Speedometer Test

Rear wheel free roller system
1. Set the free roller on the floor of rear wheel side securely according to the wheel base and rear tread of the vehicle.
2. Let the vehicle ride on the tester and free roller gently.
  CAUTION: Fix the vehicle using a pulling metal (chain or wire) to the front and rear towing hooks or tie-down hook to prevent the lateral runout of front wheels and springing out of vehicle.
  
  Fig 1: Testing Vehicle Speed With Rear Wheel Free Roller System
  Courtesy of SUBARU OF AMERICA, INC.
3. Set the speedometer tester.
4. Conduct the speedometer test work.
  CAUTION: Do not suddenly accelerate or decelerate while working.
Rear wheel jack-up system
1. Set the vehicle on speedometer tester.
  CAUTION: Fix the vehicle using a pulling metal (chain or wire) to the front and rear towing hooks or tie-down hook to prevent the lateral runout of front wheels and springing out of vehicle.
2. Jack up the rear wheels and set the rigid racks to the specified locations of side sill.
  
  Fig 2: Jacking Up Rear Wheels And Set Rigid Racks
  Courtesy of SUBARU OF AMERICA, INC.
3. Conduct the speedometer test work.
  CAUTION: Do not suddenly accelerate or decelerate while working.