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Opel Astra, Zafira

since 1998 of release

Repair and car operation



Opel Astra
+ Opel Astra and Zafira Cars
+ Operation manual
+ Routine maintenance
+ Engine
+ Systems of cooling, heating
+ Power supply system and release
+ engine Electric equipment
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
- Suspension bracket and steering
   Specifications
   Removal and installation of a rotary fist
   Check of a condition and replacement of stupichny assembly
   Removal and installation of a forward stretcher
   Removal, regenerative repair and installation of a rack of a forward suspension bracket
   Removal and installation of the forward stabilizer of cross-section stability
   Removal, regenerative repair and installation of the bottom lever of a forward suspension bracket
   Replacement of the bottom spherical support
   Removal and installation of back stupichny assembly
   Check of a condition and replacement of bearings of back wheels
   Removal, check of a condition and installation of the back shock-absorber
   Removal and installation of screw springs of a back suspension bracket
   Removal and installation of a torsionny beam of a back suspension bracket
   Replacement of rezinometallichesky hinges of longitudinal levers of a torsionny beam
   System of adjustment of a road gleam of a back axis - the general information and adjustment
   Removal and installation of the air valve and highway of a regulator of a road gleam of a back axis (Versatile person model)
   Removal and installation of a steering wheel
   Removal and installation of a steering column
   Removal, check of a condition and installation of an intermediate shaft of a steering column
   Replacement of protective covers of a case of the steering mechanism
   Removal and installation of the steering mechanism
   Removal and installation of the steering pump
   Air removal from a hydraulic path of GUR
   Removal and installation of tips of steering drafts
   Removal and installation of steering draft
   Corners of installation of wheels
+ Body
+ Onboard electric equipment

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Suspension bracket and steering

General information


Design of a forward suspension bracket

1 — the Top support of a rack
2 — Vertical draft (rack) of the stabilizer of cross-section stability
3 — the Bar of the stabilizer of cross-section stability
4 — the Power shaft

5 — the Rotary fist
6 — the Wheel nave
7 — the Operating lever of a suspension bracket
8 — the Stretcher


Design of a back suspension bracket

1 — the Bottom saddle of a screw spring
2 — the Screw spring
3 — the Top saddle of a screw spring
4 — Stupichnaya assembly
5 — the Brake drum

6 — the Telescopic shock-absorber (models without adjustment of a back road gleam)
7 — the Telescopic shock-absorber (models with adjustment of a back road gleam — an option)
8 — Torsionnaya a beam of a back suspension bracket
9 — the Arm of fastening of the lever of a suspension bracket
10 — the Rezinometallichesky hinge


Design of a steering drive

1 — the Steering pump Delphi
2 — the Steering pump TRW
3 — the Returnable hydraulic line
4 — the Pressure head hydraulic line
5 — the Intermediate shaft

6 — the Steering wheel
7 — the Steering column
8 — Steering draft
9 — the Basic arm of the steering pump

Forward suspension bracket completely independent with a stretcher and the bottom operating levers, MacPherson's racks and the stabilizer of cross-section stability (see an illustration the Design of a forward suspension bracket). Racks consist of gas-filled telescopic shock-absorbers and screw springs and fasten the top ends to the strengthened support on mudguards of forward wings, and bottom to assemblies of rotary fists. Naves are equipped with noncontrollable bearings. The lower parts of rotary fists by means of spherical support are connected to the bottom levers of a suspension bracket. Spherical support fasten to levers bolts, and to rotary fists — by means of sbolchivayemy collars. The internal ends levers fasten to a stretcher by means of rezinometallichesky hinges, limiting lateral and longitudinal moving of forward wheels. The stabilizer of cross-section stability enters into a standard complete set of all models. The stabilizer is fixed on a stretcher and connected to suspension bracket racks means of two vertical drafts (racks).

The Torsionny beam of a semi-independent back suspension bracket consists of two longitudinal levers and a connector (see an illustration the Design of a back suspension bracket). In a back part of levers of a suspension bracket are equipped landing under fastening of shock-absorbers and spring assemblies, and also vertical flanges to which with bolts stupichny assemblies of back wheels together with boards of brake mechanisms fasten. On the forward ends of levers plugs with the rezinometallichesky hinges pressed in them are equipped. Through hinges the bolts fixing levers of a suspension bracket in pribolchivayemy to longerons of a body arms are passed. The top ends of shock-absorbers fasten to bearing elements of the bottom of a body. Springs are established separately from shock-absorbers and are fixed by two saddles one of which fastens to a flange on the lever, another — to the car bottom. Wheel bearings are built in not folding stupichny assemblies. The Versatile person models are equipped with system of manual adjustment of height of a back road gleam. The system copes by giving in shock-absorbers of the compressed air. The size of a gleam depends on pressure in shock-absorbers which is regulated by means of the valve located in a luggage compartment.

The steering mechanism — ordinary reechny type, with an udaropogloshchayushchy steering column (see an illustration the Design of a steering drive). The column is connected to the mechanism means of the intermediate shaft equipped with crosspieces. The sliding top section of a steering column is equipped with the lock blocking a steering drive. In the locked condition the lock allows a steering column to rotate with effort in 200 Nanometers that prevents possibility of destruction of a lock pin. Thus the size of the moment demanded for rotation of a steering wheel, does impossible driving. The steering mechanism is established on a forward stretcher of a suspension bracket. Steering drafts fasten to levers of rotary fists by means of steering tips. The standard complete set of all models includes system of hydrostrengthening of a steering drive (GUR). The electrohydraulic steering pump is established directly on the steering mechanism and does not demand service. The tank of hydraulic liquid is built in pump assembly.

Often in the course of service of components of a suspension bracket it is necessary to face fixture resistant to an otdavaniye.« By Prikipaniye» elements of fixture it is connected with that they are constantly subject to external influences, are in contact to water, dirt, a soot and other promoting development of corrosion by substances. For the purpose of simplification of procedure of an otdavaniye of its such "become attached" fixture it is necessary to impregnate with plentiful amount of getting oil beforehand. Cleaning of open carving parts of fixture by a rigid wire brush also promotes simplification of an otdavaniye of prirzhavevshy nuts. Sometimes, in especially hard cases, for an otpuskaniye "become attached" bolts / nuts it is possible to use a drift. The drift rests against the region of a shliyets of a nut / head of a bolt, then sharp blows are struck to its opposite end with a hammer. Watch that the drift did not break, try not to damage in inexact blows a carving. Quite effective way is also warming up of fixture resistant to an otdavaniye and a surface of a component surrounding it a torch of a blowtorch or a gas torch though originators of this Management and do not recommend to resort without extreme need to such technology in view of its potential danger connected with possibility of ignition and risk of receiving burns. Different extension pieces, collars and trumpet nozzles are intended for increase in a torque at an otpuskaniye of fixture on them. However, remember that it is not necessary to use such intensifying adaptations complete with the drive equipped with "graggers" — the risk of failure of the ratchet mechanism is too great. Sometimes the nut / bolt starts to give in after previously will be slightly tightened clockwise. All fixture, which otpuskaniye demanded application of extraordinary measures at assembly is subject to replacement!

After an otdavaniye attentively check a condition of fixture and in case of need make its replacement with elements of the same standard size. At assembly tighten fixture of components of a suspension bracket and a steering it is strict with demanded effort.


At all do not undertake attempts of a rikhtovka of the deformed components of a suspension bracket and a steering — replace defective details new!

As procedures of service of components of a suspension bracket are carried out under the car, it is necessary to take care in advance of possibilities of lifting of a vehicle and its fixing in the lifted situation (prepare reliable a jack and props).

At all do not perform any works under the car, fixed in the lifted situation only by means of a jack!

Precautionary measures

The safety cushion is built in a stupichny part of a steering wheel. For a guarantee of serviceability of operation of a pillow at emergency collisions, and also in order to avoid risk of receiving traumas as a result of its casual activation it is necessary to observe certain precautionary measures (see also Head Onboard electric equipment):

  1. Before the beginning of works with a safety cushion, or near a route of laying of electroconducting of SRS surely disconnect a negative wire of the battery, to start works follows not less than one minute later after a battery detachment — time is necessary on a discharge of the condenser of the reserve power supply.
  2. Do not allow a warming up of the module of a safety cushion from above 90°С. Do not overturn the removed module of a safety cushion a slip down.
  3. Do not allow hit on a surface of the module of solvents and detergents — for wiping of a steering wheel use only the pure, slightly humidified rags.
  4. The SRS control unit and modules of safety cushions are sensitive to the directed overloads (blows) and after falling from height more than 50 cm are subject to replacement.
  5. Before carrying out welding works on the car without fail disconnect SRS control unit electroconducting.
  6. On the models equipped with passenger safety cushions in order to avoid receiving traumas do not establish any additional equipment and do not place any extraneous subjects in a zone of operation of pillows.