Preliminary Checks

Perform in the following order:

Read any fault codes before battery is disconnected, see SELF-DIAGNOSTIC SYSTEM .
Ensure fluid level is correct.
Inspect and adjust throttle cable, kickdown cable and gear position sensor (if necessary).
Check idle speed RPM and adjust as necessary.
Check stall speeds, see STALL SPEED TEST .
Check hydraulic pressure, see HYDRAULIC PRESSURE TEST .
Test drive vehicle and document shift points, see ROAD TEST .

NOTE: Manufacturer recommends transaxle assembly replacement only. Manufacturer does not provide mechanical overhaul information.