Chevrolet 1973 Overhaul Manual page 304

Powerglide Transmission............................................................... 7A-1
Turbo Hydra-Matic 350 Transm ission.................................... 7A-22
Turbo Hydra-Matic 375/400/475 Transmission................... 7A-59
Special Tools.................................................................................... 7A-118
Disassembly of Transmission.........................................7A-1
Extension, Governor and Governor Support......... 7A-1
Internal Components...................................................... 7A-3
Oil Pan and Valve Body..............................................7A-5
Overhauling Unit Assemblies........................................7A-5
Convertor and Stator..................................................... 7A-5
Oil Pump.............................................................................7A-5
Seal Replacement...........................................................7A-5
Disassembly.....................................................................7A-6
Inspection......................................................................... 7A-6
Assembly............................................................................7A-6
Governor Support Bushing Replacem ent................7A-10
Clutch D rum .....................................................................7A-11
Disassembly.....................................................................7A-11
Inspection.........................................................................7A-11
Bushing Replacement...................................................7A-11
Assembly...........................................................................7A-11
Low Band........................................................................... 7A-12
Planet Assembly and Input S haft.............................7A-12
Inspection.........................................................................7A-12
Repairs.............................................................................. 7A-12
Planet Carrier Assembly-Overhaul........................7A-12
G overnor............................................................................ 7A-14
Disassembly.....................................................................7A-14
Inspection......................................................................... 7A-15
DISASSEMBLY OF TRANSMISSION
1. Place transmission in Holding Fixture J-3289-01
and Adapters J-9506 (fig. 2PG).
NOTE: Cleanliness is an important factor in
the overhaul of the transmission. Before
attempting any disassembly operation, the
exterior of the case should be thoroughly
cleaned to prevent the possibility of dirt
entering the transmission internal mecha­
nism. During disassembly, all parts should be
thoroughly cleaned in cleaning fluid and then
SECTION 7 A
AUTOMATIC TRANSMISSION
CONTENTS OF THIS SECTION
POWERGLIDE
INDEX
Assembly............................................................................7A-15
Valve Body..........................................................................7A-16
Removal.............................................................................7A-16
Disassembly......................................................................7A-16
Inspection..........................................................................7A-16
Assembly............................................................................ 7A-16
Installation........................................................................7A-16
Vacuum M odulator.......................................................... 7A-16
Removal............................................................................. 7A-16
Inspection and Repairs.................................................7A-16
Installation........................................................................7A-16
Transmission C ase........................................................... 7A-16
Inspection.......................................................................... 7A-16
Repairs................................................................................7A-18
Rear Bushing Replacement......................................7A-18
Transmission Extension..................................................7A-18
Inspection.......................................................................... 7A-18
Repairs.............................................................................. .7A-18
Rear Bushing Replacm ent........................................7A-18
Assembly of Transmission.............................................. 7A-18
Internal Com ponents.......................................................7A-18
Extension, Governor and Governor Support......... 7A-20
Oil Pan and Valve Body.............................................. 7A-20
Low Band Adjustm ent......................................................7A-21
Throttle Valve Adjustm ent.............................................. 7A-21
air dried. W iping cloths or rags should not be
used to dry parts.
Do not use solvents which could
CAUTION:
damage rubber seals or clutch plate facings.
2. Remove converter holding tool previously installed
and remove converter assembly.
Extension, Governor and
Governor Support
3. If replacement is necessary, remove speedometer
driven gear. Loosen capscrew and retainer clip
OVERHAUL MANUAL