Operation CHARM: Car repair manuals for everyone.

Speedometer Head: Testing and Inspection







INSPECT SPEEDOMETER
a. Check the operation.
1. Using a speedometer tester, inspect the speedometer for acceptable indication error and check the operation of the odometer.
Reference: km/h (Canada)

NOTE: Tire wear and over or under tire pressure will affect the indication error.

2. Check the deflection width of the speed meter indicator.
Reference: Below 0.5 km/h (0.3 mph)