Section 153 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Service, Diagnosis & Troubleshooting)
WARNING: This page is about a different car, the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Symptoms - Automatic Transmission
- Range Selector Displays Incorrect Range
- Transmission Fluid Checking
- Line Pressure Check
- Road Test
- Torque Converter Diagnosis
- Flexplate/Torque Converter Vibration Test
- Noise and Vibration Analysis
- Clutch Plate Diagnosis
- Engine Coolant/Water in Transmission
- Fluid Leak Diagnosis
- Case Porosity Repair
- Shift Solenoid Leak Test
- Automatic Transmission Oil Cooler Flushing and Flow Test (J 45096)
- Automatic Transmission Oil Cooler Flushing and Flow Test (J 35944-A)
- Transmission Overheats
- Oil Pressure High or Low
- Harsh Shifts
- Inaccurate Shift Points
- First Gear Range Only - No Upshift
- Slips in First Gear
- Slipping or Harsh 1-2 Shift
- No 2-3 Shift or 2-3 Shift Slips, Rough or Hunting
- Second/Third Gear Only or First/Fourth Gears Only
- No First or Second Gear/No Third or Fourth Gear
- No Second Gear, No Fourth Gear, and No Reverse Gear
- Third Gear Only
- 3-2 Flare or Tie-Up
- No 3-4 Shift, Slips or Rough 3-4 Shift
- No Reverse or Slips in Reverse
- No Part Throttle or Delayed Downshifts
- Harsh Garage Shift
- No Overrun Braking - Manual 3-2-1
- No Torque Converter Clutch Apply (300 RPM Slip)
- Torque Converter Clutch Shudder
- No Torque Converter Clutch Release
- Torque Converter Clutch Slip - 100 RPM Slip
- Torque Converter Clutch Slip with Stall/Stumble
- Torque Converter Clutch Intermittent - OK Cold/Slips Hot
- No Fourth Gear, or Slips in Fourth Gear
- Slip/Flare in Any Gear
- No Third Gear
- Drives in Neutral
- Second Gear Start
- No Park
- Oil Out the Vent
- Vibration in Reverse and Whining Noise in Park
- Ratcheting Noise
- Popping Noise
- Whine Noise Varying with RPM or Fluid Pressure
- Buzz Noise or High Frequency Rattle Sound
- Noise in Random Ranges
- No Drive in All Ranges
- No Drive in Drive Range
- Shift Lever Indicates Wrong Gear
- No Gear Selection
- Engine Starts in Gear
- Delay in Drive and Reverse
- Lack of Power or Hesitation