Preliminary Inspection

The following items must be checked before proceeding:

1. Know and Understand the customer's concern.

2. Validate customer's concern (when does it exist?).
   1. Upshift
   2. Downshift
   3. Coasting
   4. Engagement
   5. Noise/Vibration

      NOTE: If Noise/Vibration check for dependencies.

      • RPM dependent.
      • Vehicle Speed dependent.
      • Shift dependent.
      • Gear dependent.
      • Range dependent.
      • Temperature dependent.

3. Vehicle at normal operating temperature.

4. Check Fluid Level and Condition.

5. Visually inspect the vehicle for the following items:
   • Vehicle Modifications.
   • Electronic Add-On items.
   • Leaks.
   • Proper linkage adjustments.

6. Check TSB's and Oasis for Concern Information.

7. Perform the COMPLETE On-Board Diagnostic procedures (KOEO, KOER).