For 1990-2009 cars

Condition | Action
--- | ---
DEFINITION: Slips in reverse or no reverse
Fluid level low and/or burnt |

• | Perform Transmission Fluid Check .

• | If low inspect for fluid leak, repair as necessary.

• | Inspect transmission oil cooler system for restricted or kinked lines.

• | Flush system. Refer to Transmission Fluid Cooler Flushing and Flow Test .

Fluid is contaminated with water or engine coolant | If contaminated with engine coolant replace transmission.
Unit filled with wrong type of fluid | Drain fluid and fill with proper type of fluid.
Shift cable or neutral park switch out of adjustment |

• | Inspect neutral park switch alignment, adjust to correct position.

• | Inspect shift cable adjustment, adjust for proper operation.

Line pressure control solenoid valve assembly (SLT) (312) |

• | Perform electrical function checks on the line pressure control solenoid valve assembly circuit.

• | Perform electrical function check on the line pressure control solenoid valve assembly (312).

• | Replace valve body assembly (39) if line pressure control solenoid valve assembly (312) is faulty.

Torque converter (1) | Replace torque converter (1).
Valve body (39) | Replace valve body (39).
Internal transmission part failure |

• | Disassemble the transmission and inspect the following:

- | Clutch assemblies, O-rings cut or damaged, clutch disc failure

- | Fluid pump wore, scored or broken gears

- | Broken shafts or gears

• | Replace transmission if any internal parts are faulty.