how hard is it to replace all four o2 sensors? any write up on this? tia
12-15-2004, 10:12 AM
#2
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The drivers side primary is a PITA but the rest of them look straight forward
Are you changing them out because they all went bad? That's some $$$ unless you use the VW ones.
12-15-2004, 10:45 AM
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You need small hands, preferrably all lubed up...
There a special tool available for unscrewing lambda sensors. You also need a looong extension, since the one on the drivers side i pretty hard to reach. You need to remove the coolant resevoir thingy to get to it. Euro cars only have primary sensors, so that's the ones I'm refering to.
12-15-2004, 07:22 PM
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There are some pictures of the O2 sensors in my pic poster. The pictures don't ...
show the upper ones but they are just further back on the pics of the heatshields. I'd recommend the crow-foot O2 socket as it strains the harnesses less.
12-15-2004, 11:49 PM
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No problem. You'll need a couple of feet of socket extensions for the primary sensors....
The downpipe installation instructions in the tech section or at
<a href="http://www.s4biturbo.com">S4 Biturbo.com</a>
talk about how to get the primary ones out.
<a href="http://www.s4biturbo.com">S4 Biturbo.com</a>
talk about how to get the primary ones out.
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