New to this forum and need ABS sensor advice please

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fnlchris

Member
Posts
11
Location
Totnes, Devon UK
My beloved Freelander TD4 is old - 2003 and bits are beginning to wear out. I've been running it mondo for many years and when the rear wheel bearing went I decided to remove the rear diff and drive shafts as well to make changing it easier; no need to remove the whole hub. Job done without a bearing press with careful hammering. Found this thread very useful https://www.landroverblogger.com/how-to-replace-a-wheel-bearing-on-a-freelander

First drive and I got the 3 amigos came on only once I got the car rolling, nothing at start up. I have taken the ABS sensor out hoping it was just that or some of the graphite grease I used to ease the bearing in being squeezed out and upsetting things. It was coverd in grease down ther, so I have cleaned it out as best I can

I would like your expert opions before I replace it. I am not a mechanic, just a fairly capable DIYer, so please don't use any complex jargon, especially when it comes to electrics, now there I am an absolute beginner!

What resistance should the sensor show on the meter? I have seen quoted in other threads values between 950 and 1100 Ohms but I am not clear if they apply to the old style of ABS sensor or the new one or both. Mine is the new one - I believe the part number is SSW000020
I got a cheap replacement from fleabay and it is giving a similar reading to the one I took off - around 18.2 MOhms for the new one and 17.7 MOhms for the old one

Did I knacker the sensor, is the fleabay sensor any good, is it likely that graphite grease was interferring with its function or is it the magnetic ring on the bearing I've damaged?

The car has done nearly 200K miles and the turbo is gradually fading so I don't want to throw money at it but I am still very fond of it and would love to give it another year or two of life :)

Appreciate any help, thanks
 
Welcome to the forum
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This section is for introductions only. For technical help you should post your questions in the vehicle specific sections listed below, where owners of those vehicles will offer advice.

Main forum index:
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Freelander 1 and 2:
https://www.landyzone.co.uk/forum/land-rover-freelander.9
 
Just to complete the story - I fitted the new sensor and it all worked. The three amigos went out on the first drive.
The electrics still puzzle me though. I got the following readings from the new sensor -
Resistance read open circuit before fitting
AC volts gave no reading after fitting the sensor and spinning the wheel​
So I was surprised but delighted when it all worked
Thanks for the replies
 
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