Opel Astra, Zafira

since 1998 of release

Repair and car operation



Opel Astra
+ Opel Astra and Zafira Cars
+ Operation manual
+ Routine maintenance
- Engine
   Specifications
   Check of kompressionny pressure in cylinders
   Diagnostics of a condition of the engine with use of the vacuum gage
   - Procedures of repair of petrol SOHC engines without their extraction from the car
      Reduction of the piston of the first cylinder in the provision of the top dead point of a step of compression (VMT)
      Removal and installation of a cover of the gas-distributing mechanism
      Removal and installation of a pulley of a cranked shaft
      Removal and installation of a cover of a drive of GRM
      Removal and installation of a belt of a drive of GRM
      Removal and installation of a natyazhitel of a gas-distributing belt and cogwheels of a drive of GRM
      Replacement of an epiploon of a camshaft
      Removal, check of a condition and camshaft installation with the case of the gas-distributing mechanism
      Removal, check of a condition and installation of components of a drive of valves
      Removal and installation of a head of cylinders
      Removal and installation of the pallet of a case
      Removal, service and installation of the oil pump
      Removal, check of a condition and flywheel installation / driving disk
      Replacement of epiploons of a cranked shaft
      Check of a condition and replacement of support of a suspension bracket of the power unit
   + Procedures of repair of petrol DOHC engines without their extraction from the car
   + Procedures of repair of diesel engines of 1.7 l and 2.0 l without their extraction from the car
   + General and major maintenance of the 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
+ Body
+ Onboard electric equipment

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Removal and installation of a natyazhitel of a gas-distributing belt and cogwheels of a drive of GRM

Camshaft cogwheel

Removal

 PERFORMANCE ORDER

  1. Remove a gas-distributing belt (see. Removal and installation of a belt of a drive of GRM).
  1. Block a camshaft from a provorachivaniye at an otpuskaniye of the central bolt of its cogwheel. Make of two pieces of steel plates (one long, and one short) and three bolts with nuts the bifurcate adaptation for wheel deduction. One bolt use as axial, two others fix on the fork ends, - they are entered into gearing with openings in a cogwheel. It is alternatively possible to uncover the gas-distributing mechanism (see. Removal and installation of a cover of the gas-distributing mechanism) and to hold a shaft a rozhkovy key for лыски.
  1. Turn out the central bolt and remove it from a shaft together with a washer. Remove a cogwheel. Check landing density in a pin of an adjusting pin of a wheel — in case of need take a pin and clean it in a reliable place.

Installation

 PERFORMANCE ORDER

  1. Before installation check a condition of an epiploon of a camshaft. In case of identification of traces of leaks or signs of wear replace an epiploon (see. Replacement of an epiploon of a camshaft).
  1. Plant a cogwheel on a shaft pin — track correctness of hit of a fixing pin in a reception opening on a wheel.
  1. Screw the central bolt with the washer put on it and tighten it with demanded effort, holding a shaft from a provorachivaniye one of described above ways.
  1. Establish a belt of a drive of GRM (see. Removal and installation of a belt of a drive of GRM), then (if removed) establish a cover of the gas-distributing mechanism (see. Removal and installation of a cover of the gas-distributing mechanism).

Cogwheel of a cranked shaft

Removal

 PERFORMANCE ORDER

  1. Remove a belt of a drive of GRM (see. Removal and installation of a belt of a drive of GRM).
  2. Remove a cogwheel from a pin of a cranked shaft — try to remember, the wheel was established by what party.
  3. Check reliability of landing in the groove of a shponka — in case of need take a shponka and clean it in a reliable place.

Installation

 PERFORMANCE ORDER

  1. If took, establish a shponka in a groove in a pin of a cranked shaft.
  1. Having tracked shponka hit in a shponochny groove, plant a cogwheel on a shaft pin labels outside.
  1. Establish a belt of a drive of GRM (see. Removal and installation of a belt of a drive of GRM).

Natyazhitel of a belt

Removal

 PERFORMANCE ORDER

  1. Remove a belt of a drive of GRM (see. Removal and installation of a belt of a drive of GRM).
  1. Turn out fixing bolt of a natyazhitel [3] and remove the last from assembly of the oil pump.

Installation

 PERFORMANCE ORDER

  1. Establish a natyazhitel on the engine — track correctness of input of a ledge on its basis with a window in the case of the oil pump. Having made sure of correctness of landing of a natyazhitel, screw fixing boat and tighten it with demanded effort.