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Can i replace my catalytic converter with a piece of pipe

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  • Cars & Trucks Master
  • 5,628 Answers

I heard that works.

Posted on May 08, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

leetamara
  • 702 Answers

SOURCE: replace a catalytic converter for a 1999 dodge stratus

The cat is located just off of the exhaust manifold. You have to remove things to get out of the way. Loosen down pipe to converter and unclamp the converter and it should pull right out. Use a good penetrating oil to help loosen the down pipe bolts.

Posted on Jun 10, 2008

BPALepine
  • 61 Answers

SOURCE: how to replace/remove both catalytic converters

Below are the steps needed to remove the catalytic converters. You may be able to first remove the band clamp from between the converter and the exhaust manifold, then loosen the rest of the system and to get enough clearance to slide the converter towards the front of the vehicle but you will need to first remove the clamp that holds the converter to the rest of the exhaust. Hope this helps
_______________________
Both Catalytic Convertors

First you need to raise the vehicle.

Next, you need to pry the insulators from the support brackets and support the muffler and tailpipe with jackstands.

Then, loosen the the catalytic converter down pipe-to-front resonator clamps and separate the front resonator from the converter down-pipes. Carefully lay the free laying exhaust on the ground.

______________________
Right Catalytic Converter

Then, remove the down-pipe-to-transaxle bracket nut, loosen the clamp and separate the extension pipe from the converter.

Next lower the vehicle and remove the air filter and intake ducts. Disconnect the wiring harness for the O2 sensor and the remove the sensor.

Finally loosen the band clamp at the exhaust manifold and remove the converter from the engine compartment. You may need to replace these clamps after removal because you need to pry it apart and they will leak when you reinstall.

_____________________
Left Catalytic Converter

Now disconnect the wiring harness for the O2 sensor and the remove the sensor.

Next remove the down-pipe-to-transaxle bracket nut

Finally loosen the band clamp at the exhaust manifold and remove the converter from the engine compartment.

Posted on Apr 22, 2009

tepfy
  • 319 Answers

SOURCE: Replacement of catalytic converter 98 Wrangler

you don't have to remove any hangors, but some times its easier. After getting it all off, it goes back on the same way. I prefer welding the pipes shut, but its not neccessary, just make sure the U Clamps you are using are good ones and tightened good.

tepfy

Posted on May 03, 2009

  • 4 Answers

SOURCE: 2005 Ford Focus flex pipe repair

Advance auto and auto zone sell just the flex pipe. You will need to have someone cut the old one out and weld the new one in. costs about $20 for part vs $300 for pipew/catalitic converter attached.

Posted on May 02, 2010

SOURCE: i have a exhaust leak at the flex pipe on my 2004

You never have to pay someone to work on your vehicles, if
you have the knowledge and tools

Why do so many people refer to mechanics as experts?
Your capable of learning what they know

There is always a work around, any issues
Look on NAPA etc for what is avail for your exhaust

Would you waste money for a converter, if only a flex
pipe was in need of replacement,common sense

Posted on Dec 08, 2010

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1 Answer

How di I replace a catalytic convertor


Replacing a catalytic converter ranges from easy to moderate for most DIY mechanics. It is best to take off the entire exhaust system (not the exhaust manifold or headers) for a through inspection when doing this job as a bad catalytic converter is a sign that other parts of the exhaust system may be requiring replacement as well including the muffler(s) and tail pipe(s). Tenneco's Walker Muffler site has detailed schematics for both domestic and foreign cars. TRW Aftermarket may carry them too. (If you own a very expensive car; you plan on keeping for a long time , see about a stainless steel exhaust system... Borla, Remus, Supersprint, Bosal, and ANSA make many for foreign cars.) The other thing(s) to check and remove before taking the exhaust pipes off are the 1 or 2 Oxygen sensors... they will affect your gas mileage significantly. Unplug the wires to them and unscrew the front one and look at it. If it's filthy fouled replace it and the lower (if there are 2) one too... the information from both of them influences the car's ECM/ECU computer to adjust the air/fuel mixture.. (NGK, Beru, and Bosch make oxygen sensors for most cars.) Ensure you buy new exhaust pipe hangers and mounting bolts, if your hangers don't include them. Use Penetrating oil on a COLD exhaust system to help free up the bolts that join the lower part of the exhaust manifold to the first part of the exhaust system. Letting it sit overnight seems to work best. You may need a new gasket there so prepare and buy a new one to replace it. (When replacing, tight is good, too tight is bad as you may break off the stud or bolt.) IMPORTANT!!! Old catalytic converters need to be disposed of as hazardous waste as they contain several gridded wafers of electroplated platinum base metal. (Contact the new catalytic converter seller to see if they will take your old one or contact your city or county disposal office to see how to properly dispose of a used one.) Exhaust pipes typically fail where there are bends as the metal is stretched and thinner there... look for holes and rust. Typically, a ratchet set, rubber mallet and hacksaw may be required to cut a catalytic converter out and then crush the round inner sleeve remaining inside the exhaust pipes ends with a thin flat chisel, pulling it out of the "good" exhaust pipes using locking pliers (a.k.a. Vise Grips tm). (Alternatively, a rubber mallet may be used to strike the catalytic converter to break it loose from the exhaust pipe ends... DO NOT DO THIS if the catalytic converter is in the disintegration stage. Do Not use the mallet on the exhaust pipes as they will bend!) Use crocus cloth or sand paper to smooth the inside of the exhaust pipe connections and ensure by trial off the car that the new catalytic converter goes in the pipe ends easily before mounting the separate pieces on the car... terrible to learn it won't go in, due to carbon soot or rust when you're on your back underneath!

Oct 13, 2014 | 1999 Dodge Grand Caravan

1 Answer

P0420 code in a 2006 Suzuki verona Should I start by changing the downstream 02 sensor in the cat before considering a new cat? I have a leaking front flex pipe would that affect this?


Yes, the leaking flex pipe could cause this code. You need to fix that, clear the code and re test. BUT: This vehicle has had issues with the catalytic converters coming apart and ruining the engine. It can suck catalytic converter pieces into the engine. When the converter is removed, visually inspect for damage.

Sep 04, 2014 | Cars & Trucks

2 Answers

I have a 2002 Nissan Xterra SE with a 3.3 V6 ENGINE. My Xterra has 2 catalytic converters, 1 on each side. However, it has a second piece that also looks like a catalytic converter on each side, if the the...


When replacing your converters you can eleminate the second converter, shops in different states have different rules that may prevent them from losing the 2nd converter but you as an end user can but an aftermarket converter that will fit your car and install it yourself. This will require a sawzall or a good hacksaw to remove the old units so as to leave enough pipe coming down from the exhaust manifolds for the new converter to clamp on. Once the new converters are installed any muffler shop can hook up the rest of your system.

Mar 18, 2014 | Cars & Trucks

1 Answer

Rear Catalytic Converter 2002 Mercury Sable


The catalytic converter is part of the exhaust system, which is the air running out of your engine. The engine does not need to come out to remove it. Look under your car. Your exhaust pipe comes out the back. Follow the pipe back toward the engine, past your muffler (which is a big box) and you will see a foot-long section of the pipe that is larger than the rest (but still round). That is your catalytic converter.
Sometimes it will be covered by a heat shield (a piece of metal that keeps the extreme heat of the cat. away from everything else.

Step one: Jack the car up and place it on jack stands.
Step two: Let the car cool down a little cause the exhaust is extremely hot and will burn you.
Step three: locate the bolts that hold the catalytic converter onto the other exhaust pipe pieces (this will be easier if you have the new one so you can see how long it actually is.)
Step four: Spray the bolts you need to loose with penetrating oil ($3 at the auto parts store). These bolts are going to be VERY hard to get off because they are rusted and they are used to being hot. If you can use a six point socket, that will keep them from stripping. You can also heat the bolt up with a torch (until it glows orange) and this will make it easier to move. Be careful.
Step five: remove the oxygen sensor that is attached to the catalytic converter. This will just look like wires coming from a cylinder that is sticking into it. Unscrew the cylinder (I recommend an oxygen sensor socket as this bolt is quite difficult too, especially when cold. Don't heat the oxygen sensor with a torch or you could damage it)
Step six: Unbolt the catalytic converter (now that you have sprayed the bolts with penetrating oil and let them sit for a few minutes.
Step seven: Place the new catalytic converter in the old one's place, and do everything in reverse.

The best advice I can give you is be safe, and don't give up. automotive repair is about perseverance as much as know-how. When you come across that bolt that just won't budge, keep working at it and try to think of different ideas (like a breaker bar, or drilling it out with a drill). You can do this job!
I've attached a video that I found. It may be helpful.

Jan 13, 2014 | 2002 Mercury Sable

1 Answer

2003 ford focus catalytic converter location


SECTION 309-00: Exhaust System 2003 Focus Workshop Manual DESCRIPTION AND OPERATION Procedure revision date: 01/24/2003 Exhaust System adobe.gif Printable View (214 KB) Vehicles with 2.0L Zetec-E enginee0008758.gif
Item Part Number Description 1 - Bracket 2 - Gasket 3 - Catalytic converter 4 - Bracket 5 - Gasket 6 - Front muffler 7 - Rear muffler 8 - Hanger 9 - Flexible pipe

Vehicles with 2.0L SPI enginee0010349.gif
Item Part Number Description 1 - Gasket 2 - Catalytic converter 3 - Bracket 4 - Gasket 5 - Front muffler 6 - Rear muffler 7 - Hanger 8 - Bracket 9 - Flexible pipe

Vehicles with 2.3L PZEV Enginea0072697.gif
Item Part Number Description 1 5G232 Catalytic converter 2 5K222 Mounting bracket 3 5K282 Head shield 4 9451 Gasket 5 5A262 Insulator 6 5E292 Converter and muffler assembly 7 9448 Gasket 8 5G203 Flex Pipe NOTE: The exhaust systems shown in this section are production systems.
The exhaust systems are of a two-piece construction for production and five-piece construction for service.
Catalytic Converter
The catalytic converter fitted to the Focus range resembles a small muffler. Because of the high temperatures at which the catalytic converter operates, the vehicle body areas around the catalytic converter are protected by heat shields. The catalytic converter controls three emissions; Hydro carbons (HC), carbon monoxide (CO) and oxides of nitrogen (NOx).
Catalyst deactivation due to poisoning
Sulphur (S) in the fuel can cause deactivation of the catalyst.
Lead (Pb) in fuel can cause a severe deactivation at levels above 5 mg per liter of fuel. It is therefore essential that vehicles with catalytic converters always operate on unleaded fuel.
Zinc (Zn) and phosphorus (P) present in some oils, can cause deactivation if oil consumption is high.
The effect of sulphur is felt most if it is released from the catalytic converter as hydrogen sulphide (H2S). This has an unpleasant odor similar to rotten eggs. Changing the fuel manufacturer may help in reducing this phenomena.
To minimize H2S emissions, it is essential that the idle CO level is within specification and that the engine emission system is functioning correctly. For additional information, refer to Section 303-08A or Section 303-08B.
ani_caut.gif CAUTION: If temperatures exceeding 900°C are achieved the catalyst substrates will start to deteriorate. It is important that the cause is defined and rectified if subsequent melts are to be prevented.
Catalyst melts are normally accompanied by loss of power due to excessive back pressure. For additional information, refer to Section 303-07A or Section 303-07B.
High substrate temperatures are caused by the ignition or the fuel systems. For additional information, refer to Section 303-07A or Section 303-07B.
Misfires at high engine speed may result in an almost instantaneous melt.

2010&c18=modelyear&c20=n720709&c35=wsm%2cexhaust%20system%2cs3y%2c309-00%2cdescription%20and%20operation&s=1366x768&c=32&j=1.3&v=y&k=y&bw=995&bh=405&ct=lan&hp=n&[aqe]

Mar 07, 2011 | 2003 Ford Focus

1 Answer

2005 Ford Focus flex pipe repair


Advance auto and auto zone sell just the flex pipe. You will need to have someone cut the old one out and weld the new one in. costs about $20 for part vs $300 for pipew/catalitic converter attached.

May 01, 2010 | 2005 Ford Focus

1 Answer

How to replace/remove both catalytic converters


Below are the steps needed to remove the catalytic converters. You may be able to first remove the band clamp from between the converter and the exhaust manifold, then loosen the rest of the system and to get enough clearance to slide the converter towards the front of the vehicle but you will need to first remove the clamp that holds the converter to the rest of the exhaust. Hope this helps
_______________________
Both Catalytic Convertors

First you need to raise the vehicle.

Next, you need to pry the insulators from the support brackets and support the muffler and tailpipe with jackstands.

Then, loosen the the catalytic converter down pipe-to-front resonator clamps and separate the front resonator from the converter down-pipes. Carefully lay the free laying exhaust on the ground.

______________________
Right Catalytic Converter

Then, remove the down-pipe-to-transaxle bracket nut, loosen the clamp and separate the extension pipe from the converter.

Next lower the vehicle and remove the air filter and intake ducts. Disconnect the wiring harness for the O2 sensor and the remove the sensor.

Finally loosen the band clamp at the exhaust manifold and remove the converter from the engine compartment. You may need to replace these clamps after removal because you need to pry it apart and they will leak when you reinstall.

_____________________
Left Catalytic Converter

Now disconnect the wiring harness for the O2 sensor and the remove the sensor.

Next remove the down-pipe-to-transaxle bracket nut

Finally loosen the band clamp at the exhaust manifold and remove the converter from the engine compartment.

Apr 22, 2009 | 1999 Dodge Intrepid

1 Answer

Replacement of catalytic converter 98 Wrangler


you don't have to remove any hangors, but some times its easier. After getting it all off, it goes back on the same way. I prefer welding the pipes shut, but its not neccessary, just make sure the U Clamps you are using are good ones and tightened good.

tepfy

Apr 18, 2009 | 1999 Jeep Wrangler

1 Answer

1984 chevy s10 exhaust


No, 2 pipes the same size will not go together. You will need to probably buy an adapter. Lets say you have a pipe 2 1/4 outer diameter "od" " that is measuring from the out side edges across the pipe, you will need a pipe with an inside diameter "id" of 2 1/4 . you get that measurement buy measuring the inside of the pipe. so a pipe with a 2 1/4 od will fit a pipe with 2 1/4 id. .. hope that helps

Best thing to do is take a piece of pipe from the truck and take the cat to the auto parts store and get all the adapters that way. That way you know for sure you got all the right parts.

Feb 20, 2009 | 1984 Chevrolet S-10

2 Answers

1998 Hyundai Excel stalls when idling or low gear?


new sensors or reconditioned ones from a scrapyard,best bet is main dealer

Sep 29, 2008 | 1994 Hyundai Excel

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