[richardbradford]

Hi, although i've never had an abs sensor fail/break, I always like to keep a thought for what happens if one does.
With this in mind, does anyone know the Bosch numbers for these sensors, across the 164 range. Are the 12v front sensors compatible with the 24v?
Are there any equivalents for other vehicles we can use? Sometimes parts are not listed as compatible for something insignificant like a housing design change, while in practice they would work perfectly. If they had a wrong connector a correct one could surely be put on instead, couldn't it?
Just thoughts...

 

[samstagmoonyham]

Hi, although i've never had an abs sensor fail/break, I always like to keep a thought for what happens if one does.
With this in mind, does anyone know the Bosch numbers for these sensors, across the 164 range. Are the 12v front sensors compatible with the 24v?
Are there any equivalents for other vehicles we can use? Sometimes parts are not listed as compatible for something insignificant like a housing design change, while in practice they would work perfectly. If they had a wrong connector a correct one could surely be put on instead, couldn't it?
Just thoughts...

Hi Richard

You really should joint the Alfaowner forum, a fellow Alfisti on there let us know that the 145 (and I think) early GTV sensors are a direct swap (with a bit of grommet repositioning) on the rear end.

I have since brought 4 and I'm about to chuck 2 in the front and will see if they work there.

My theory is they will, as the connector is the same and people have used rear 164 sensors on the front before, so as long as the cable is long enough, it should be ok.

And yes I agree as long as the body size is correct and allows for very close location to the tone wheels, then any other sensor that works the same way, and has similar resistance should be ok.

 

[richardbradford]

Hi, that's great infformation, thank you.
I did join the alfaowner forum around the same time I joined this one. Spent a lot more time here as has a dedicated 164 forum, while the alfaowner one is joint with the 166 - or at least it was last time I looked.
Anyway, thanks again and please keep us posted.

 

[richardbradford]

I've just ordered a front 145 abs sensor to measure it all up. Have some spare 164 front hubs with sensors in shed and a couple of new rear 164 abs sensors just arrived from Italy. Lots to compare to diameter/lenght/depth wise.
Think the biggest incompatibility with the fronts is the 164 uses sided cables - each angled to point to the centre of the car, while the 145/155/GTV sensor uses non-sided cables - both point downwards. Assuming everything else fits OK, will be important to both make sure the cable doesn't foul on anything and that it is long enough - though cables can always be extended...
For reference, the 164 series 2 rears are 18mm (insert) diameter and 30mm (insert) length, about 50mm total sensor length.

 

[richardbradford]

145/GTV/155 front ABS sensor arrived and is a potential replacement for a 164 rear ABS sensor, after some alterations.
Biggest issue is the cable length. The 164 cable is about 6" longer than the 145, which is significant because those 6" are needed to get it fully inside the boot/trunk. The second biggest issue is the angled bodyshell grommet on the 164 unit is not present on the 145. The insertable sensor length (28mm) and diameter (18mm) are identical, as is the electrical connector.
My verdict is the 145 front ABS sensor can be used as a 164 rear ABS sensor if the 145 cable is extended. Not by adding an extension to it (the ABS sensor connectors are not weather proof) but by cutting the original end off and adding a 164 cut end to it - to both add length and the correct angled bodyshell grommet. My choice of connector, which would live under the car exposed to the road, would be the kind of booted electrical connectors we find all over the engine bay. Here are some pics for your consideration.

 

[samstagmoonyham]

I've just ordered a front 145 abs sensor to measure it all up. Have some spare 164 front hubs with sensors in shed and a couple of new rear 164 abs sensors just arrived from Italy. Lots to compare to diameter/lenght/depth wise.
Think the biggest incompatibility with the fronts is the 164 uses sided cables - each angled to point to the centre of the car, while the 145/155/GTV sensor uses non-sided cables - both point downwards. Assuming everything else fits OK, will be important to both make sure the cable doesn't foul on anything and that it is long enough - though cables can always be extended...
For reference, the 164 series 2 rears are 18mm (insert) diameter and 30mm (insert) length, about 50mm total sensor length.

When you turn them to fit in the bolt hole of the 164 front hub they line up properly to read the reluctor ring, unsure if gap will be correct without modification however (the closer the better)

The only issue is the cable points the wrong way but I cant see it hitting anything in there.

 

[samstagmoonyham]

It's also worth noting different cables from different brands have different lengths.

The poster on Alfaowner didn't need to make a cut, he just used a different grommet hole I believe.

And yes, it irritates me that 164 and 166 are grouped together, there are so few of as 164 owners left now it makes 164 posts hard to find.

 

[richardbradford]

It's also worth noting different cables from different brands have different lengths.

The poster on Alfaowner didn't need to make a cut, he just used a different grommet hole I believe.

And yes, it irritates me that 164 and 166 are grouped together, there are so few of as 164 owners left now it makes 164 posts hard to find.

Good to know, about different lengths and use of a different entry point. Going into the bodyshell further forward would make the current length of the cable on the one I bought viable. Thanks for the info.
And, yes, that is exactly why I gave up with the Alfaowner forum.