O2 sensor HELP!!!!!!!!!!!!!!!!

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Apr 19, 2005 | 10:05 PM

QuickSilver7

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Joined: Dec 2004

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O2 sensor HELP!!!!!!!!!!!!!!!!

I am having trouble trying to replace 2nd o2 (post cat) on my 2000 A4 1.8...

I can get the wrench positioned on the o2 (in the tight space) however no room to manuever or unscrew the o2... I even tried going through under the car with no luck...

Does anyone have any tips??

Any help would be appreciated .. THanks

Apr 19, 2005 | 10:57 PM

ThirdEye

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That is a major PITA

perhaps unbolting the cat and bringing it furher into the engine bay would gain more accessibility?

Apr 20, 2005 | 07:01 AM

Vic995

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Have you tried a "crowsfoot"?

Apr 20, 2005 | 12:20 PM

QuickSilver7

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what is a crowsfoot??? a special tool?

Apr 21, 2005 | 07:03 AM

Vic995

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Link to picture. You need 22mm, try Sears.

<ul><li><a href="http://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=47928">http://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=47928</a</li></ul>