Powertrain Management: Technical Service Bulletins

• Recalls
  • Recall - Fuel Tank Flange
    • Description
    • Parts
    • Service Procedure
      • A. Inspect Fuel Tank Flange
      • B. Bend Fuel Tank Flange
    • Completion Reporting and Reimbursement
    • Owner Letter
  • Recall 92V147000: Damaged Fuel Tank Mounting Straps
• Customer Interest
  • Fuel Pump - High Pitched Noise
  • Fuel Pump - Noise/Engine Power Loss
    • Overview
    • Symptom/Condition
    • Repair Procedure
  • Converter Clutch - Vehicle Shudder on Lock Up
  • A/T - 41TE/AE 42LE Delayed Gear Engagement
    • Overview
    • Symptom/Condition
    • Diagnosis
    • Item 1 DTC 35 Loss of Prime
    • Item 2 L - R Inner and Outer Seals
    • Item 3 UD Inner Lip Seal
    • Item 4 General Seal Statement
    • Item 5 Measuring # 1 Check Ball Clearance
    • Item 6 PRNDL Switch (Non TRS)
    • Item 7 Output Speed Sensor
  • A/T - Ratcheting Sound When Coming To Stop
  • PCM - Deceleration Shudder At Low Engine Speeds
  • PCM - Engine Knock on Acceleration
  • PCM - Rough Engine Idle After Cold Start
  • BCM/Instruments/Warning Lamps - Inoperative
  • Door Ajar Lamp - Flickers/Locks Cycle Repeatedly
  • PCM - Cold Engine Knock
  • A/T - 41TE Harsh 2-1 Gear Downshift
  • A/T - 41TE Harsh 2nd - 1st Gear Downshift
  • Speed Control - Intermittent Dropout/Disengagement
  • A/T - Poor Shift Quality
    • Overview
    • Diagnosis
    • Repair Procedure No. 1
    • Repair Procedure No. 2
  • ECT Sensor - Hard/No Start In Low Ambient Temperatures
  • Speed Sensor - Intermittent Loss of Cruise Control
  • A/T - 41TE and 42LE Whistling Noise At Idle
  • Spark Advance - Adjustment Procedure
• By Symptom
  • Abnormal wear/deterioration
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
  • Chattering
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
  • Customer Interest
    • Fuel Pump - High Pitched Noise
    • Fuel Pump - Noise/Engine Power Loss
      • Overview
      • Symptom/Condition
      • Repair Procedure
    • Converter Clutch - Vehicle Shudder on Lock Up
    • A/T - 41TE/AE 42LE Delayed Gear Engagement
      • Overview
      • Symptom/Condition
      • Diagnosis
      • Item 1 DTC 35 Loss of Prime
      • Item 2 L - R Inner and Outer Seals
      • Item 3 UD Inner Lip Seal
      • Item 4 General Seal Statement
      • Item 5 Measuring # 1 Check Ball Clearance
      • Item 6 PRNDL Switch (Non TRS)
      • Item 7 Output Speed Sensor
    • A/T - Ratcheting Sound When Coming To Stop
    • PCM - Deceleration Shudder At Low Engine Speeds
    • PCM - Engine Knock on Acceleration
    • PCM - Rough Engine Idle After Cold Start
    • BCM/Instruments/Warning Lamps - Inoperative
    • Door Ajar Lamp - Flickers/Locks Cycle Repeatedly
    • PCM - Cold Engine Knock
    • A/T - 41TE Harsh 2-1 Gear Downshift
    • A/T - 41TE Harsh 2nd - 1st Gear Downshift
    • Speed Control - Intermittent Dropout/Disengagement
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
    • ECT Sensor - Hard/No Start In Low Ambient Temperatures
    • Speed Sensor - Intermittent Loss of Cruise Control
    • A/T - 41TE and 42LE Whistling Noise At Idle
    • Spark Advance - Adjustment Procedure
  • Driveability
    • Fuel Pump - Noise/Engine Power Loss
      • Overview
      • Symptom/Condition
      • Repair Procedure
    • PCM - Deceleration Shudder At Low Engine Speeds
  • Erratic Operation
    • BCM/Instruments/Warning Lamps - Inoperative
    • Speed Control - Intermittent Dropout/Disengagement
    • Speed Sensor - Intermittent Loss of Cruise Control
  • Erratic Shifting
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
  • Hard Shifting
    • A/T - 41TE Harsh 2-1 Gear Downshift
    • A/T - 41TE Harsh 2nd - 1st Gear Downshift
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
  • Inoperative
    • BCM/Instruments/Warning Lamps - Inoperative
    • Speed Control - Intermittent Dropout/Disengagement
  • No shift/Incorrect gear engagement
    • A/T - 41TE/AE 42LE Delayed Gear Engagement
      • Overview
      • Symptom/Condition
      • Diagnosis
      • Item 1 DTC 35 Loss of Prime
      • Item 2 L - R Inner and Outer Seals
      • Item 3 UD Inner Lip Seal
      • Item 4 General Seal Statement
      • Item 5 Measuring # 1 Check Ball Clearance
      • Item 6 PRNDL Switch (Non TRS)
      • Item 7 Output Speed Sensor
  • Noise
    • Fuel Pump - High Pitched Noise
    • PCM - Engine Knock on Acceleration
    • PCM - Cold Engine Knock
    • A/T - 41TE and 42LE Whistling Noise At Idle
    • Spark Advance - Adjustment Procedure
  • Poor performance
    • Fuel Pump - Noise/Engine Power Loss
      • Overview
      • Symptom/Condition
      • Repair Procedure
  • Recalls
    • Recall - Fuel Tank Flange
      • Description
      • Parts
      • Service Procedure
        • A. Inspect Fuel Tank Flange
        • B. Bend Fuel Tank Flange
      • Completion Reporting and Reimbursement
      • Owner Letter
    • Recall 92V147000: Damaged Fuel Tank Mounting Straps
  • Vibration
    • Converter Clutch - Vehicle Shudder on Lock Up
• All Technical Service Bulletins
  • Idle Air Control Motor - Whistling Noise
  • Fuel Pump and Filter - Replacement Information
  • Fuel Pump Module - Wiring Connector
  • Fuel Pump - High Pitched Noise
  • Fuel Pump - Noise/Engine Power Loss
    • Overview
    • Symptom/Condition
    • Repair Procedure
  • A/C - Evaporator Freezes Up/Lack Of Cooling
  • Engine - Noise Diagnosis
  • Converter Clutch - Vehicle Shudder on Lock Up
  • A/T - 41TE/AE 42LE Delayed Gear Engagement
    • Overview
    • Symptom/Condition
    • Diagnosis
    • Item 1 DTC 35 Loss of Prime
    • Item 2 L - R Inner and Outer Seals
    • Item 3 UD Inner Lip Seal
    • Item 4 General Seal Statement
    • Item 5 Measuring # 1 Check Ball Clearance
    • Item 6 PRNDL Switch (Non TRS)
    • Item 7 Output Speed Sensor
  • A/T - Ratcheting Sound When Coming To Stop
  • PCM - Deceleration Shudder At Low Engine Speeds
  • PCM - Engine Knock on Acceleration
  • PCM - Rough Engine Idle After Cold Start
  • BCM/Instruments/Warning Lamps - Inoperative
  • Door Ajar Lamp - Flickers/Locks Cycle Repeatedly
  • PCM - Cold Engine Knock
  • Engine Controls - Flash Programming Failure Recovery
    • Overview
    • Connected/Disconnected Flash Mode Using TechCONNECT
    • Pay Attention While Performing Flash Reprogram Procedures
    • Error Messages
    • Enhanced and Original Abort Recovery
    • Enhanced Abort Recovery Screens
    • Original Abort Recovery Screen
    • Programmable Modules
    • Powertrain Modules - Engine and Transmission
  • Recall - Fuel Tank Flange
    • Description
    • Parts
    • Service Procedure
      • A. Inspect Fuel Tank Flange
      • B. Bend Fuel Tank Flange
    • Completion Reporting and Reimbursement
    • Owner Letter
  • Recall 92V147000: Damaged Fuel Tank Mounting Straps
  • Fuel Tank - Slow To Fill
  • A/T - 41TE Harsh 2-1 Gear Downshift
  • A/T - 41TE Harsh 2nd - 1st Gear Downshift
  • Speed Control - Intermittent Dropout/Disengagement
  • A/T - Poor Shift Quality
    • Overview
    • Diagnosis
    • Repair Procedure No. 1
    • Repair Procedure No. 2
  • Body Code Identification
  • Auto Computers - Y2K Effects
  • A/T - Clutch Volume Index QuIck Learn
  • Transmission Range Sensor - Production Change
  • ECT Sensor - Hard/No Start In Low Ambient Temperatures
  • Speed Sensor - Intermittent Loss of Cruise Control
  • A/T - 41TE and 42LE Whistling Noise At Idle
  • Spark Advance - Adjustment Procedure