Question about 1999 Isuzu Rodeo

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99 Isuzu Rodeo 3.2L 2wd Catalytic Converter instructions

I'm having problems figuring out whether the catalytic converter is welded on or whats the deal.
I'd like instructions on how to remove or replace the catalytic converter on a 1999 Isuzu Rodeo 3.2 L V6 2WD.

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If you just want to remove it i will just be very loud but all you have to do is lift the car and just saw it off with anything from a angle grinder to a reciprocating saw.

Posted on Dec 09, 2012

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You're having the same problem i had with my 99 isuzu rodeo 2 wd 3.2 i paid a muffler guy over $600 to replace those catalytic converters, if you're good at welding you could do the welding yourself after buying the catalytics, basiclly i seen them just cut them off and welded them back on

Posted on Dec 31, 2008

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1 Answer

Where is the cadillic converter on a 1999 Isuzu Rodeo? And how do i get it off?


The catalytic converter is in the exhaust pipe between the engine and the muffler.
It is either clamped or welded to the pipes.

Apr 15, 2013 | 1999 Isuzu Rodeo

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O2 sensors locate


follow your exhaust system starting at the exhaust manifold to the catalytic converter could be 2 or may have four

Nov 10, 2011 | 1998 Isuzu Rodeo

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2000 S80 2.9 Is the connection where the exhaust and catalytic converter meet threaded on both the exhaust and the catalytic converter, or does the bolt just go through both and have a nut on the end? ...


SPRAY PENETRATING OIL LET IT SOAK 30 MINUTES THEN REMOVE BOLTS .THE BOLTS GO THROUGH CATALYTIC NUTS HOLDING ON THE OTHER SIDE.THE OTHER SIDE CATALYTIC CONVERTER HAS CLAMPS HOLDING IN PLACE OR IT COULD BE SPOT WELD IN PLACE THE CATALYTIC CONVERTER MAY OR MAY NOT PULL AWAY FREE I HAD TO GO TO MUFFLER SHOP SOME TIMES THEY HAD TO CUT THE WELD SPOTS SEAL EXHAUST PIPE TO THE CATALYTIC CONVERTER.

Oct 30, 2011 | 2000 Volvo S80

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Egr and multiple misfire problems. now knocking and won't accelerate


Exhaust system blockage such as catalytic converter causes all the symptoms you have described. Clogged converter should be replaced.

Jan 09, 2011 | 2000 Isuzu Rodeo

2 Answers

I have an 1998 Chevy Blazer and need to change the catalytic converter, are the flange bolts welded and can i cut them


Catalytic Converter Removal & Installation 2.2L Engine To Remove:
Catalytic converter 2.2L engine gm-03-22-734.gif

  1. Raise and safely support the vehicle.
  2. Disconnect the heated oxygen sensor (HO2S) electrical connector.
  3. Remove the exhaust manifold pipe flange mounting nuts from the catalytic converter.
  4. Remove the catalytic converter flange mounting nuts from the muffler.
  5. Remove the catalytic converter from the muffler.
  6. Remove the catalytic converter from the rear hanger bracket insulator.
  7. Remove the catalytic converter.
  8. Remove the (HO2S) from the catalytic converter.
To Install:
  1. Install the (HO2S) to the catalytic converter.
  2. Install a new gasket and the catalytic converter to the muffler.
  3. Install catalytic converter to the catalytic converter hanger.
  4. Install the catalytic converter flange mounting nuts to the muffler flange.
    • Tighten to 26 ft lbs (35 Nm).
  5. Install the catalytic converter flange mounting nuts to the exhaust manifold pipe flange.
    • Tighten to 26 ft lbs (35 Nm).
  6. Connect the heated oxygen sensor (HO2S) electrical connector.
  7. Lower the vehicle.
------ Catalytic Converter Removal & Installation 4.3L Engine To Remove:
  1. Raise and safely support the vehicle.
  2. Raise and support the transmission.
  3. Remove the transmission support
  4. Disconnect the left and right pre-converter heated oxygen sensor (HO2S) electrical connector.
  5. Disconnect the post-converter (HO2S) connector. Muffler flange and gasket gm-03-43-731.gif

  6. Remove the catalytic converter flange mounting nuts from the muffler.
  7. Remove the catalytic converter from the muffler.
  8. Remove the exhaust manifold flange mounting nuts from the catalytic converter. Catalytic converter 4.3L engine gm-03-43-735.gif

  9. Remove the catalytic converter from the support bracket insulator.
  10. Remove the catalytic converter and gaskets.
  11. Remove the heated oxygen sensor.
To Install:
  1. Install the heated oxygen sensors as needed.
  2. Install a new gasket and the Install the catalytic converter to the support bracket insulator.
  3. Install the catalytic converter to the exhaust manifold flange. Install the mounting nuts.
    • Tighten to 39 ft lbs (53 Nm).
  4. Using a new flange gasket, install the catalytic converter to the muffler. Install the mounting nuts.
    • Tighten to 30 ft lbs (40 Nm).
  5. Connect the left and right pre-converter heated oxygen sensor (HO2S) electrical connectors.
  6. Connect the post-converter (HO2S) electrical connector.
  7. Install the transmission support.
  8. Lower the transmission.
  9. Lower the vehicle.
prev.gif next.gif ---
It looks like you can cut them and replace them with new bolts and nuts.prev.gif next.gif

Sep 05, 2010 | 1998 Chevrolet Blazer

1 Answer

Getting poor gas mileage since 75,000 miles. Only 18 highway, down from 21-22. What is the 2001 isuzu rodeo catalytic converter mileage replacement schedule?


on average a cat will last between 5 and 10 years get a hydrocarbon readout to see if cat needs replacement.

Aug 25, 2010 | 2001 Isuzu Rodeo

1 Answer

1995Isuzu Rodeo 2.8 Catalytic Converter


Low power ND ROUGH IDLE, BUT, CHECK THE EXHAUST AT TAILPIPE FOR ROTTEN EGG SMELL, NO [RESSURE OR DIFTING EXHAUST, USING A PIECE OF TISSUE. tURN ENGINE OFF AND LISTEN FOR WHEEZING AND exhaut not stopping immediately when is shut ogff. All signs of a restricted converter.

Jun 08, 2009 | 1995 Isuzu Rodeo

2 Answers

WHERE DOES THE KNOCK SENSOR, AND OXYGEN SENSOR GO?


The knock sensor is located on the side of the engine block. And the oxygen sensors are located in the exhaust system. There will be one oxygen sensor (upstream) screwed into either the exhaust manifold or the exhaust pipe before the catalytic converter. The other oxygen sensor (down stream) will be screwed into the exhaust pipe just after the catalytic converter.

May 12, 2009 | 1999 Isuzu Rodeo

1 Answer

When is my 2004 rodeo due for a tune up


P0420 means Catalyst System Efficiency Below Threshold, Bank 1
It means that your catalytic converter, in the exhaust system is not working fine, as its emissions are polluting the air too much.

The catalytic converter is part of the exhaust system. The way to test this part is by doing an emission test. The two OBD codes that you are getting are already a test telling you that the converter must be replaced, unless an emission test done at a garage says the opposite.

This kind of problem will trigger the check engine light, and your car will also waste too much fuel.
You also risk to get in trouble if the car goes through an Air Pollution control, as the car won't pass an emission test in this condition.

To conclude, the Catalyst System must be replaced, the O2 Sensors are fine.

This is a repair that should be done at a garage, however you can find DIY instructions here:How to Replace a Catalytic Converter or you can get more detailed instructions, and step by step illustrated procedure purchasing a repair manual.

Jan 13, 2009 | 2004 Isuzu Rodeo

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