Rear Bearing Replacement and Now the Speedometer Stopped Working - Lexus IS Forum
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post #1 of 2 (permalink) Old 07-09-2016, 11:42 PM Thread Starter
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Rear Bearing Replacement and Now the Speedometer Stopped Working

Hi All,

On my 2008 IS250, I changed my both rear wheel bearing hubs and the speedometer stopped working right after that. I first thought that maybe the wheel hub it self is bad because it has the round encoder installed in it. So I re-installed the old wheel hub thinking that the speedometer will start to work again. But I was wrong. I had cleaned the speed sensor with some brake cleaner also.

I than installed the new ones wheel hubs again and tripled checked that the the speed sensors were cleaned and installed correctly.

More detailed (short bullet version).
-installed both new wheel hubs
-speedometer stopped working
-gas needle jumps by a quarter tank
-ABS don't work (probably because they don't activated because the speed is at 0).
-While the car is in drive, you can shut it off by pressing the start/stop button. You would normally have the press and hold for 3-5 seconds before it would shut off. I think this is also due to the car thinking that its not moving and that it's zero speed).

Any advice? Have the speed sensors gone bad? Or is the speed transmitter? Did I do something wrong? I know I didn't disconnect the battery while I was changing the wheel hubs.

No warning lights are on in the runs smooth. Thanks for listening and look forward to any advise.
sehdev is offline  
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post #2 of 2 (permalink) Old 08-19-2018, 12:09 PM
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Hey man. I would poissbly check out your abs/ speed sensors. Double check that they are plugged in correctly, not showing any bare wires or are worn/broken/pinched.

Nikolai Camacho is offline  
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