Test Procedures

This tests general condition of overdrive clutch, forward clutch, rear clutch and first/reverse brake. Condition is indicated by time required for clutch/brake engagement with engine at curb idle speed. Engagement time is measured for "D" and Reverse positions. A stop watch is recommended for test accuracy.

1. Check and fill transmission fluid level (if necessary).
2. Bring transmission to normal operating temperature.
3. Apply parking brake.
4. Turn off A/C.
5. On 4WD models, shift transfer case into two-wheel high.
6. Start engine and check curb idle speed. Adjust speed if necessary. Curb idle must be correct to ensure accurate test results. Refer to emission decal in engine compartment.
7. Shift transmission into Neutral and set stop watch.
8. During following test steps, start stop watch as soon as shift lever reaches "D" and Reverse detents.
9. Shift transmission into "D" range and record time it takes for engagement. Repeat test 2 more times.
10. Reset stop watch and shift transmission to Neutral.
11. Shift transmission into Reverse and record time it takes for engagement. Repeat test 2 more times.
12. Engagement time in "D" range should be a maximum of 1.2 seconds. Engagement time for Reverse should be a maximum of 1.5 seconds.