Suspension springs and upper support cups
Depending on the model and equipment, two types of springs are installed on cars in combination with three types of upper support cups of various thicknesses.
The selection of the spring to the support cup is made at the factory and must be maintained throughout the entire period of operation in order to avoid deterioration in the stability and handling characteristics of the vehicle. When replacing the spring or support cup, be sure to install identical parts.
Suspension Spring Specifications
Spring type | Spring number | Wire diameter, mm | Draft (P=100 kgf) | Length (P=0 kgf) |
1 | 123.324.1404 | 15,95 | 18,45 | 355 |
2 | 123.324.1504 | 14,95 | 21,5 | 337 |
Characteristics of the upper support cups of the springs
Letter index | cup number | Support cup bottom thickness, mm | Number of protrusions around the circumference of the cup |
a | 115.325.2244 | 9,5 | 1 |
b | 115.325.2344 | 14,0 | 2 |
c | 115.325.2444 | 19,0 | 3 |
Shock absorbers
Gas-filled, oil-filled, single-pipe double-acting shock absorbers are used on cars. They are connected to the body and suspension arms.
Control parameters of the rear shock absorbers
Shock absorber number | Color marking | Rod outlet, mm | shock absorber type | |
new | admissible | |||
123.323.1700* | One white longitudinal stroke | 0,0—2,0 | 32,0 | separating piston |
123.323.6000 | One white cross bar | 0,0 | 32,0 | without separating piston |
123.323.0800 | One white cross bar | 105,0—107,0 | 82,0 | |
123.320.0413* | One white cross bar | 147,0—149,0 | 137,0 |
* Meet rarely, as a possible complete set.
Optional spring/damper combination for various car models
Engine model | spring no | shock absorber no |
No level adjustment | ||
«200» | — | — |
«230» | 123.324.1404 | — |
«250» | — | 123.326.0600 |
«280», «280E» | — | 123.326.0800 |
With level control | ||
«200» | — | — |
«230» | 123.324.1504 | — |
«250» | — | 123.320.04113 |
«280», «280E» | — | — |
Roll Stabilizer
Characteristic | Meaning |
Stabilizer bar diameter, mm | |
| 13,0 (12,0) * |
| 14,5 (13,0) * |
* Data in brackets are for coupe.
Body height adjuster
The device for adjusting the position of the body height was installed on individual models. It hydraulically adjusts the suspension height of the rear of the car and consists of a hydraulic pump, a reservoir, two storage chambers and a body position corrector.
Hydraulic pump
The piston type hydraulic pump is driven by a multi-ribbed auxiliary drive belt from the crankshaft.
Characteristic | Meaning |
Operating pressure at crankshaft speed 900±100 min–1, kgf/cm2 | 130 |
| 125 |
| 160 |
Delivery at n=1500 min–1, l/min | 0,7 |
Broadcast (engine/pump) | 0,667 |
Accumulation chambers
Each shock absorber receives the working fluid from a separate storage chamber (pressure tank), in which the working fluid is under pressure, designed for its uniform and smooth supply to the shock absorbers.
Characteristic | Meaning |
Valve opening pressure, kgf.cm2 | |
| 21—25 |
| 15,0 |
Body Position Corrector
Installed between the hydraulic pump and the storage chambers on the transverse stabilizer, the body position corrector determines the pressure of the working fluid entering the shock absorbers through the storage chambers in order to maintain a constant rear body height.
Characteristic | Meaning |
Discharge valve opening pressure, kgf/cm2 | 30—36 |
Working fluid
Characteristic | Meaning |
Filling capacity of the hydraulic system of the leveling system, l | 3,5 |
Fluid level difference between marks «mini» And «maxi» on dipstick, l | about 0.6 |
Liquid used | Aral Vitamol ZH-M or MB hydraulikol 000.989.9103 |
Oil check interval with engine running | every 20000 km |
Rear wheel alignment
Characteristic | Meaning |
collapse | from –0°20' to +0°20' |
Convergence 0.5 mm | 0°20'—0°35' |
Rear wheel hubs
The rear wheel hub is mounted on a closed-type angular contact ball bearing.
Characteristic | Meaning |
Hub flange thickness, mm | 10,00 |
Runout of the bearing surface of the brake disc, no more than, mm | 0,02 |
| 0,12 |
Tightening torques of the main threaded connections, kgf·m
Connection type | Meaning |
Lower shock absorber support | 4,5 |
Anti-roll bar mount | |
| 1,9 |
| 3,0 |
Stabilizer link | |
| 4,5 |
| 3,0 |
Racks of system of regulation of position of a body | |
| 3,0 |
| 4,5 |
| 1,9 |
| 6,5 |
| 4,2 |
Body control pump | 1,2 |
Body position corrector | 4,5 |
Front rear suspension mount | |
| 3,0 |
| 11,9 |
Wheel drive shaft bolt | 3,0 |
Wheel bolt | 11,0 |
Rear axle
1 - main gear; 2 - parking brake cable; 3 - axle shaft; 4 - brake disc; 5 - outer bearing; 6 - suspension spring; 7 - shock absorber; 8 - rear axle support beam; 9 - cardan shaft; 10 - stabilizer; 11 - diagonal lever