Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2003WINDSTAR BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 452 (AUTOMATIC TRANSMISSION - 4R100)
2003 Ford Windstar Base
Section 452 (Automatic Transmission - 4R100)
2003 Ford Windstar BaseSECTION Section 452 (Automatic Transmission - 4R100)
WARNING: This page is about a different car, the 2004 Ford Econoline, 2004 Ford E450 Super Duty, and 2004 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Description & Operation
- Transmission Description
- Identification Tags
- Range Selection
- Shift Patterns
- Disassembled Views
- Bushings, Bearing & Thrust Washer Locator
- Seals, Rings & Gasket Locator
- Main Components & Functions
- Automatic Transmission - Sectional View
- Torque Converter
- Geartrain
- Input Shaft
- Output Shaft
- Overdrive System
- Center Support & Intermediate/Overdrive Clutch Cylinder
- Forward Drive System
- Forward Drive System Components
- Low & Reverse Drive System
- Apply Components
- One-Way Clutch-Overdrive
- One-Way Clutch Intermediate
- One-Way Clutch Low-Reverse
- Transmission Electronic Control System
- Electronic System Description
- Mass Air Flow (MAF) Sensor
- Throttle Position (TP) Sensor
- Intake Air Temperature (IAT) Sensor
- Powertrain Control Module (PCM)
- Transmission Control Switch (TCS), Transmission Control Indicator Lamp (TCIL)
- Transmission Solenoid Body Assembly
- Turbine Shaft Speed (TSS) Sensor
- Output Shaft Speed (OSS) Sensor - Gasoline Engines
- Transmission Fluid Temperature (TFT) Sensor
- Coast Clutch Solenoid (CCS)
- Torque Converter Clutch (TCC) Solenoid
- Electronic Pressure Control (EPC) Solenoid
- Shift Solenoids SSA & SSB
- Digital Transmission Range (TR) Sensor
- Brake Pedal Position (BPP) Switch
- Electronic Ignition (EI) System
- Distributor Ignition (DI) System
- Air Conditioning (A/C) Clutch
- Manifold Absolute Pressure (MAP) Sensor
- Diagnosis & Testing
- Notes
- Diagnostic Strategy
- Diagnostic Flow Chart
- Preliminary Inspection
- Notes
- Know/Understand the Concern
- Verification of Condition
- Determine Customer Concern
- Check Fluid Level & Condition
- Fluid Level Check
- High Fluid Level
- Low Fluid Level
- Adding Fluid
- Fluid Condition Check
- Road Testing Vehicle
- Shift Point Road Test
- Torque Converter Diagnosis
- Torque Converter Clutch Operation Test
- Visual Inspection
- Shift Linkage Check
- Check TSBs
- Carry out On-Board Diagnostics
- Diagnostics
- Notes
- On-Board Diagnostics with Diagnostic Tool
- Transmission Drive Cycle Test
- After On-Board Diagnostics
- Before Pinpoint Tests
- Diagnostic Trouble Code Chart
- P0781, P0731
- P0782, P0732, P0733
- P0783
- P0750
- P0753
- P0755
- P0758
- P0712
- P0713
- P1713
- P0743
- P0740
- P0705
- P0708
- P1702
- P1704
- P1705
- P1746
- P1747
- P1760
- P0715
- P0717
- P0718
- P0720
- P0721
- P0722
- P1754
- P1714
- P1715
- P1636
- P1740
- P1111
- P0340, P0341, P0344
- P0236
- P0235
- P0500, P1502
- P0503
- P0122
- P0123
- P1120
- P1460 P1463 P1464
- P0102, P0103, P1103, P1101
- P0107
- P0108
- P0730, P0751
- P1280
- P1281
- P0237
- P1124
- P1780
- P1711
- P1703
- P0741
- P1744
- Testing
- Pinpoint Test A: Shift Solenoids
- Pinpoint Test B: Transmission Fluid Temperature (TFT) Sensor
- Pinpoint Test C: Torque Converter Clutch (TCC) Solenoid
- Pinpoint Test D: Digital Transmission Range (TR) Sensor
- Pinpoint Test E: Electronic Pressure Control (EPC) Solenoid
- Pinpoint Test F: Turbine Shaft Speed (TSS) & Output Shaft Speed (OSS) Sensors
- Pinpoint Test G: Coast Clutch Solenoid (CCS)
- Pinpoint Test H: Solenoid Mechanical Failure
- Rotunda Transmission Tester
- Transmission Connector Layouts
- Pinpoint Tests
- Shift Solenoids Pre-Diagnosis
- Shift Solenoid Failure Mode Chart "Always Off"
- Shift Solenoid Failure Mode Chart "Always On"
- Special Testing Procedures
- Engine Idle Speed Check
- Line Pressure Test
- Stall Speed Test
- Air Pressure Tests
- Torque Converter Drainback Test
- Leakage Inspection
- Fluid Leakage in Torque Converter Area
- Leak Check Test
- Leak Check Test with Black Light
- Transmission Fluid Cooler
- Transmission Fluid Cooler Flow Test
- Diagnosis By Symptom
- General Procedures
- In-Vehicle Repair
- Notes
- Transmission Filler Tube
- Main Control Valve Body - Accumulator Body, Solenoid Body
- Turbine Shaft Speed (TSS) Sensor & Output Shaft Speed (OSS) Sensor
- Extension Housing Seal & Bushing
- Extension Housing Gasket
- Manual Control Lever Shaft & Seal
- Cooler Bypass Valve
- Digital Transmission Range (Tr) Sensor
- Intermediate Servo
- Park System
- Transmission Insulator & Retainer
- Pressure Control (Pc) Solenoid Valve
- Shift Solenoid Pressure Control A (SSPC-A)
- Shift Solenoid Pressure Control B (SSPC-B)
- Transmission Fluid Temperature (TFT) Sensor
- Removal
- Disassembly
- Disassembly & Assembly Of Subassemblies
- Main Control Valve Body-Disassembly & Assembly
- Main Control Valve Body-Solenoid Body Check
- Main Control Valve Body-Accumulator Body Check
- Pump Assembly
- Front Case Bushings
- Rear Case Bushings
- Cooler Bypass Valve Assembly
- Coast Clutch Assembly
- Overdrive Ring Gear & Center Shaft Assembly
- Intermediate/Overdrive Cylinder Assembly
- Center Support
- Forward Hub & Ring Gear
- Direct Clutch Assembly & Intermediate Brake Drum
- Forward Clutch Assembly
- Output Shaft
- Forward Planet Assembly
- Input Shell
- Reverse Planet Assembly
- Low One-Way Clutch Assembly
- Reverse Clutch Piston
- Assembly
- Installation
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.