Section 341 (Automatic Transmission)
WARNING: This page is about a different car, the 2003 Mercury Marauder, 2003 Mercury Grand Marquis, and 2003 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Description And Operation
- Transmission Description
- Identification Tags
- Range Selection
- Shift Patterns
- Disassembled Views
- Bushings, Bearing and Thrust Washer Locator
- Seals, Rings and Gasket Locator
- Main Components And Functions
- Torque Converter
- Geartrain
- Apply Components
- Hydraulic System
- Transmission Electronic Control System
- Notes
- Powertrain Control Module (PCM)
- Air Conditioning (A/C) Clutch
- Brake Pedal Position (BPP) Switch
- Engine Coolant Temperature (ECT) Sensor
- Ignition Coil - Coil On Plug
- Intake Air Temperature (IAT) Sensor
- Mass Air Flow (MAF) Sensor
- Transmission Control Switch (TCS) and Transmission Control Indicator Lamp (TCIL)
- Throttle Position (TP) Sensor
- Digital Transmission Range (TR) Sensor
- Output Shaft Speed (OSS) Sensor
- Electronic Pressure Control (EPC) Solenoid
- Torque Converter Clutch (TCC) Solenoid
- Shift Solenoid - SSA, SSB
- Solenoid Operation Chart
- Transmission Fluid Temperature (TFT) Sensor
- Vehicle Speed (VSS) Sensor
- Diagnosis And Testing
- Diagnostic Strategy
- Diagnostic Flow Chart
- Preliminary Inspection
- Road Testing Vehicle
- Shift Point Road Test
- Torque Converter Diagnosis
- Visual Inspection
- Diagnostics
- Output State Control (OSC) Mode
- Notes
- Output State Control (OSC) Procedures
- OSC - Transmission Bench Modes
- SSA, SSB and TCC in BENCH MODE
- EPC in BENCH MODE
- BENCH MODE Procedure for EPC
- OSC - Transmission DRIVE MODES
- GR_CM in DRIVE MODE
- DRIVE MODE Procedure for GR_CM
- TCC in DRIVE MODE
- Drive Mode Procedures for TCC
- EPC in DRIVE MODE
- Using Output State Control and Accessing PIDs
- OSC Parameter Chart
- Transmission Drive Cycle Test
- Diagnostic Trouble Code Charts
- Transmission Connector Layouts
- Pinpoint Tests - OSC Equipped Vehicles
- Notes
- Shift Solenoids Pre-Diagnosis
- Shift Solenoid Failure Mode Chart "Always Off"
- Shift Solenoid Failure Mode Chart "Always On"
- Pinpoint Test A: Shift And Torque Convertor Clutch Solenoids
- Pinpoint Test B: Transmission Fluid Temperature (TFT) Sensor
- Pinpoint Test C: Digital Transmission Range (TR) Sensor
- Pinpoint Test D: Electrical Pressure Control (EPC) Solenoid
- Pinpoint Test E: Output Shaft Speed (OSS) Sensors
- Pinpoint Test F: Solenoid Mechanical Failure
- Special Testing Procedures
- Leakage Inspection
- Transmission Fluid Cooler
- Diagnosis By Symptom
- Notes
- Diagnosis by Symptom Chart Directions
- Diagnostic Routines
- Engagement Concern: No Forward
- Engagement Concern: No Reverse
- Engagement Concern: Harsh Reverse
- Engagement Concern: Harsh Forward
- Engagement Concern: Delayed/Soft Reverse
- Engagement Concern: Delayed/Soft Forward
- Shift Concerns: Some/All Shifts Missing
- Shift Concerns: Timing Concerns - Early/Late
- Shift Concerns: Timing Concerns - Erratic/Hunting
- Shift Concerns: Feel - Soft/Slipping
- Shift Concerns: Feel - Harsh
- Shift Concerns: No 1st Gear, Engages In Higher Gear
- Shift Concerns: No Manual 1st Gear
- Shift Concerns: No Manual 2nd Gear
- Shift Concerns: 1-2 Shift (Automatic)
- Shift Concerns: 2-3 Shift (Automatic)
- Shift Concerns: 3-4 Shift (Automatic)
- Shift Concerns: 4-3 Shift (Automatic)
- Shift Concerns: 3-2 Shift (Automatic)
- Shift Concerns: 2-1 Shift (Automatic)
- Torque Converter Clutch Operation Concerns: No Apply
- Torque Converter Clutch Operation Concerns: Always Applied/Stalls Vehicle
- Torque Converter Clutch Operation Concerns: Cycling/Shudder/Chatter
- Other Concerns: No Engine Braking In Manual 2nd Or Manual 1st Position
- Other Concerns: Shift Lever Efforts High
- Other Concerns: External Leaks
- Other Concerns: Poor Vehicle Performance
- Other Concerns: Noise/Vibration - Forward Or Reverse
- Other Concerns: Engine Will Not Crank
- Other Concerns: No Park (P) Range
- Other Concerns: Overheating
- General Procedures
- In-Vehicle Repair
- Fluid Pan, Gasket and Filter
- Transmission Filler Tube
- Main Control Valve Body
- Extension Housing Oil Seal
- Extension Housing Gasket
- Electronic Pressure Control (EPC) Solenoid
- Manual Control Lever Shaft and Seal
- Digital Transmission Range (TR) Sensor
- Reverse Servo Assembly
- Overdrive Servo
- 1-2 Accumulator
- 2-3 Accumulator
- Transmission Insulator and Retainer
- Transmission Support Crossmember
- Removal
- Disassembly
- Disassembly And Assembly Of Subassemblies
- Main Control Valve Body
- Pump and Intermediate Clutch Piston
- Intermediate One-Way Clutch
- Reverse Clutch
- Forward Clutch Cylinder
- Planetary Gear Support Assembly and Planetary One-Way Clutch
- Reverse Sun Gear
- Output Shaft and Direct Clutch Cylinder
- Torque Converter
- Torque Converter Cleaning And Inspection
- Torque Converter Flushing
- Torque Converter Leak Check
- Torque Converter Impeller to Pump Stator Interference Check
- Assembly
- Installation