Blackline lsd speedo help

Steerfromdarear · Aug 9th, 2023, 21:05

I've fitted a blackline lsd I have a go at making a tone ring
But my speedo only gos to 30mph even when doing around 60mph anyone have this trouble

Pete940 · Aug 10th, 2023, 19:20

Do you think the distance from the ring to the sensor is as factory?

Steerfromdarear · Aug 10th, 2023, 20:57

I will double check on Saturday

Laird Scooby · Aug 10th, 2023, 22:46

The spacing needs to be even and if your car is 1992 on it needs 48 teeth. Before that it may need 12 or 96 teeth, depending on whether it has ABS or not.

360beast · Aug 11th, 2023, 07:10

Quote:

Originally Posted by Laird Scooby

The spacing needs to be even and if your car is 1992 on it needs 48 teeth. Before that it may need 12 or 96 teeth, depending on whether it has ABS or not.

50 shades had 48 teeth (non abs 1991) and I fitted a 1995 abs axle to it without issue, I think all 940's will have 48 teeth knowing this, I could be wrong obviously.

classicswede · Aug 12th, 2023, 11:28

Are you using one of these? https://www.classicswede.org/shop/48...or-diff-sensor

Did you check your original ring is a 48 one?

Steerfromdarear · Aug 12th, 2023, 14:33

I made a tone ring I spaced the sensor closer now and the abs light has gone out it was on before.still not go over 30mph

Steerfromdarear · Aug 19th, 2023, 16:36

Now speedo is sitting at 25 while idling

Steerfromdarear · Sep 16th, 2023, 20:13

The new tone ring fixed the the speedo.the abs light it come on after a few miles then stays off again when restared
And comes on again after a few miles.no fault code seem to be coming. Could the spacing between the rear sensor and tone ring cause this

Laird Scooby · Sep 16th, 2023, 20:52

Quote:

Originally Posted by Steerfromdarear

The new tone ring fixed the the speedo.the abs light it come on after a few miles then stays off again when restared
And comes on again after a few miles.no fault code seem to be coming. Could the spacing between the rear sensor and tone ring cause this

Glad to hear the speedo now works, unless it gives an occasional strange reding i would think the spacing is ok and therefore the occasional ABS light coming on is likely to be the front sensors, possibly just dirty but may be getting towards the end of their life.

Aug 9th, 2023, 21:05	#1
Steerfromdarear Junior Member Last Online: Yesterday 10:13 Join Date: Sep 2017 Location: London	Blackline lsd speedo help I've fitted a blackline lsd I have a go at making a tone ring But my speedo only gos to 30mph even when doing around 60mph anyone have this trouble

Aug 10th, 2023, 22:46	#4
Laird Scooby Premier Member Last Online: Today 13:09 Join Date: May 2012 Location: Lakenheath	The spacing needs to be even and if your car is 1992 on it needs 48 teeth. Before that it may need 12 or 96 teeth, depending on whether it has ABS or not. __________________ Cheers Dave Next Door to Top-Gun with a Honda CR-V & S Type Jag Volvo gone but not forgotten........

Aug 12th, 2023, 11:28	#6
classicswede Trader Volvo in my veins Last Online: Yesterday 22:05 Join Date: Dec 2004 Location: Anglesey	Are you using one of these? https://www.classicswede.org/shop/48...or-diff-sensor Did you check your original ring is a 48 one? __________________ http://www.classicswede.org www.classicswede.co.uk

Aug 12th, 2023, 14:33	#7
Steerfromdarear Junior Member Last Online: Yesterday 10:13 Join Date: Sep 2017 Location: London	I made a tone ring I spaced the sensor closer now and the abs light has gone out it was on before.still not go over 30mph Last edited by Steerfromdarear; Aug 12th, 2023 at 14:45.

Aug 10th, 2023, 19:20	#2
Pete940 Ideal Volvo Last Online: Jun 17th, 2024 08:51 Join Date: Aug 2012 Location: Haydock	Do you think the distance from the ring to the sensor is as factory?

Aug 10th, 2023, 20:57	#3
Steerfromdarear Junior Member Last Online: Yesterday 10:13 Join Date: Sep 2017 Location: London	I will double check on Saturday

Aug 19th, 2023, 16:36	#8
Steerfromdarear Junior Member Last Online: Yesterday 10:13 Join Date: Sep 2017 Location: London	Now speedo is sitting at 25 while idling

Sep 16th, 2023, 20:13	#9
Steerfromdarear Junior Member Last Online: Yesterday 10:13 Join Date: Sep 2017 Location: London	The new tone ring fixed the the speedo.the abs light it come on after a few miles then stays off again when restared And comes on again after a few miles.no fault code seem to be coming. Could the spacing between the rear sensor and tone ring cause this

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