Buick LeSabre 1965 Service Manual page 367

REAR AXLE 6 - J
GROUP 6
REAR AXLE AND PROPELLER SHAFT
SECTIONS IN GROUP 6
Section Subject Page
6-A Rear Axle, 45000 Series 6-1
6-B Rear Axle, 46, 48 & 49000 Series. . 6-19
6-C Propeller Shaft, 45, 46, 48
& 49000 Series 6-42
SECTION 6 - A
REAR AXLE, 4 5 0 0 0 SERIES
CONTENTS OF SECTION 6-A
Paragraph Subject Page Paragraph Subject Page
6-1 Rear Axle Specifications 6-1 6-6 Assembly of Rear
6-2 Description of Rear Axle 6-2 Axle Assembly 6-9
6-3 Rear Axle Trouble 6-7 Description of Positive
Diagnosis 6-2 Traction Differential 6-14
6-4 Removal and Installation of 6-8 Lubrication of Positive
Rear Axle Assembly 6-6 Traction Differential 6-16
6-5 Disassembly of Rear 6-9 Positive Traction Differential
Axle Assembly 6-6 Service Procedures 6-16
6-1 REAR AXLE SPECIFICATIONS
Use a reliable torque wrench to tighten the parts listed, to insure proper tightening without straining or
distorting parts. These specifications are for clean and lightly lubricated threads only; dry or dirty threads
produce increased friction which prevents accurate measurement of tightness.
Part Location
Nut Rear Universal Joint to Pinion Flange
Bolt Differential Pinion Shaft Locking Bolt
Bolt Rear Axle Housing Cover to Carrier
Bolt & Nut Upper End of Shock Absorber to Rear Suspension Cross Member
Nut Brake Assembly to Rear Axle Housing
Bolt Ring Gear to Differential Case
Bolt Bearing Cap to Carrier
Nut Rear Wheel to Axle Shaft
Bolt & Nut Lower Control Arm to Axle Bracket
Bolt & Nut Upper Control Arm to Frame & Rear Axle Housing
Bolt & Nut Lower Control Arm to Frame Bracket
Nut Lower End of Shock Absorber to Lower Control Arm Axle Bracket
b. General Specifications
Item All Series
Rear Axle Type Semi-Floating Hypoid
Drive and Torque Through 4 Arms
Rear Axle Oil Capacity 2 1/2 pints
Ring and Pinion Gear Set Type Hypoid
Pinion Depth Setting + .0015 from marking on pinion
I
Thread
Size
5/16-18
5/16
5/16-18
5/16-18
3/8 -16
3/8 -24
7/16-14
7/16-14
1/2 -13
1/2 -13
1/2 -13
1/2 -20
Torque
ft. lbs.
15-18
20-28
25-35
12-24
45-60
50-60
40-60
55-75
20-30
65-90
65-90
30-60