Overhaul - ZF 4HP 22H/Eh & ZF 4HP 24-E

• Application
• Identification
• Description & Operation
  • Notes
  • Shift Modes
• Lubrication & Adjustments
• Trouble Shooting
  • Preliminary Inspection
  • Shift Lever In Position "P"
    • Park Will Not Engage Or Does Not Hold
    • Engine Cannot Be Started In "P"
  • Shift Lever In Position "R"
    • No Reverse Gear
    • Slipping Or Shaking When Starting Off
    • Hard Engaging Jolt "P"-"R" Or "N"-"R" Or Definite Double Knock For "P"-"R" Or "N"-"R" Shift (Engine Speeds At 1500 RPM Or Less)
    • Back-Up Lights Do Not Come On (Electrical System Okay)
  • Shift Lever In Position "N"
    • Car Moves Or Creeps
    • Engine Cannot Be Started In "N" Or "P"
  • Shift Lever In Position "D"
    • No Forward Gear Engagement
    • Slipping Or Shaking When Moving Off
    • Hard Engaging Jolt "N"-"D" (Engine Speeds At 1500 RPM Or Less)
    • No 1-2 Or 2-1 Shift (Warm Or Cold)
    • No 2-3 Or 3-2 Shift (Warm Or Cold)
    • No 3-4 Or 4-3 Shift (Warm Or Cold)
    • No 3-4 Shift (Warm Or Cold)
    • Car Starts Off In 2nd Gear
    • Car Starts Off In 3rd Gear
    • Car Shifts 1-3
  • Shift Points
    • No Load Shift Incorrect
    • Full Load Shift Points Incorrect
    • No Upshifts Or Downshifts
    • No Kickdown Shift
    • 1-2, 2-3 Or 3-4 Upshifts Too Long In "D"
  • Shift Transitions
    • No Load Shifts Too Hard
    • Full Load & Kickdown Shifts Too Long
    • Full Load & Kickdown Shifts Too Hard
    • No Transmission Shifts
  • Shift Lever In Position "3"
    • No Engine Braking
  • Shift Lever In Position "2"
    • Manual Downshift 3-2 Malfunction
    • No Engine Braking
  • Shift Lever In Position "1"
    • Manual Downshift 2-1 Malfunction
    • No Engine Braking
  • Torque Converter Clutch Operation
    • Torque Converter Engagement Not To Specification
    • Loud Noise When Torque Converter Lock-Up Clutch Applies-
    • Torque Converter Lock-Up Clutch Stays Engaged & Engine Will Not Idle With Transmission In "D"
    • Torque Converter Lock-Up Clutch Engagement Too Hard
    • No Torque Converter Lock-Up Clutch Engagement
  • Noise From Transmission
    • Loud Oil Pump Intake Noise
    • Noisy & No Gear Engagement After Long Trip
• Testing
  • Road Test
  • Torque Converter Stall Test
  • Hydraulic Pressure Test
  • Electronic Testing
    • Notes
    • Test No. 1 (Warning Light)
    • Test No. 2 (Solenoid Valves)
    • Test No. 3
    • Test No. 4 (Mode Position Switch)
    • Test No. 5 (Kickdown Switch)
    • Test No. 6 (Mode Position Switch)
    • Test No. 7 (Pulse Transmitter)
    • Test No. 8 (Dynamic Scope Test)
• Removal & Installation
  • Transmission
• Torque Converter
• Transmission Disassembly
  • Valve Body & Internal Components
• Component Disassembly & Reassembly
  • Primary (Oil) Pump
    • Disassembly
    • Inspection
    • Reassembly
  • Clutch "A"
    • Disassembly
    • Reassembly
  • Clutch "B"
    • Disassembly
    • Reassembly
  • Clutch "C" & "C1"
    • Notes
    • Disassembly
    • Reassembly
  • Clutch "D"
    • Disassembly
    • Reassembly
  • Front Planetary Gear Set
    • Disassembly
    • Reassembly
  • Clutch "E" & "F"
    • Disassembly
    • Reassembly
  • One-Way Clutch
    • Disassembly
    • Reassembly
  • Rear Planetary Gear
    • Disassembly
    • Reassembly
  • Valve Body
    • Disassembly Of Upper Valve Body
    • Cleaning & Inspection
    • Reassembly
    • Disassembly Of Upper Right Valve Body
    • Disassembly Of Rear Valve Body
    • Disassembly Of Front Valve Body
    • Disassembly & Inspection Of Divider Plate
    • Valve Body Reassembly
• Transmission Reassembly
• Torque Specifications
• Wiring Diagrams