Pontiac Grand Prix Service Manual page 142

STANDARD DIFFERENTIAL 4A-7
TYPES OF AXLES
Lock
Diff.
Code
Fig.
4A-4D
Grand Prix
-
Rear Axle Usage and
Identification
( I I ( I I
U
w
C
C C
2 2 2
0
3 3 3
>
.-
C
n n n
-
Rear
Gear
Ratio
Release
-
Transmission
0
z
U
.-
C
Type
Axle
Regular Duty
Medium Duty
Medium Duty
Heavy Duty
Axle
Shafts
Cold Extruded
Cold Extruded
Cold Extruded
Hot Forged
Engine
c'
0
Diff.
Asm.
2 Pinion Non-lock
4 Pinion Non-lock
4 Pinion Lock
4 Pinion Lock
TY ~e
Diff.
Standard
Standard
Safe-T-Track
Safe-T-Track
Diff.
Carrier
.
Gray l ron
Gray I r o n
Gray I r o n
Nodular I ron
Trailer
P r w .
-
A i r
Cond.
C o d e
Std.
Diff.