Component Testing: Speedometer
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
| Standard Indication (MPH) | Allowable Range (MPH) |
|---|---|
| 20 | 18.5-21.5 |
| 40 | 40-43 |
| 60 | 60.5-64 |
| 80 | 81-85 |
| 100 | 102-107 |
| 140 | 136-142 |
| 180 | 175-183 |