Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Speedometer Test
- Rear wheel free roller system
- Set the free roller on the floor of rear wheel side securely according to the wheel base and rear tread of the vehicle.
- Let the vehicle ride on the tester and free roller gently.CAUTION:
Fix the vehicle using a pulling metal (chain or wire).Β
- Set the speedometer tester.
- Conduct the speedometer test work.
CAUTION:- Do not operate the steering wheel.Β
- Avoid abrupt operations of the acceleration pedal and brake pedal.Β
- Perform the measurement while driving the vehicle at 50 km/h (31 MPH) or less and complete within one minute.Β
- Rear wheel jack-up system
- Set the vehicle on speedometer tester.CAUTION:
Fix the vehicle using a pulling metal (chain or wire).Β
- Jack up the rear wheels and set the rigid racks to the rear side jack up point.
- Conduct the speedometer test work.
CAUTION:- Do not operate the steering wheel.Β
- Avoid abrupt operations of the acceleration pedal and brake pedal.Β
- Perform the measurement while driving the vehicle at 50 km/h (31 MPH) or less and complete within one minute.Β
- Be sure to turn OFF the pre-collision brake function.Β
- Set the vehicle on speedometer tester.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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