Component Tests: Speedometer

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Ensure tires are correct size and inflated properly. Place vehicle on standard speedometer tester. Compare tester with speedometer readings. See SPEEDOMETER TEST table. If vehicle speedometer readings are not within allowable range, replace speedometer.

SPEEDOMETER TEST

Vehicle Speed (Actual MPH)	Allowable Range (Indicated MPH)
20	18.5-21.5
40	40-43
60	60.5-64
80	81-85
100	102-107
120	122.5-128.5
140	136-142
180	175-183