Line Pressure Diagnosis Chart
LINE PRESSURE DIAGNOSIS CHART
| Test Results | Possible Source |
|---|---|
| High At Idle - In All Positions | Wiring Harnesses Run Quick Test. Refer to INTRODUCTION - GASOLINE . EPC Solenoid Main Regulator Valve |
| Low At Idle - In All Positions | Low Fluid Level Control Bodies Leakage in Pump Damaged Gaskets on Separator Valve Damaged Separator Plate Restricted Inlet Filter Case Bolts Loose Main Control Valve Body EPC Solenoid Bracket EPC Solenoid O-Ring Case Sticking Main Regulator Valve Damaged Inlet Tube Seal on Inlet Filter |
| Low in Park Only | Valve Body Low/Reverse Servo |
| Low in Reverse Only | Separator Plate Low/Reverse Servo or Valve Body Reverse Clutch |
| Low in Neutral Only | Valve Body |
| Low in Overdrive Only | Forward Clutch |
| Valve Body | |
| Low in 1st Position Only | Forward Clutch Valve Body Low/Reverse Servo |
| Low in 2nd Only | Intermediate Clutch Valve Bodies Forward Clutch |