the skill to do it. It would be more than strong enough to hold a muffler together. Brass brazing rod is harder to work with if you aren’t experienced with a torch.
Can you use solder on an exhaust pipe?
Silver solder is good for water pipes and A/C, but it is too brittle to use on anything that will move.
Does solder work on exhaust?
Exhaust pipe is usually pretty nasty , unless it was brand new it would be very hard to solder. It also is a really good heat sink, it would take a propane torch
Can you solder a hole in a muffler?
“If you have a hole or a crack in your muffler, you definitely need to replace it. Even a small hole cannot be welded because the metal on a muffler is too thin,” Hrovat says. “If it is already corroded or rusted, it can’t be welded.”
Will brazing work on exhaust?
Brazing would rule out aluminised or galvanised steel, SS can be brazed just fine . But, why not buy a MIG? You only need a small one to weld thin wass exhaust tubing, and that small, light duty welder will be well suited to sheet metal repairs.
What is silver solder?
Silver soldering, also known as ‘hard’ soldering or silver brazing, is a process in which two or more parts are joined by melting and flowing filler metal into the joint . The melting point of the filler metal is above 420°C and flows into the joint by capillary action.
Can I use JB Weld on my muffler?
JB Weld ExtremeHeat is perfect for making repairs on all manner of high-heat parts, including exhaust manifolds, mufflers, catalytic converters, exhaust pipes, engine blocks, fireplaces, smokers/fireboxes, and many more crack-prone items.
Can a hole in your muffler cause check engine light?
For the same reason, the check engine light can come on if your muffler has a hole in it . The O2 sensor is in the exhaust and fresh air coming into the exhaust will give a falsely increased oxygen reading. This will trigger a warning light on the dashboard.
How much does it cost to fix a hole in the exhaust?
It just depends on how difficult it is to get to the exhaust manifold. Expect to pay anywhere from $125-$300 for labor costs . The parts aren’t going to cost much either. While different vehicles require parts of differing prices, the range is somewhere between $15 and $50.
Can you braze steel with a propane torch?
Brazing permanently joins two metals using a torch. You can use a propane torch to braze most metals you want to join . Propane torches are widely available in your local hardware stores, plumbing supply houses as well as at metalsmith and jewelry supply companies.
Can you braze with a coat hanger?
Just silver solder it together . If you are thinking of using coat hanger as a brazing medium, I’d think again. I’ve seen it used in “emergencies” but it is not predicatable or consistant. Solder strong enough to join coat hangers can be found in the plumbing AISLE of Lowes or Home Depot.
Can you braze with MAPP gas?
Genuine MAPP gas can be used in combination with oxygen for heating, soldering, brazing and even welding because of its high flame temperature of 2925 °C (5300 °F) in oxygen.
Is it better to weld or clamp exhaust?
Welding provides you with a stronger bond than a clamp can and will last the pipe’s lifetime. ... Another problem is that it is not hard to weld before you attach it, but if you have to repair a broken exhaust, it’s much more difficult.
Can I put duct tape on my exhaust?
Duct tape is not a safe option for repairing damaged exhaust mufflers or exhaust pipes. Duct tape is made of cotton mesh, covered with a type of plastic called polyethelyne, with a rubber-based adhesive underneath. When it gets hot, it melts and it is flammable.
How much will it cost to weld my exhaust?
Typical costs: Minor muffler repairs (such as welding a loose but still functioning muffler back in place or fixing broken clamps) can cost $30-$500 or more, depending on the specific work done and local labor rates. CostHelper Readers report paying $40-$300 for muffler repairs, at an average cost of $138 .
