THM 440-T4 (4T60) – Automatic Transmission Service Group



THM 440-T4 (4T60) - Automatic Transmission Service Group PDF

INTRODUCTION THM 440-T4 (4T60)

This repair manual contains the general description, diagnosis and overhaul procedures necessary to repair, overhaul, or service the THM 440-T4 overdrive automatic transaxle.

The THM 440-T4 is a fully automatic front wheel drive transaxle. It provides Park, Reverse, Neutral and four forward speeds, with fourth gear being overdrive. Changing of the four forward gears is fully automatic, in relation to vehicle speed and throttle position. Vehicle Speed Signals (Governor), Throttle Position Signals (T.V. Cable), and Engine Torque Signals (Modulator) are constantly sent to the transaxle valve body to provide the proper gear ratio for maximum efficiency and performance at all throttle openings.

Applications:

  • 1988-1994 W-Body
  • 1986-1993 H-Body
  • 1985-1993 C-Body
  • 1984-1993 A-body
  • 1988-1990 Buick Riviera
  • 1988-1990 Buick Reatta
  • 1985-1990 Cadillac models

INDEX

  • RANGE REFERENCE CHART
  • OIL PRESSURE TEST
  • DIAGNOSTIC INFORMATION
  • UPDATED WIRING SCHEMATICS
  • COMPONENT OIL PASSAGE IDENTIFICATION (1985 HYDRAULICS)
  • COMPONENT OIL PASSAGE IDENTIFICATION (1985 1/2 HYDRAULICS)
  • TRANSAXLE DISASSEMBLY
  • TCC SCREEN LOCATION
  • CHANNEL PLATE CHECKBALL LOCATIONS
  • VALVE BODY CHECKBALL LOCATIONS
  • INSPECTION AND TRANSAXLE REASSEMBLY
  • END PLAY MEASUREMENT
  • SPEED SENSOR ROTOR TOOTH COUNT BY MODEL
  • TORQUE SPECIFICATIONS
  • SPECIAL TOOLS
  • 1985 VERSUS 1985 1/2 MODEL IDENTIFICATION

THM 440-T4 “UPDATE HANDBOOK” VOL.1
THM 440-T4 “UPDATE HANDBOOK” VOL.2

Language: English
Format: PDF
Pages: 104
Size: 4.49 Mb
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THM 440-T4 (4T60) – Automatic Transmission Service Group Online PDF