Rear suspension 1
The main rear suspension components are the trailing arms, torsions plates, torsion bars, and shock absorbers. Torsion plates connect the wheel bearing housings to the transversely mounted torsion bars. The torsion bars, housed within the rear suspension subframe, are adjustable by means of unequal-numbered inner and outer splines.
The rear wheel bearings are housed in the trailing arms. They are sealed and require no lubrication or adjustment.
Half axle shafts with one constant velocity (CV) joint at each end transmit power from the transmission output flanges to the rear wheels. The CV joints are permanently lubricated and need no maintenance, but the covering boots must be inspected and renewed if necessary.
For further information or component replacement procedures for the rear suspension, see 420 Rear Suspension, Axle Shafts.
Table a. Suspension Specifications
|
Component |
Front suspension |
Rear suspension |
|
Suspension |
Independent wheel suspension with control arm and ball joint |
Independent wheel suspension with alloy trailing arms. Wheel driven by axle shaft |
|
Track: Carrera Turbo-look |
1372 mm (54.016 in) with 6J x 15 rims 1432 mm (56.378 in.) with 7J x 16 rims |
1380 mm (54.331 in.) with 7J x 15 rims 1501 mm (59.095 in.) with 8J x 16 rims |
|
Torsion bars Diameter: 1984 - 1985 1986- 1989 |
Longitudinal for each wheel 18.8 mm (0.740 in.) 18.8 mm (0.740 in.) |
Transverse for each wheel 24.1 mm (0.949 in.) 25.0 mm (0.984 in.) |
|
Shock absorbers |
Strut with replaceable hydraulic or gas-filled cartridge |
Double-action hydraulic or gas-filled shock absorber |
|
Stabilizer bar diameter: 1984-1985 1986-1989 |
20 mm (0.787 in.) 22 mm (0.866 in.) |
18.0 mm (0.709 in.) 21.0 mm (0.827 in.) |
Rear suspension
1. Rear suspension subframe 4. Trailing arm (torsion bar carrier) 5. Axle shaft
2. Torsion bar 6. Shock absorber
3. Torsion plate
Steering rack: Side section
1. Tie rod thread
2. Rack housing
3. Adjusting nut
4. Pressure block
Steering pinion Steering rack End bushing Rack boot
1. Tie rod thread
2. Rack housing
3. Adjusting nut
4. Pressure block
Steering Rack: Cross section
Housing Pinion carrier Steering pinion Ball bearing Steering rack Pressure block Spring
Steering pinion Steering rack End bushing Rack boot
Steering Rack: Cross section
Housing Pinion carrier Steering pinion Ball bearing Steering rack Pressure block Spring
0019126
8. Steering column flange
9. Oil seal
10. Woodruff key
11. Spacer
12. Lock ring
13. Adjusting nut
14. Base plate
0019126
8. Steering column flange
9. Oil seal
10. Woodruff key
11. Spacer
12. Lock ring
13. Adjusting nut
14. Base plate
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