Transmission and Drivetrain: Technical Service Bulletins

• Recalls
  • Recall - Front Wheel Bearing Nut Retaining Key
    • Overview
    • Attachment I
    • Attachment II
    • Attachment III
    • Owner's Letter
  • Recall 89V109000: Front Hub Retainer Key Installation
• Customer Interest
  • Driveline - Vibration or Grease Leak
  • Driveline - Vibration Between At 25 And 50 MPH
  • A/T - A4LD Improper Kickdown Operation
  • M/T Clutch Housing - Fluid Inside
  • M/T Clutch - Growling/Clicking Noise
    • Overview
    • Inspection Procedure
    • 1992 and Prior Models - Hydraulic Line Replacement
    • 1993 Ranger With 2.3L - Hydraulic Line Replacement
    • Bench Bleed Procedure
    • Final Inspection
  • A/T - Shift Selector Indicates Incorrect Gear
  • M/T - M50D Hard Shift Condition
  • M/T - Crunching Shifting From 2nd to 3rd Gear
  • A/T - Torque Converter Slip/DTC 628/P0741 Set
• By Symptom
  • Abnormal wear/deterioration
    • Driveline - Vibration or Grease Leak
    • A/T - A4LD Premature Converter Bushing Failure
    • A/T - Pump Damage After Overhaul
    • M/T - M50D Hard Shift Condition
  • Customer Interest
    • Driveline - Vibration or Grease Leak
    • Driveline - Vibration Between At 25 And 50 MPH
    • A/T - A4LD Improper Kickdown Operation
    • M/T Clutch Housing - Fluid Inside
    • M/T Clutch - Growling/Clicking Noise
      • Overview
      • Inspection Procedure
      • 1992 and Prior Models - Hydraulic Line Replacement
      • 1993 Ranger With 2.3L - Hydraulic Line Replacement
      • Bench Bleed Procedure
      • Final Inspection
    • A/T - Shift Selector Indicates Incorrect Gear
    • M/T - M50D Hard Shift Condition
    • M/T - Crunching Shifting From 2nd to 3rd Gear
    • A/T - Torque Converter Slip/DTC 628/P0741 Set
  • Erratic Shifting
    • A/T - A4LD Improper Kickdown Operation
    • A/T - A4LD Erratic Shifting/Fluid Leakage
    • A/T - A4LD Erratic or No 3-4 Upshift
    • A/T - E40D Second Gear Starts
    • A/T - Direct Clutch Failure/Erratic Reverse Engagement1
  • Hard Shifting
    • A/T - A4LD No Upshift/Restricted Modulator
  • Hard shifting/Stiff clutch
    • M/T - M50D Hard Shift Condition
  • Incorrect gear selection
    • A/T - Shift Selector Indicates Incorrect Gear
  • Leaks
    • Driveline - Vibration or Grease Leak
    • M/T Clutch Housing - Fluid Inside
    • A/T - A4LD Erratic Shifting/Fluid Leakage
    • A/T - A4LD Front Seal Blow Out
  • No shift/Incorrect gear engagement
    • A/T - A4LD Erratic or No 3-4 Upshift
    • A/T - A4LD Slipping or Soft Shifts After Rebuild
    • A/T - Slips or No 3 or Reverse, 2-3 Flare
    • A/T - A4LD No Reverse After Rebuild
    • A/T - A4LD No Movement After Rebuild
    • A/T - A4LD No 4th Gear
      • Overview
      • Steps 2 Through 5
      • Step 6 Quick Test the Transmission:
    • A/T - A4LD No Reverse
    • A/T - A4LD 4-3 Gear Flare, No Engagement in O/D
    • A/T - C3 Slipping or No Drive Condition
    • A/T - A4LD No 4th Gear/Overdrive Planetary Carrier
    • A/T - Direct Clutch Failure/Erratic Reverse Engagement1
  • Noise
    • Driveline - Vibration Between At 25 And 50 MPH
    • M/T Clutch - Growling/Clicking Noise
      • Overview
      • Inspection Procedure
      • 1992 and Prior Models - Hydraulic Line Replacement
      • 1993 Ranger With 2.3L - Hydraulic Line Replacement
      • Bench Bleed Procedure
      • Final Inspection
    • M/T - Crunching Shifting From 2nd to 3rd Gear
  • Pops out of gear
    • M/T - M50D Hard Shift Condition
  • Recalls
    • Recall - Front Wheel Bearing Nut Retaining Key
      • Overview
      • Attachment I
      • Attachment II
      • Attachment III
      • Owner's Letter
    • Recall 89V109000: Front Hub Retainer Key Installation
  • Slipping
    • A/T - Slips or No 3 or Reverse, 2-3 Flare
    • A/T - A4LD 4-3 Gear Flare, No Engagement in O/D
    • A/T - C3 Slipping or No Drive Condition
    • A/T - Slipping or No-Shift/Metal Sealing Rings
    • A/T - A4LD Slipping Under Acceleration
    • A/T - Torque Converter Slip/DTC 628/P0741 Set
  • Vibration
    • Driveline - Vibration or Grease Leak
    • Driveline - Vibration Between At 25 And 50 MPH
• All Technical Service Bulletins
  • Adhesives and Sealants - Availability and Usage
  • Recall - Front Wheel Bearing Nut Retaining Key
    • Overview
    • Attachment I
    • Attachment II
    • Attachment III
    • Owner's Letter
  • Lug Nuts - Proper Torqueing Procedure
  • Driveline - Vibration or Grease Leak
  • Driveline - Vibration Between At 25 And 50 MPH
  • Torque Converter - Cleaning and Replacement Guidelines
    • Overview
    • Diagnostic Procedure
    • Service Procedure
      • Replacement
      • Torque Converter & Transmission Cooling System Cleaning
  • A/T Torque Converter - Leak Test Procedure
  • A/T - A4LD Improper Kickdown Operation
  • M/T Clutch Housing - Fluid Inside
  • M/T Clutch - Growling/Clicking Noise
    • Overview
    • Inspection Procedure
    • 1992 and Prior Models - Hydraulic Line Replacement
    • 1993 Ranger With 2.3L - Hydraulic Line Replacement
    • Bench Bleed Procedure
    • Final Inspection
  • Front Drive Axle - Identification Tags
  • Automatic Hublock - Diagnosis/Service Tips
  • Recall 89V109000: Front Hub Retainer Key Installation
  • A/T - A4LD/4R44E/5R55E New Center Support
  • A/T - A4LD Converter Channel Spring Addition
  • A/T - New Rotunda Fluid Changer Service Tip
  • A/T - In Line Fluid Filter Kit
    • Overview
    • Service Procedure
  • A/T - Transmission Flush and Fill Tool Available
  • A/T - A4LD Front Oil Pump-To-Converter Housing Bolts
  • A/T - A4LD Erratic Shifting/Fluid Leakage
  • A/T - A4LD Erratic or No 3-4 Upshift
  • A/T - A4LD Slipping or Soft Shifts After Rebuild
  • A/T - A4LD Front Seal Blow Out
  • A/T - Engine Vacuum Testing
  • A/T - Slips or No 3 or Reverse, 2-3 Flare
  • A/T - A4LD No Reverse After Rebuild
  • A/T - A4LD No Movement After Rebuild
  • A/T - How To Use A Pressure Gauge
  • A/T - EEC Trouble Codes
  • A/T - Diagnostic Trouble Codes for 1983-1992
  • A/T - A4LD No 4th Gear
    • Overview
    • Steps 2 Through 5
    • Step 6 Quick Test the Transmission:
  • A/T - A4LD No Reverse
  • A/T - A4LD 4-3 Gear Flare, No Engagement in O/D
  • A/T - A4LD Premature Converter Bushing Failure
  • A/T - Pump Damage After Overhaul
  • A/T - Binding Condition In Park
  • A/T - E40D Second Gear Starts
  • A/T - A4LD Cooler Line Fittings
  • A/T - A4LD Bellhousing and Pump Interchange
  • A/T - A4LD, 4R44E/4R55E Pump Interchangeability
  • A/T - A4LD Support Ring Identification
  • A/T - C3 Slipping or No Drive Condition
  • A/T - A4LD/C3 Front Pump Support Inspection
  • A/T - Slipping or No-Shift/Metal Sealing Rings
  • A/T - A4LD No 4th Gear/Overdrive Planetary Carrier
  • A/T - Front Bushing Wear
  • A/T - A4LD Slipping Under Acceleration
  • A/T - A4LD No Upshift/Restricted Modulator
  • A/T - A4LD Loose Fitting Valve In Valve Body
  • A/T - A4LD Valve Body and Filter Change
  • A/T - Direct Clutch Failure/Erratic Reverse Engagement1
  • A/T - A4LD Valve Body Design Change
  • A/T - A4LD Overdrive Sun Gear Support Inspection
  • A/T - A4LD Delay In Reverse/Occasional No-Reverse
  • A/T - Math Formulas Part I
    • Overview
    • Shift Speed and Pressure
    • Speedometer Ratios
  • A/T - Twenty Steps To Successful Repairs
  • A/T - Math Part II
  • A/T - Choosing the Right ATF
  • M/T Assembly Procedure - Revision
  • A/T - Shift Selector Indicates Incorrect Gear
  • Center Bearing Support - Service Procedure
  • Drivetrain - Lubricant Usage
  • M/T M5OD Reverse Gear Installation - Revision
  • M/T - M50D Hard Shift Condition
  • M/T - Crunching Shifting From 2nd to 3rd Gear
  • A/T - A4LD Output Shaft Snap Ring and Application
  • A/T - Torque Converter Slip/DTC 628/P0741 Set