Torque; Specifications; Transmission Identification - Pontiac TRANS AM 1977 Service Manual

TURBO HYDRA-MATIC 4 0 0 AUTOMATIC TRANSMISSION
7A4-75
SPECIFICATIONS
TRANSMISSION IDENTIFICATION
An identifying code is found on the serial number plate
of the Turbo Hydra-Matic 400 transmission
.
This plate is
located on the right side of the transmission case. just forward
of the governor
.
The serial numbers on these plates are all preceded by
either code letters PA. PB. PC. PD. OB or OC
.
The
application of each transmission code is as follows:
PA -301 cu
.
in
.
2 Bbl
.
engine. except California (G
Series)
.
PB
-350 cu
.
in., 4 Bbl
.
engine. except California (G
Series)
.
PC -400 cu
.
in., 4 Bbl
.
engine. except California (A and
G Series)
.
PD -400 cu
.
in
.
4 Bbl
.
engine with Police option (A
Series)
.
OB -350 cu
.
in., 4 Bbl
.
engine. California only (A Series)
.
OC -403 cu
.
in., 4 Bbl
.
engine. California only (A Series)
.
It is very important that any communications
concerning the Turbo Hydra-Matic 400 transmission always
contains the complete transmission serial number and the
vehicle identification number
.
All transmission parts
returned to Pontiac Motor Division must be tagged with the
transmission serial number
.
TORQUE
Flywheel Plate-to-Converter Bolts
....................................
30
.............................................................
Pump Cover Bolts 18
..............................................
Parking Pawl Bracket Bolts 18
................................. ..................
Center Support Bolt
. .
22
......................................
Pump-to-Case Attaching Bolts 18
...............................
Extension-to-Case Attaching Bolts 22
.....................................................
Rear Servo Cover Bolts 18
.........................................................
Detent Solenoid Bolts 8
...................................................
Control Valve Body Bolts 8
..........................................
Bottom Pan Attaching Screws 12
...................................................
Modulator Retainer Bolt 18
.......................................................
Governor Cover Bolts 18
.................................
Manual Lever-to-Manual Shaft Nut 20
..........................................
Linkage Swivel Clamp Screw 20
........................
Transmission-to-Engine Mounting Bolts 40
Rear Mount-to-Transmission Bolts (2)
............................
40
..................... .........
Rear Mount-to-Crossmember Bolt
. .
40
Frame-to-Crossmember Bolts (4)
........................... . . . .
35
..................................................................
Oil Cooler Line 28
...........................................................
Filter Retainer Bolt 10