Buick LeSabre 1965 Service Manual page 387

REAR AXLE, 46, 48, 49000 SERIES
6-21
AXLE
TYPE
AXLE
CODE
AXLE ASM.
NUMBER
RATIO
SERIES
PA
PB
1399885
1399884
3.07
49 AUTO. TRANS.
46-48 AUTO. TRANS.
STANOARD
DIFFERENTIAL
PC 1399883
3.42
46 SYNC. TRANS.
PD
1399893
S.CO. ALL SERIES SPECIAL ORDER AXLE RATIOS.
PN
PO
1399890
1399889
3.07
49 AUTO. TRANS.
4 6 - 4 8 AUTO. TRANS.
POSITIVE
TRACTION
DIFFERENTIAL
PP
PR
1399888 3.42
4 6 SYNC.
1399894 S.C.O. ALL SERIES SPECIAL ORDER AXLE RATIOS.
.50 DIA. APPROX.
ALL POSITIVE TRACTION DIFFERE
TO HAVE 0 STAMPED ON BOTTOM SIDE
OF CARRIER FLANGE FOR FIELD
IDENTIFICATION.
ALL AXLES TO HAVE RATIO, CODE a DATE
STAMPED ON BOTTOM OF HOUSING FOR
FIELD IDENTIFICATION.
SAMPLE MARKING FOR 3.07 RATIO
DATE JULY 22 WOULD BE . . .STANDARD
AXLES PA 203, POSITIVE FRACTION
® P N 203
SAMPLE MARKING S.CO. (SPECIAL CAR
ORDER) RATIO DATE JULY 22 WOULD BE
STANDARD AXLE 2.56-203, POSITIVE
TRACTION AXLE
® 2.56-203
The rear brake drum is mounted
against the axle shaft flange on
Fig. 6-44—Rear Axle Ratio Identification
bolts pressed through the inboard
side of the axle flange. Right and
left side wheel bolts both have
right hand threads.