Ford Falcon. Manual — part 52
205-02A-32
Rear Drive Axle / Differential — Beam Axle
205-02A-32
DISASSEMBLY AND ASSEMBLY (Continued)
Disassembly
1. Place one of the axle shafts, which was removed
from the assembly, into a vise. Tighten shaft in
vise firmly. The spline end of the shaft is not to
exceed 2.750" (69.85 mm) above the top of the
vise. This will prevent the shaft from fully entering
into the side gear and causing interference with
the step plate during disassembly of the pinion
mate gears, etc. Caution should be used that the
vise jaws do not locate on axle splines or any
machined surfaces.
Item
Description
1
Tool E6662 - LSD torque check
2
Axle shaft bearing
3
Differential assembly
4
Axle shaft
2. Place a few shop towels over vise to prevent any
damage during disassembly of ring gear:
Assemble the differential on the axle shaft with
the ring gear screw heads up. Assembling the
differential onto the shaft will serve as a holding
device to remove the ring gear and to
disassemble the internal parts of the case.
Remove the ring gear screws.
NOTE: LSD units that operate smoothly but with
excessively low torque should be checked as follows.
With the limited slip differential unit fully dismantled
examine the parts for wear and general condition. If
the components appear in good condition and the
cone surfaces have a mirror like finish, then the
following rework procedure should be followed. If the
cone surfaces are scored then the components
should be replaced and the normal set up procedure
followed as in the repair manual.
Limited Slip Differential — M86
Tool Kit #C-4487
Special Tool(s)
Tool Kit
C-4487
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205-02A-33
Rear Drive Axle / Differential — Beam Axle
205-02A-33
DISASSEMBLY AND ASSEMBLY (Continued)
3. Remove ring gear. It will be necessary to remove
6. It is recommended that when referring to the
the ring gear to allow clearance for the removal of
Trac-Lok, obtain the complete part number and
the cross pin. Tap ring gear with rawhide hammer
build date. To do this it will be necessary to wipe
to free it from case.
off the lubricant from the case.
NOTE: It is recommended that on spicer axles
7. Reposition differential case onto axle shaft as
whenever the ring gear screws are removed they
shown. Remove the two snap rings from the cross
are to be replaced with new ones.
pin. Use two screwdrivers and push the rings free
from the cross pin. Place a shop towel behind the
case to prevent the snap rings from flying out of
the case.
Snap Ring Retained Version
4. Remove differential case from the axle shaft and
remove ring gear.
5. All Spicer Trac-Loks are identified with a
manufacturing date and the complete part number
stamped on the barrel of the case. If the axle
8. For roll pin retainer version, use a small drift to
assembly is equipped with a Trac-Lok Limited Slip
remove the roll pin retaining the cross shaft.
Differential a special tag will be located on the
Roll Pin Retained Version
bottom right hand side of the cover plate
specifying the use of limited slip lubricant.
In this figure the Trac-Lok is identified with 0.125"
(3.17 nim) high numbers stamped on the case.
For example:
The number 1-21-77A is the manufacturing or
build date of the Trac-Lok and is interpreted
as follows. The first number is the month,
second number is the day of the month, third
number is the year, the letter is the shift. For
example: Jan. 21, 1977 first shift. The number
stamped above the manufacturing date is the
complete Trac-Lok assembly part number.
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205-02A-34
Rear Drive Axle / Differential — Beam Axle
205-02A-34
DISASSEMBLY AND ASSEMBLY (Continued)
9. Remove the cross pin. Use a hammer and punch
11. Lubricate threads of threaded adapter and forcing
as shown to remove the cross pin from the case.
screw.
10. Assemble the adapter plate into the bottom side
12. Assemble threaded adapter into top side gear.
gear. Apply a small amount of grease to the
Thread forcing screws into threaded adapter until
centering hole of the adapter plate. Tool
it becomes centered into adapter plate.
#C-4487-1 (adapter plate).
Use a small screwdriver, position it in slot of
threaded adapter. This will prevent the
adapter from turning. Tools #C-4487-3
(threaded adapter), C-4487-2 (forcing screw).
13. Torque forcing screw until it becomes slightly
tight. This will collapse the Belleville plates and
allow a loose condition between the side gears
and pinion mate gears.
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205-02A-35
Rear Drive Axle / Differential — Beam Axle
205-02A-35
DISASSEMBLY AND ASSEMBLY (Continued)
14. Remove both pinion mate spherical washers. Use 18. Remove top side gear and clutch pack. Keep the
a shim stock of .030" (.76 mm) thickness or an
stack of plates and discs intact in exactly the
equivalent tool to push out the spherical washers.
same position while they are being removed.
15. Relieve the tension of the Belleville springs by
loosening the forcing screw.
16. Insert small O.D. end of turning bar into cross pin
hole of case. Pull on bar and the case will rotate
until the pinion mate gears can be removed from
opening.
NOTE: It might be necessary to adjust the forcing
screw slightly to allow the case to rotate. Tool
#C-4487-4 (turning bar).
19. Remove the case from the axle shaft. Turn case
with the flange or ring gear side up and allow the
step plate, side gear and clutch pack to be
removed from the case. Remove the retainer clips
from both clutch packs to allow separation of the
plates and discs. Keep the stack of plates and
discs exactly as they were removed.
Assembly
1. Prior to assembly, prelubricate each disc and
17. Hold top clutch pack with one hand and remove
plate with Friction Modifier by presoaking for a
tools. It might be necessary to hold threaded
minimum of 20 minutes.
adapter with screwdriver.
2. After assembly into carrier housing, fill axle
assembly with the proper amount and specified
lubricant, refer to Specifications section.
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