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, check of a condition and installation of components of a drive of valves

Works with use of the Opel KM-565 adaptation

Removal

 PERFORMANCE ORDER

  1. Use of the special KM-565 adaptation (or substitute equivalent to it), levers of a drive of valves and jacks of klapanny gaps can be removed without preliminary dismantle of a camshaft.
  2. Cock the parking brake, then поддомкратьте a front of the car and establish it on props. Remove the right forward wheel, at the corresponding complete set remove also protection of a case.
  3. Uncover the gas-distributing mechanism (see. Removal and installation of a cover of the gas-distributing mechanism).
  4. Turn a cranked shaft in the normal direction for a pulley bolt so that the cam of the first valve which driving components are subject to service, was developed by a working ledge up.
  5. Fix the adaptation from above on the case of the gas-distributing mechanism, having combined its tip with an end face of a core of the corresponding valve. Roll the adaptation probe in one of openings of bolts of the case until the valve will not appear is drowned enough for emergence of possibility of extraction of the lever of its drive from under a camshaft. Now it is possible to take the hydrojack and to remove a maslootrazhatelny cap.
  6. Attentively study a condition of all components (see below Check) — worn out or damaged replace.

Installation

 PERFORMANCE ORDER

  1. Grease with pure impellent oil the lever of a drive of the valve and the jack of its gap and fill the last in the nest in a head of cylinders. Establish on the place the lever of a drive of the valve — track correctness of placement of its ends at an end face of a core of the valve and a surface of the hydraulic jack. Carefully remove the adaptation.
  2. Operating in a similar manner, make service of components of a drive of the remained valves.

Works without use of the Opel KM-565 adaptation

Removal

 PERFORMANCE ORDER

  1. Lack of possibility of use of the special adaptation results in need of dismantle of a camshaft assembled with the case of the gas-distributing mechanism for the purpose of ensuring access to components subject to service.
  1. Having removed the case of the gas-distributing mechanism, prepare 8 pure polyethylene bags or plastic glasses, having designated them as numbering of valves (it is possible to use also big box divided into eight separate sections). Serially remove levers of a drive of valves, maslootrazhatelny caps and hydraulic jacks and spread out them on as appropriate marked capacities.





Installation of levers of a drive of valves in any order will lead to violation of compliance of a form and degree of their wear to wear of working surfaces of cams of a camshaft!

Check

 PERFORMANCE ORDER

  1. Check surfaces of levers of a drive of valves contacting to cams on existence of signs of wear and mechanical damages — defective levers replace. In case of detection of defects of levers check also a condition of working surfaces of the corresponding cams of a camshaft — most likely they too will appear are damaged or worn-out.
  2. Check a condition of maslootrazhatelny caps, make necessary replacements.
  3. In the absence of confidence of definition of a condition of hydraulic jacks also it is necessary to replace them — check of serviceability of functioning of jacks is not represented possible.

Installation

 PERFORMANCE ORDER

  1. Grease hydrojacks and walls of their landing nests with pure impellent oil. Establish jacks on the former places.
  2. Establish on valves maslootrazhatelny caps.
  3. Grease with pure impellent oil levers of a drive of valves and establish them on the former places, supervising correctness of landing on jacks and стрежнях valves.
  4. In summary establish into place the case of the gas-distributing mechanism with the camshaft enclosed in it (see. Removal and installation of a head of cylinders).