Rear o2 sensor

Post by **Scooby** » Tue Apr 02, 2019 5:48 pm

Anyone know the best way to remove the rear sensor from an early 24v.

Post by **mojo98** » Tue Apr 02, 2019 5:55 pm

Not done a early one, but I would have thought it would be same as a late one,
I use a socket designed to remove o2 sensor, and get from below and then struggle to unclip it (small hands) required

Post by **mikenali** » Tue Apr 02, 2019 7:02 pm

I managed with a spanner. But had to get the car on ramps, and go from underneath. Can't remember if I removed the crossmember for better access.

Post by **mojo98** » Tue Apr 02, 2019 7:27 pm

mikenali wrote: ↑
Tue Apr 02, 2019 7:02 pm
I managed with a spanner. But had to get the car on ramps, and go from underneath. Can't remember if I removed the crossmember for better access.

oh yes remove the crossmember

Post by **jrh** » Tue Apr 02, 2019 8:11 pm

I know great store is made of these units working BUT mine were never changed ( despite being U/S ) for 19 years.
Fuel consumption was generally around 38mpg , more if driven carefully.
The ECU provides an optimum input in the event of 'no input' so no need to get too worried about those codes.

Post by **Scooby** » Wed Apr 03, 2019 7:56 am

Early and late are in different places. Later ones can be accessed easily from the wheel arch but early ones are right at the back.
I already have the necessary socket but can't get a ratchet on it. I'll try removing the cross member.

Post by **humph** » Wed Apr 10, 2019 9:57 pm

I use a 22mm ring spanner, I think it’s 22mm. It is cut in half, disconnect the plug, working from the top, place ring spanner on O2 sensor, then I have a piece of pipe flattened at one end, place this end against the end of the spanner and tap with a hammer. 5 minute job.

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