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Dan
Dan, ASE Certified Technician
Category: Cadillac
Satisfied Customers: 1555
Experience:  Auto Technician
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I have s 2006 Cadillac STS with the v6. I need to replace

Customer Question

I have s 2006 Cadillac STS with the v6. I need to replace the passenger catalytic converter. It looks pretty tight in there. What do I need to do to remove it?
Submitted: 5 months ago.
Category: Cadillac
Expert:  ggrote1 replied 5 months ago.

AWD ?

Customer: replied 5 months ago.
Customer: replied 5 months ago.
It's all wheel drive
Expert:  ggrote1 replied 5 months ago.

this is how to change that passenger side cat

1. remove the exhaust manifold heat sheild

  1. Remove the catalytic converter nuts.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  3. If equipped with AWD, remove the front driveshaft.
  4. Disconnect the oxygen sensor electrical connector.
  5. Disconnect the muffler pipe from the left and right side catalytic converters.
  6. Remove the exhaust pipe to right bank catalytic converter fasteners.
  7. Carefully remove the catalytic converter with the seal/ heat shield and oxygen sensor from the exhaust manifold.
  8. Remove the oxygen sensor from the catalytic converter.

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Customer: replied 5 months ago.
Remove the converter nuts. You make that sound easy. I can't even see the upper bolts from the top of the engine bay. I called the dealer and they said this is a 4 hour job. I need to know who to remove the upper two bolts.
Expert:  ggrote1 replied 5 months ago.

once the shield is off you can see the bolts and you get them from under the car going upward with a long extension

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Expert:  Dan replied 5 months ago.

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