Opel 1900 1973 Service Manual page 241

1973 OPEL SERVICE MANUAL
Figure 48-Z Removing Rear Axle Assembly
an equiva/entpart ifreplacement becomes necessary.
Do not use a replacement part of lesser quality or
substitute design. Torque values must be used as
specified during reassembly to assure proper reten-
tion of these parts.
1. Roll rear axle assembly under car on floor jack and
loosely attach lower control arms to rear axle hous-
ing.
2. Attach central joint support, to underbody with
bolts only finger tight.
3. Lower rear axle assembly, install lower damper
rings in spring seats, coil springs and upper damper
rings on springs. Make certain the damper rings and
springs are properly positioned.
4. Install track rod on axle housing.
5. On Opel 1900 and Manta, place a load of approxi-
mately 350 Ibs. in luggage conipartment or on the
GT, place a load of approximately 150 lbs. on drivers
seat and raise rear axle far enough for underbody to
clear jack stands.
6. Torque central joint support t$ underbody bolts to
36 lb.ft.
7. Torque lower control arm to Axle housing bolts to
18 Ib.ft. on the GT and 22 lb.ft. dn the Opel 1900 and
Manta.
8. Torque track rod to rear axle attaching nut to 40
lb.ft. on the GT and to 76 lb.ft. on the Opel 1900 and
Manta and remove added weight.
9. Install shock abosrbers and tighten nuts to 15 Ib.ft.
the GT and to 47 Ib.ft. on the Opel 1900 and
Manta.
10. If car is equipped with stabilizer rod, connect
shackles to axle housing. Tighten to 25 lb. ft.
11. Connect brake hose to brake pipe and install
retaining clip.
12. Thread parking brake cable over exhaust system
and connect to lower control arm brackets, parking
brake actuating lever and brake backing plate. Install
brake drum.
13. Align mating marks and connect propeller shaft
to pinion flange. Tighten universal joint attaching
bolts to 11 Ib.ft. Bend respective lock plate tabs to
secure nuts or bolts.
14. Connect parking brake cable equalizer and return
spring to brake rod and adjust to specifications.
15. Bleed rear brake system and fill master cylinder.
16. Install wheel assemblies and tighten lug nuts to
65 lb.ft.
17. Remove jack stands and lower car to the floor.
REMOVAL AND INSTALLATION OF AXLE SHAFT
ASSEMBLY
Removal
1. Raise and support rear of car at jack brackets.
2. Remove wheel and brake drum as necessary.
3. Unscrew rear axle shaft retaining plate and with
axle shaft puller J-8805 coupled with slide hammer
J- 2619 on axle shaft flange, remove axle shaft.
4. For replacement of the bearing parts, first remove
retaining ring by cutting off with a chisel. See Figure
5. Press off bearing, using rear pinion bearing
remover J-22912.
Installation
Fasteners in the following steps b are im-
CAUTION:
portant attaching parts in that they could at&t tee
performance of vital components and systems, and-
/or could result in major repair expense. They must
be replaced with one of the same part number or with
an equivalentpart
Do not use a replacement part of lesser quality or
substitute design Torque values must be used as
specified during reassembly to assure proper reten-
tion of these parts.
1. Check radial runout of axle shaft at ball bearing