The ultimate thread about catalytic converters replacement

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May 12, 2011 | 07:59 PM

#11

Audimax80

Thread Starter

1st Gear

Joined: May 2011

Posts: 26

Quote:

Originally Posted by bigdadi

You only need it for the post cat O2 sensor(s), not the pre-cat ones.
30 mins they'll send you on your way if installed by indy garage. Space is good enough for 2002 A6.

Where do you access from for installation?

May 13, 2011 | 04:06 AM

#12

bigdadi

1st Gear

Joined: Sep 2010

Posts: 409

From: Boston MA

Take the post cat OXY sensor out easily with the tool ECS tuning $29.95
Follow the Minicat instruction, screw sensor to 1 end and scew it back to the cat other end

May 13, 2011 | 08:05 PM

#13

Audimax80

Thread Starter

1st Gear

Joined: May 2011

Posts: 26

Quote:

Originally Posted by bigdadi

Take the post cat OXY sensor out easily with the tool ECS tuning $29.95
Follow the Minicat instruction, screw sensor to 1 end and scew it back to the cat other end

Sounds easy, but from the engine compartment or from the bottom?

May 14, 2011 | 10:14 AM

#14

bigdadi

1st Gear

Joined: Sep 2010

Posts: 409

From: Boston MA

I didn't do the job but I think from engine compartment to do PRE-CAT O2 sensors with long handle wrench extension, and from bottom to do POST-CAT O2 sensors.