Bad ABS Sensor

A forum for the legendary Nissan Pathfinder and Infiniti QX4.
NocturnalQX4
Posts: 38
Joined: Thu Dec 03, 2009 5:27 pm

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Hey so I have a 2003 pathfinder SE. My front passenger side and rear drivers side has failed. I need to replace them. I need some help identifying where they are located. Once I know where it's located I can remove it. I have searched but nothing shows photos or details where the sensor is. I know it's in the brake area but that's it.

Any help will be much appreciated.

Thanks.


NismoPick
Posts: 123
Joined: Mon Mar 11, 2013 12:11 pm
Car: 97 Infiniti QX4
00 BMW 528i E39
94 Geo Metro
87 Toyota Pickup
81 Datsun 280ZXT
Location: Utah

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atraudes
Posts: 1106
Joined: Thu Jan 10, 2013 7:46 pm
Car: 2001.5 Infiniti QX4 4WD
Location: Sammamish, WA

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In regards to the front:

Check out my post where I replaced the steering knuckle. The ABS sensor is located in that hole on the right side of the broad shiny area of the knuckle in my first picture (toward the front of the car, on both sides). If you take a look on the back of the knuckle, it's the only thing that has a wire running to it, and is secured with a single 10mm-ish size bolt.

steering-knuckle-replacement-guide-t593813.html

Ideally you'd be able to undo the bolt and simply pull it out to replace it, but the unanimous experience here is that they're always rusted and fused into the knuckle, and you'll need to remove the wheel hub and hammer it out from the outside.

I don't know precisely where they are on the rear or how to remove them, but it should be a similar setup, and again will be the only wire running to the back of the wheel. It's probably safe to assume those will be fused in place too.

NocturnalQX4
Posts: 38
Joined: Thu Dec 03, 2009 5:27 pm

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NocturnalQX4 wrote:Hey so I have a 2003 pathfinder SE. My front passenger side and rear drivers side has failed. I need to replace them. I need some help identifying where they are located. Once I know where it's located I can remove it. I have searched but nothing shows photos or details where the sensor is. I know it's in the brake area but that's it.

Any help will be much appreciated.

Thanks.
Update

So i figured out which sensors are bad and i have located them, i tried to undo the bolt and of course it has snapped off. So now, i have purchases a new sensor for the front. Any ideas on where i can purchase one for the back that isnt over 200$.

Also i need a new blot, i may just go to a local NIssan dealership and get a replacement bolt.

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atraudes
Posts: 1106
Joined: Thu Jan 10, 2013 7:46 pm
Car: 2001.5 Infiniti QX4 4WD
Location: Sammamish, WA

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I bought some new bolts from Lowes. The bolt was M8-1.25x20, with an 8mm split lock washer.


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