Transmission and Drivetrain: Technical Service Bulletins

• Customer Interest
  • A/T Cooler - Fluid Leaks at Radiator
  • Driveline - Whining Noise On Coastdown
  • M/T - Hard To Shift Into 1st or Reverse When Stopped
  • Speedometer Defective,, 4X4 Lamp ON, DTCs P1635/P1639
  • A/T - 4R70W TCIL ON/Code P0782/Delayed/No 2-3 Upshift
  • A/T - 4R70W TCIL/MIL ON/Trouble Codes Stored
  • A/T - Inadvertent Shift Interlock Disabling
  • A/T - 4R70W Clunk Noise on 2nd to 1st Gear Downshift
  • M/T - T45 Stuck In Reverse/Pops Out Of Reverse
• By Symptom
  • Customer Interest
    • A/T Cooler - Fluid Leaks at Radiator
    • Driveline - Whining Noise On Coastdown
    • M/T - Hard To Shift Into 1st or Reverse When Stopped
    • Speedometer Defective,, 4X4 Lamp ON, DTCs P1635/P1639
    • A/T - 4R70W TCIL ON/Code P0782/Delayed/No 2-3 Upshift
    • A/T - 4R70W TCIL/MIL ON/Trouble Codes Stored
    • A/T - Inadvertent Shift Interlock Disabling
    • A/T - 4R70W Clunk Noise on 2nd to 1st Gear Downshift
    • M/T - T45 Stuck In Reverse/Pops Out Of Reverse
  • Erratic Operation
    • A/T - Inadvertent Shift Interlock Disabling
  • False instrument warning light/gauges
    • Speedometer Defective,, 4X4 Lamp ON, DTCs P1635/P1639
    • A/T - 4R70W TCIL/MIL ON/Trouble Codes Stored
  • Hard shifting/Stiff clutch
    • M/T - Hard To Shift Into 1st or Reverse When Stopped
    • M/T - T45 Stuck In Reverse/Pops Out Of Reverse
  • Inoperative
    • Speedometer Defective,, 4X4 Lamp ON, DTCs P1635/P1639
  • Leaks
    • A/T Cooler - Fluid Leaks at Radiator
  • Loose
    • A/T - 4R70W TCIL/MIL ON/Trouble Codes Stored
  • No shift/Incorrect gear engagement
    • A/T - 4R70W TCIL ON/Code P0782/Delayed/No 2-3 Upshift
  • Noise
    • Driveline - Whining Noise On Coastdown
    • A/T - 4R70W Clunk Noise on 2nd to 1st Gear Downshift
  • Pops out of gear
    • M/T - T45 Stuck In Reverse/Pops Out Of Reverse
  • Slipping
    • A/T - 4R70W TCIL ON/Code P0782/Delayed/No 2-3 Upshift
  • Sticking/Binding
    • M/T - T45 Stuck In Reverse/Pops Out Of Reverse
• All Technical Service Bulletins
  • A/T Cooler - Fluid Leaks at Radiator
  • Driveline - Whining Noise On Coastdown
  • A/T - Cooler Flushing Service Tips
  • Clutch Pedal - Vibration Heard or Felt
    • Overview
    • Service Procedure
  • M/T - Hard To Shift Into 1st or Reverse When Stopped
  • Speedometer Defective,, 4X4 Lamp ON, DTCs P1635/P1639
  • A/T - 4R70W TCIL ON/Code P0782/Delayed/No 2-3 Upshift
  • A/T - 4R70W TCIL/MIL ON/Trouble Codes Stored
  • A/T - Cold Fluid Level Checking
  • A/T - In Line Fluid Filter Kit
    • Overview
    • Service Procedure
  • A/T - Transmission Flush and Fill Tool Available
  • A/T - Inadvertent Shift Interlock Disabling
  • A/T - 4R70W Clunk Noise on 2nd to 1st Gear Downshift
  • M/T - T45 Stuck In Reverse/Pops Out Of Reverse
  • A/T - 4R70W Needle Bearing/Race Kit Service Tip
  • M/T - Mercon(R) V ATF Usage Information
  • Comprehensive Noise/Vibration/Harshness Procedure
    • Overview
    • Description and Operation
      • Noise, Vibration and Harshness (NVH)
      • Acceptable Noise, Vibration and Harshness
      • Diagnostic Theory
      • Diagnostic Process
      • Glossary of Terms
      • Tools and Techniques
    • Diagnosis and Testing
      • Overview
      • Diagnostic Process
      • 1. Customer Interview
      • 2. Pre-Drive Check
      • 3. Preparing For the Road Test
      • 4. Verify the Customer Concern
      • 5. Road Test
      • 6. Check OASIS/TSBs/Repair History
      • 7. Diagnostic Procedure
      • NVH Condition and Symptom Categories
        • Operating Condition - Vehicle Is Not Moving
        • Operating Condition - Vehicle Is Moving
      • Symptom Charts
        • Air Leak and Wind Noise
        • Brake Noise/Vibration
        • Driveline Noise/Vibration
        • Engine Noise/Vibration
        • Idle Noise/Vibration
        • Squeak and Rattle
        • Steering Noise/Vibration
        • Suspension Noise/Vibration
        • Tire Noise/Vibration
        • Transmission (Manual) & Transfer Case Noise/Vibration
        • Transmission (Automatic) Noise/Vibration
      • Pinpoint Tests
        • Overview
        • Pinpoint Test A: Brake Vibration/Shudder Diagnosis
        • Pinpoint Test B: Engine Ticking Noise Diagnosis
        • Pinpoint Test C:Front ENG. ACC. Drive (Fead) Bearing Hoot Diag.
        • Pinpoint Test D: Power Steering Moan Diagnosis
        • Pinpoint Test E: Engine Driven Cooling Fan Moan Diagnosis
        • Pinpoint Test F: Drumming Noise Diagnosis
        • Pinpoint Test G: Engine Ticking, Knock/Continuous Rattle Diag.
        • Pinpoint Test H: Front Suspension Noise Diagnosis
        • Pinpoint Test I: Rear Suspension Noise Diagnosis
        • Pinpoint Test J: Wheel and Tire Diagnosis
        • Pinpoint Test K: High Speed Shake or Shimmy Diagnosis
        • Pinpoint Test L: Clutch Vibration
        • Pinpoint Test M: Transfer Case Vibration
      • Component Tests
        • Idle Speed Air Control Valve (ISACV)
        • Steering Gear Grunt/Shudder Test
        • Checking Tooth Contact Pattern/Condition of Ring & Pinion
      • Tire Wear Patterns & Frequency Calculations
        • Overview
        • Tire Wear Chart
        • Tire Speed and Frequency Chart
    • General Procedures
      • Powertrain/Drivetrain Mount Neutralizing
      • Exhaust System Neutralizing
      • Wheel Bearing Check