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TURBO HYDRA-MATIC 4 0 0 AUTOMATIC TRANSMISSION
7 A4- 1
SECTION 7 A 4
TURBO HYDRA-MATIC 400 AUTOMATIC
TRANSMISSION
CONTENTS OF THIS SECTION
General Description
...............................................
7A4-2
Planetary Gear Train
..........................................
7A4-3
I
.
Preliminary Checking Procedure
.......................
7A4-3
I1
.
Specific Transmission Malfunctions
.................
7A4-7
111
.
Causes of Transmission Malfunctions
............
7A4-7
Periodic Service Recommendations
Towing
................................................................
7A4-20
Transmission Fluid
...........................................
7A4-20
On Car Service
....................................................
7A4-20
Column Shift Controls
.......................................
7A4-20
Console Shift Controls
........................................
7A4-20
Downshift Control Switch
..................................
7 ~ 4 - 2 0
Neutralizer Switch
..............................................
7 ~ 4 - 2 0
Transmission Fluid
.............................................
7A4-20
Pressure Regulator Valve
...................................
7A4-22'
Units or Parts Readily Removeable From
Transmission
...................................................
7A4-22
Units or Parts Readily Removeable After Oil
Pan Removal
...................................................
7A4-22
Unit Repair
.............................................................
7A4-24
Remove Transmission
.........................................
7A4-24
Converter and Modulator
...................................
7A4-24
Governor. Speedometer Driven
Gear. Pan.
Filter and Intake Pipe
....................................
7A4-24
Pressure Switch. Control Valve
Assembly. Governor Screen Assembly.
Electrical Connector. Governor Pipes
and Detent Spring Assembly
..........................
7A4-25
Rear Servo. Valve Body
Spacer. Gasket and Front Servo
....................
7A4-26
Rear Oil Seal and Case
Extension
.........................................................
7A4-27
Front End Play Checking Procedure
................
7A4-28
Oil Pump
............................................................
7A4-28
Disassembly of Gear Unit
..................................
7A4-30
Overhaul of Major Units
Governor Assembly
...........................................
7A4-37
Front Servo
........................................................
7A4-38
Rear Servo
........................................................
7A4-38
Control Valve Assembly
......................
. .
..........
7A4-40
Oil Pump
............................................................
7A4-42
Forward Clutch
.................................................
7A4-44
Direct Clutch and Intermediate Roller
.............
7A4-46
Center Support
....................................................
7A4-5 1
Inspection of Major Units
Reaction Carrier. Roller
Clutch and Output Carrier Assembly
............
7A4-55
Output Shaft
.......................................................
7A4-56
Rear Internal Gear
.............................................
7A4-57
Sun Gear
.........................................................
7A4-57
Sun Gear Shaft
.................................................
7A4-57
Mainshaft
.........................................................
7A4-57
Front and Rear Bands
........................................
7A4-57
Case Extension
....................................................
7A4-57
Modulator and Valve
.........................
. .
............
7A4-57
Manual and Parking Linkage
.............................
7A4-58
Case Assembly
....................................................
7A4-58
Converter
...........................................................
7A4-59
Reassembly and Installation of Transmission
............................................................
Rear Unit
7A4-6 1
.......
Assembly of Units into Transmission Case
7A4-62
...................................
Case Extension Assembly
7A4-66
Check Balls. Control Valve
Spacer Plate & Gasket. Detent Solenoid.
Front Servo Assembly and Electrical
Connector
.......................
. .
.............................
7A4-67
Rear Servo Assembly
.........................................
7A4-71
Control Valve Assembly.
Governor Pipes and Screen Assembly
...........
7A4-71
Filter and Intake Pipe
........................................
7A4-72
Modulator Valve and
.........................................
Vacuum Modulator
7A4-73
.............................................................
Governor
7A4-73
..................................
Speedometer Driven Gear
7A4-74
Converter Assembly
............................................
7A4-74
Transmission Assembly
....................................
7A4-74
Specifications
Transmission Identification
................................
7A4-75
Torque
.................................................................
7A4-75
...........................................................
Special Tools
7A4-76
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