Century V6-260 4.3L DSL (1984)
Figure 2
2. To verify that the spacer plate is peening evenly and the ball is sealing correctly, seat the check-ball on the spacer plate. Shine a beam of light on the
opposite side and inspect for light between the spacer plate and check-ball (see Figure 2). No trace of light should be present. If light can be seen, a
proper seal does not exist, and the spacer plate must be replaced.
SERVICE MANUAL REFERENCE:
Refer to the Hydra-Matic Automatic Transaxle/Transmission Diagnosis or Unit Repair section of your service manual for proper check-ball locations
and functions.