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GROUP 3
REAR AXLE
CONTENTS
Page
Page
DESCRIPTION
.........................
1
SURE GRIP DIFFERENTIAL
. . . . . . . . . . . . . . . .
24
SERVICE DIAGNOSIS
. . . . . . . . . . . . . . . . . . .
2
SPECIFICATIONS
. . . . . . . . . .
(In Rear of Manual)
SERVICE PROCEDURES
. . . . . . . . . . . . . . . . . .
3
TIGHTENING REFERENCE
. . .
(In
Rear
of Manual)
DESCRIPTION
AR-1
,
AR-2, AP-1
,
AP-2 MODELS
The rear axle assembly AR-1, AR-2, AP-1, AP-2
Models (8.25" and 8.75" ring gear diameter) may be
divided into four subassemblies; axle drive shafts
with related parts, differential with drive gear, drive
pinion with carrier, and axle housing. It is not neces-
sary to remove the entire assembly to service any of
the above parts with the exception of the axle hous-
ing itself. (Fig. 1).
Gear ratio identification numbers are stamped on
the front face of the pad at the bottom of the carrier.
AV-1, AV-2 MODELS
The AV-1, AV-2 Model (7.25 Ring Gear Diameter
rear axle, has a housing of one-piece design. Due to
the integral type design, the drive pinion and the
differential case with drive gear are mounted directly
to the center (carrier) section of the housing assem-
bly. Access to the differential, drive gears and carrier
bearings is obtained by removal of the carrier cover.
Axle shafts and the pinion oil seal can be removed
without removing the assembly from the vehicle, but
the unit should be removed for any additional opera-
tions. (Fig. 2). The gear ratio identification numbers
are stamped on the bottom of the web on the right
side of the carrier. Refer to Page 15 for servicing
procedures.
BUMPER
HOUSING
ADJUSTER
OIL SEAL
1
SHAFT
/
/
,.r-.l.lrn
6/
COLLAR
I
CONE
OIL SEAL
K C I A I N C K
BOLT
GASKET
N E
cu
P
ka-
SHAFT
' \ ; L O C K W A S H E R
OIL SEAL
COLLAR
CARRIER AND CAP
FLANGE
R
ETA1 N E R
N K967
Fig.
I-Rear
Axle Assembly (Models AR-I
,
AR-2, AP-I
,
AP-2) (Disassembled)
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