How to Replace a Speedometer Cable

Written by ehow cars editor
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You're driving along and suddenly you start to hear a ticking noise. There's a good chance that the sound is coming from your speedometer cable. If you don't want to take your car to a garage, follow these basic steps to replace your car's speedometer cable yourself, and save some money.

Skill level:

Things you need

  • Vehicle
  • Speedometer cable
  • Wrench
  • Screwdrivers

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    Remove the Speedometer Cable

  1. 1

    Remove the old speedometer cable from your car by first taking off the doghouse and the engine cover.

  2. 2

    Locate and remove the bolt below the dashboard and let down the steering column. Doing so will allow you to get to the back of your speedometer.

  3. 3

    Take off the drive shaft nut and the "O" ring and drive the speedometer cable through the firewall.

  4. 4

    Get rid of the clamp securing the speedometer cable (located in the engine compartment) and the clamp holding the cable in place (found on the transmission.)

  5. 5

    Release the drive shaft nut from the "right angle" adapter. The nut is attached to the rear of the transfer case.

    Replace the Speedometer Cable

  1. 1

    Place the square end of the new speedometer cable into the adapter and secure the drive shaft nut.

  2. 2

    Pull the speedometer cable through the firewall to the rear of the speedometer.

  3. 3

    Secure the "O" ring and attach the speedometer cable to the rear of the speedometer/odometer. It should be engaged in the speedometer's square hold. Tighten the drive shaft nut again.

  4. 4

    Replace the clamps that will secure the speedometer cable onto the transmission and in the engine compartment. Replace the engine cover.

  5. 5

    Drive your car slowly to be sure your speedometer is working properly. If it is, replace the doghouse. If you're stilling having problems, take the car to your mechanic.

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