Dynamometer testing

A 4WD vehicles must be tested on a special 4 wheel chassis dynamometer.

If a 2WD roll tester must be used, perform the following procedure.

ONQ5051013

A: Roll tester (Speedometer)

B: Temporary free roller

Operation

  1. Check the recommended tire pressure for your vehicle.

  2. Place the front wheels on the roll tester (A) for a speedometer test as shown in the illustration.

  3. Release the parking brake.

  4. Place the rear wheels on the temporary free roller as shown in the illustration.

WARNING

  • Do not use tire and wheel with different size and type from the one originally installed on your vehicle. It can affect the safety and performance of your vehicle, which could lead to steering failure or rollover causing serious injury.

  • Never start or run the vehicle while a 4WD vehicle is raised on a jack. The vehicle can slip or roll off of a jack causing serious injury or death to you or those nearby.

  • Keep away from the front of the vehicle while the vehicle is in gear on the dynamometer. This is very dangerous as the vehicle can jump forward and cause serious injury or death.

NOTE

Never engage the parking brake while performing these tests.