Content

Forword

Automatic transmission (A/T) assembly description

• 4HP14 A/T assembly explode view
• Transmission Power transfer schematic
• Adjusting automatic transmission clearance
• Adjusting shift shaft clearance
• Adjusting output gear clearance
• Adjusting main rear output gear clearance
• Adjusting driven shaft clearance
• Adjusting clutch A clearance
• Adjusting central seat clearance
• Adjusting differential pretension
• Adjusting brake band pretension
• Adjusting throttle cable
• Special tool
• Transmission bolt tighten torque
• General inspection of transmission

Disassembling automatic transmission

• Disassembling assembly
• Removing band brake C
• Removing brake D
• Removing central seat, brake C and oil pump
• Removing clutch B and 2nd gear one-way overrun clutch
• Removing clutch A
• Removing clutch E
• Removing output shaft and 1st gear one-way overrun clutch
• Removing governor and speedmeter
• Removing transmission case and parking system

Assembling automatic transmission

• Installing transmission case and parking system·
• Installing band brake C’
• Installing brake D and 1st gear one-way overrun clutch
• Installing governor and driven shaft
• Installing planetary gear mechanism and main sub rear output gear
• Installing input shaft and clutch E assembly
• Installing clutch A assembly
• Installing clutch B and 2 nd gear one-way overrun clutch
• Installing centeral seat, oil pump and brake C assembly
• Insatlling differential and converter housing
• Installing speedmeter
• Installing control valve plate and torque converter

Appendix