- How To Replace A Catalytic Converter In Under 90 Minutes
- Do You Need To Replace That O2 Sensor Or Your Catalytic Converter? - …
- How To Install Universal Catalytic Converter Without Welding Instructions
- Installing A Universal Catalytic Converter
- What's The Difference Between Welding Catalytic Converter...
- See Full List On Wikihow.com
Another way to avoid a potential catalytic converter theft, experts say, is to have a mechanic weld it to the exhaust system, but that might not totally protect it from a saw. Drivers can also have a qualified service tech install a wire cage around the converter, and bolt and weld it to the frame. This, which Heiser recommends, typically costs. I have a 1989 Chevrolet S10 4x4 that has a strightpipe welded in where the converter used to be. But I need to pass the Atlanta emissions test. I have no experience welding and am trying to aviod paying for it. If I took a hacksaw and removed that section of pipe is there any way that I could install a catlytic converter without welding and pass? Mufflers are often an overlooked area of a vehicle's maintenance. Clogged or damaged mufflers can cause a vehicle to run rough, sound loud, have lower fuel efficiency and often pour smoke out of the tailpipe. Mufflers are not an expensive part to replace, but the cost of labor can be high at a local mechanic shop. But you’ll have to modify it to fit your car. The majority of catalytic converters are pretty much the same tech and form. But just to screw you over, not the same shape.
Big Brother Canada 4 winner Nick Paquette Installing a universal catalytic converter and oxygen sensor on a 2004 Mk4 Jetta! Way that I could install a catlytic converter without welding. Install Catalytic Converter.
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About VW Jetta Catalytic Converter
How To Install Universal Catalytic Converter
Keeping your carbon emissions down is always a good idea, and even if you use your car a lot, there are a few things you can do to minimize the dangerous emissions, as you have just discovered. Even older models of the Jetta are able to fit a VW Jetta catalytic converter, and you can often pick up this handy device very easily thanks to the large inventory on eBay. The VW Jetta catalytic converter works by converting any toxic pollutants in engine emissions by catalyzing what is known as a redox reaction. Simply put, this means that any toxins present are converted to harmless variations. The most common reaction is changing carbon monoxide into carbon dioxide, as well as oxidizing hydrocarbons. Even if you have an older Jetta, you can pick up a 2001 VW Jetta catalytic converter fairly easily, and simply pop to you mechanic to get it fitted. You can even do this yourself if you know your way around your vehicle. In the end, knowing you are causing a little less pollution is worth a little investment.
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Shop the large inventory of motors, parts, accessories, and Volkswagen catalytic converters!Ever wondered how do vehicles minimize the pollution from their emissions?
Well, a device called catalytic converter converts the pollutants into eco-friendly or harmless gases. The major vehicular pollutants are carbon monoxide, hydrocarbons, and heat generated gases (nitrogen oxides).
A catalytic converter uses a catalyst in the form of platinum or palladium which converts these harmful gases into harmless gases.
Over a period, the catalytic converter loses its functionality and needs replacement. Therefore, let us know how to replace and install a catalytic converter for your vehicle.
Ever wondered how do vehicles minimize the pollution from their emissions?
Well, a device called catalytic converter converts the pollutants into eco-friendly or harmless gases. The major vehicular pollutants are carbon monoxide, hydrocarbons, and heat generated gases (nitrogen oxides).
A catalytic converter uses a catalyst in the form of platinum or palladium which converts these harmful gases into harmless gases.
Over a period, the catalytic converter loses its functionality and needs replacement. Therefore, let us know how to replace and install a catalytic converter for your vehicle.
What is a Catalytic Converter?
A catalytic converter is a mechanical device inserted in the emission system of vehicles that use gas. It forms a series of reduction and oxidation (redox reaction) reactions which reduce the hazardous emissions from the vehicles.
French mechanical engineer Eugene Houdry was the pioneer in commercializing the catalytic converter. He studied the effect of smog (smoke + fog) on the environment and was concerned about the impact of vehicular pollution on the environment.
The Catalytic Converter Has The Following Components:
- A substrate or support for a catalyst which is made of ceramic or an alloy (iron-chromium-aluminum). The catalyst support is designed in the form of hexagonal rings to form a honeycomb structure. Honeycomb structure results in the larger surface area.
- Oxides of Aluminum, titanium, and silicon are used as washcoat. These oxides or washcoats dispense the catalytic material over a large surface area.
- Solid source of oxygen which does not decimate to heat. Most of the catalytic converters use an oxide of Cerium, a rare earth metal.
- The final component of the converter is the catalyst. Precious metals such as Platinum, Palladium, Iridium, and Rhodium are commonly used as catalysts.
- Palladium and rhodium are most commonly used as oxidation and reduction catalysts respectively. Platinum is a very active catalyst (for both reduction and oxidation) but is not applicable due to its high cost.
In summary, a honeycomb ceramic structure (alloy comb for high heat emissions) is coated with washcoat, oxygen dispenser, and catalyst which in turn is inserted into the exhaust system of the vehicle.
How Does a Catalytic Converter Work?
The catalytic converter works by two significant reactions:
- Reduction
- Oxidation
How To Replace A Catalytic Converter In Under 90 Minutes
The nitrogenous emissions are reduced (removal of oxygen) to nitrogen and oxygen. Nitric oxide (NO) and Nitrogen dioxide (NO2) are the major nitrogen compounds from fuel combustion which cause acid rains and smog.
On the other hand, an oxidative reaction will add oxygen to carbon monoxide (CO) and turn it into carbon dioxide (CO2). It also turns hydrocarbons into water (H2O) and Carbon dioxide.
In total, three reactions are happening in a catalytic converter, and hence it is called as three-way conversion and so the converter as a three-way catalytic converter.
Catalytic converters used in gasoline vehicles are three-way catalytic converters whereas those used in diesel vehicles are two-way converters.
Conversion of hydrocarbons is omitted in diesel engines because they do not emit much heat as gasoline engines do.
When to Replace a Catalytic Converter?
In general, catalytic converters have a very long lifespan. They can last up to 10 years. But there are sure signs which indicate that you have to replace them. These signs are:
- Clogged exhaust
- Overheating under the body of the vehicle
- Significant reduction in the vehicle’s acceleration
- A foul smell (rotten egg) from the exhaust
Some of these signs can happen due to other reasons such as engine coolant contamination or physical damage to the exhaust vent.
A technical guy will be able to diagnose appropriately and would suggest you to change the converter if needed.
How to Replace and Install Catalytic Converter?
Once you have decided to replace and install the catalytic converter, get all your gear that are necessary for the process. The tools required for this process are:
- Wrenches
- Ratchets
- Ratchet extensions
- Racket joints
- Safety gloves and glasses
- Jack and jack stands to elevate the vehicle above the ground
- Sawzall or any other cutting tool for removing a welded converter
- Penetrating oil to loosen up the bolts and nuts of the converter which usually get rusted
Steps In Removing The Catalytic Converter
The first step is to raise your vehicle so that you can move freely beneath the vehicle. Raise the vehicle to your comfort level and secure it with jack stands.
Do not forget to engage the hand-brake. If you are using a manual vehicle (geared), you can further secure the movement by putting the vehicle in gear.
Locate the Converter
Once the vehicle is raised, locate the catalytic converter. It is usually placed just before the exhaust pipe. Some vehicles may have multiple converters, and you have to locate the converter which you are intended to replace.
Remove the Sensor
After finding the converter, remove the oxygen sensor from it. Some oxygen sensors are mounted over the converter while some are inside it.
Use the appropriate wrench or ratchet to remove the sensor. If there is no oxygen sensor, you can proceed to the next step.
Remove the Converter
Now, it is time to remove the catalytic converter itself. Most converters are bolted to the exhaust. These bolts will usually get rusted over time. To remove the rusted bolts, use a penetrating oil.
Spray/pour the penetrating oil over the bolts and let them soak for few minutes.
The penetrating oil will make it easy to remove the rusted bolts by penetrating between the threads of the bolt (lubricating action). After lubricating the bolts, use assorted wrenches suitable for the bolt size and remove them carefully.
You may require extension joints or shoulders depending upon the location of the converter and the bolts on it.
For welded converters, use the Sawzall or any other similar to cut off the converter from the exhaust manifold.
Steps For Removing A Built-In Catalytic Converter
Certain vehicles have catalytic converters which are installed directly to the engine (cylinder heads). Locate the converter under the hood which is built into the engine.
The built-in catalytic converters are usually bolted (not welded) to the cylinder heads.
Locate the bolts and use penetrating oil if necessary. Use suitable assorted wrenches and remove the catalytic converter.
Steps For Installing The Catalytic Converter
After you have successfully removed the old catalytic converter, just follow the steps of removal in reverse mode.
- It is advised to follow the instruction manual supplied with the converter. Position the gaskets (if present) in an appropriate position. These gaskets connect the converter to the exhaust unit or cylinder head (for built-in converters).
- 2Tighten up the bolts with your hands first to hold the converter in position. Once in place, tighten up the bolts with assorted wrenches. Make sure there is no wobbling or shaking of the unit. A loose fit will affect the engine pick up as well the emission.
- If your catalyst converter is a welded one, re-weld it again appropriately. The pipe ends of both converter and the exhaust must be sealed air-tight. If the pipe length is less, you can weld an additional pipe to fill the void.
- 4Make sure to take all precautions during the welding procedure. Equip yourself with welding helmet with side shield, clothes that are fireproof, respirators, ear protection, gloves, and shoes.
- After installing the converter, replace the oxygen sensor in its previous position and tighten up its bolts as well.
Re-check all the steps you have and make sure they are perfect.
Do You Need To Replace That O2 Sensor Or Your Catalytic Converter? - …
Frequently Asked Questions (FAQs)
How often should I replace the catalytic converter?
A catalytic converter will last long, and it does not require frequent replacements. If you are in doubt, take professional help.
What are the general precautions to be taken while replacing a catalytic converter?
Make sure your vehicle is secured over the jack stands. Always wear protective gear such as gloves, eye, and ear protection while doing the job. If you are unsure about the procedure, seek technical help.
How To Install Universal Catalytic Converter Without Welding Instructions
Is it okay to replace one catalytic converter if the vehicle has multiple converters?
Installing A Universal Catalytic Converter
It is fine to replace one (damaged or non-functional) catalytic converter if your vehicle has multiple units.
What's The Difference Between Welding Catalytic Converter...
Bolt's won't turn, what should I do?
Spray the penetrating oil and leave it for at least five minutes. It will lubricate them, and you will easily remove them.
See Full List On Wikihow.com
Conclusion
The procedure of replacing and installing a catalytic converter varies from vehicle to vehicle. This guide is a general guide, and it is always good to follow the instruction manual.
The overall procedure is the same for all vehicles except for the type and location of the converter and the presence of the oxygen sensor.
If you are unsure about the procedure, get it done by a professional.