Question about 1999 Volkswagen Passat

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Rear speed sensor removal front wheel drive

I am replacing the rear axle and need to remove speed sensors but having trouble getting them out, the plug seems to be stuck and breaks very easy. I doing this on the new axle because the wires were cut upon removal from salvage car so when I get to mine to put them in I wont break them so basicly just need to get them unpluged so I can plug in my wires

any help?

Thanks Rob

Posted by robvdb on

  • robvdb Aug 10, 2008

    ty did exactly that back on the road thx again
    Rob


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2 Answers

Anonymous

Great thanks I did that and swapped out my entire hubs with wires and sensors intacted just 5 8mm allens per hub and walla done

Posted on Aug 10, 2008

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Don't remove the speed sensor from the hub wiht everything mounted on the car - you're almost guaranteed to destroy them (happened to me on my A4). Rolling friction while you're driving heats the hubs and basically seizes the sensors into the hubs. Better way to do it is to remove the rear seat bottom cushion (it just pops off if you pull up firmly from the front, bottom edge of it), and unplug the speed sensors from the main harness. There's a large wire bundle running across the car under the seat, and the speed sensors are plugged into it.

After you remove the cushion, you'll see right near the door jambs on each side (under the seat) a 2" or so diameter black foam or rubber grommet with a wire running through it. That's the speed sensor wire. Trace it back to the bundle and you'll see where it's plugged in. Unplug it, pop the grommet, then get under the car and follow the wire from the sensor in the hub forward. You'll see it runs under a bracket on the lower A-arm, which you can remove with a 9mm socket (2 nuts) and goes up through the floor of the car just inside the jack rail on the bottom, again through a black rubber grommet. Pop that grommet down and out as well, and you'll be able to feed the wire and plug down from the under-seat area and out the bottom of the car. Then you'll be able to move the suspension however you need to, without fear of damaging anything to do with the sensors.

Posted on Aug 09, 2008

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2009 trailblazer rear drivers side axle won't come out. c clip is out


Special Tools
  • Slide Hammer
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Removal Procedure


  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.
  3. Remove the brake caliper. Refer to Rear Brake Caliper Replacement.
  4. Remove the rear wheel speed sensor. Refer to Rear Wheel Speed Sensor Replacement.
  5. Remove the rear axle housing cover and the gasket. Refer to Rear Axle Housing Cover and Gasket Replacement.
  6. Remove the pinion shaft locking bolt.

  7. On axles without a locking differential, remove the pinion shaft.

  8. On axles with a locking differential, remove the shaft part way. Rotate the case until the pinion shaft touches the housing.

  9. On axles with a locking differential, use a screwdriver, or a similar tool, in order to enter the differential case and rotate the C-lock?(1) until the C-lock aligns with the thrust block?(2).
  10. Push the flange of the axle shaft?(1) toward the differential.

  11. Remove the C-lock from the button end of the axle shaft.

  12. Note: When removing the axle shaft, do not rotate the shaft. Rotating the shaft will misalign the gears. Misaligning the gears will make the installing of the axle shaft difficult.
  13. Remove the axle shaft from the housing.
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