No Engine Braking In D

1. Manual linkage improperly adjusted.

2. Plugged D3 orifice in spacer plate.

3. Leaking, damaged, or incorrectly installed valve body gaskets.

4. PT/D-3 check ball 3 improperly positioned or missing.

5. Undrilled or plugged D3 oil passage in turbine shaft.

6. D-3 oil hole not drilled through in overrun clutch hub.

7. Missing or damaged oil seals in the overrun clutch piston.

8. Burned overrun clutches.