For 1990-2009 cars

#### No Drive in Drive Range

Checks | Cause
--- | ---
Oil Level | Low: correct
Oil Pressure | Low: refer to Causes of Low Pressure
Manual Linkage | Misadjusted or disconnected
1-2 Shift Solenoid valve or TCC Solenoid valve | Malfunctioned or mislocated
Forward Servo Assembly | Damaged piston or seal
1/2 Roller Clutch | Damaged
Drive Axles | Disengaged
Oil Pump Assembly | Damaged: refer to Causes of Low Pressure
#3 Checkball | Missing
Torque Converter | Stator roller clutch (vehicle moves, but vehicle is very sluggish)
Drive Link Assembly |

• | Damaged or broken drive link chain

• | Damaged sprockets

Input Clutch Assembly |

• | Burned or missing clutch plates

• | Damaged piston or seals

• | Leaking housing checkball assembly

• | Damaged input shaft seals

• | Blocked feed passages on the input shaft

Input Sprag, Input Sun Gear Assembly |

• | Improper assembly

• | Damaged sprag: roll over

Input Carrier, Reaction Carrier Assembly |

• | Damaged pinions

• | Damaged internal gear

• | Damaged sun gear

Output Shaft |

• | Damaged shaft

• | Misassembled with axles

Forward Band Assembly |

• | Burned

• | Band apply pin is mislocated with the band (Assembly will still move in Manual Lo gear and in Manual Second gear)

Parking Pawl | Broken spring, the pawl remains engaged
Final Drive Assembly, or Final Drive Sun Gear Shaft | Damaged side gear, gears, pinion, or internal gear