No Third Gear - D3. Cadillac Concours 1997

For 1990-2009 cars

Checks | Causes
--- | ---

1-2 Shift Solenoid Valve

• | Debris

• | Wires pinched or damaged

• | Inoperative

2-3 Shift Solenoid Valve

• | Debris

• | Wires pinched or damaged

• | Inoperative

• | Physical damage

3-4 Shift Valve Bore Plug | Misassembled
3rd Clutch Piston | Cracked, damaged, checkball damage
3rd Clutch Plates | Burned, splines damaged
3rd Clutch Seals on Piston | Cut or rolled
Checkballs | Missing or stuck
Driven Sprocket Support | Valve improperly installed