Opel Astra A

1991-1998 of release

Repair and operation of the car



Opel Astra A
+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Engines
   + 3.1. SOHC engines
   - 3.2. DOHC engines
      3.2.1. Technical characteristics
      3.2.2. Covers of a gas-distributing belt (X 16 XEL)
      3.2.3. Covers of a gas-distributing belt (all models, except X 16 XEL)
      3.2.4. Gas-distributing belt (X 16 XEL)
      3.2.5. A gas-distributing belt (all models, except X 16 XEL)
      3.2.6. Cover of a head of cylinders
      3.2.7. Asterisks of camshafts (X 16 XEL)
      3.2.8. Asterisks of camshafts (all models, except X 16 XEL)
      3.2.9. Camshaft epiploons
      3.2.10. Natyazhitel of a gas-distributing belt and intermediate pulley
      3.2.11. Camshafts
      3.2.12. Head of cylinders (X 16 XEL)
      3.2.13. A head of cylinders (all models, except X 16 XEL)
      3.2.14. Head of cylinders
      3.2.15. Hydraulic elevators of valves
      3.2.16. Oil pallet (X 16 XEL)
      3.2.17. Asterisk of a bent shaft
      3.2.18. Oil pump
      3.2.19. Epiploons of a bent shaft
      3.2.20. Engine and transmission
      3.2.21. Oil cooler
   + 3.3. Diesel engines
   + 3.4. Engine electric equipment
+ 4. Ventilation and heating
+ 5. Power supply system
+ 6. System of decrease in toxicity
+ 7. Coupling
+ 8. Transmissions
+ 9. Half shafts
+ 10. Brake system
+ 11. Suspension bracket and steering
+ 12. Body
+ 13. Electric equipment
+ 14. Electrical circuitries


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3.2.11. Camshafts

Removal

PERFORMANCE ORDER
1. Uncover a head of cylinders.
2. Turn an asterisk of a bent shaft on 16 ° from VMT.
3. Take off a gas-distributing belt.
4. Remove asterisks of camshafts.
5. If you want to remove a shaft of final valves, remove the ignition distributor.
6. Take numbering of covers of bearings into account. Covers of a shaft of inlet valves are usually numbered from 1 to 5, and covers of a shaft of final valves from 6 to 11 (shooters specified numbers of covers of bearings of camshafts).
7. Before removing the camshaft check a free wheeling of a shaft by means of the probe. If the gap exceeds admissible value, replace a shaft.
8. Weaken nuts of covers of bearings of a shaft, unscrewing them in turn half way (shooters specified fixing bolts of a cover of the back bearing of a shaft of vyuskny valves).
9. Screw together nuts of covers and uncover. Get a shaft.

Check

PERFORMANCE ORDER
1. Examine surfaces of inserts of bearings in a head of cylinders on wear existence. If wear is obvious, replace a head of cylinders.
2. Examine the surfaces of bearings of a shaft, if necessary replace a shaft.
3. Replace an old epiploon of a shaft.

Installation

PERFORMANCE ORDER
1. Grease the contact surfaces of hydraulic elevators of valves with lubricant (MoS2).
2. Grease the surfaces of forward and back covers which are joined to a head with the pressurizing structure (P/N 90350544).
3. Grease with lubricant cams and bearings of a shaft and establish it in a head of cylinders (1-adjusting pins of asterisks of camshafts).
   
4. Establish covers of bearings.
5. Tighten nuts of covers in turn, tightening everyone on a turn floor till the necessary moment of an inhaling.
6. Two back nuts of a shaft of final valves need to be tightened only after other nuts are tightened. In engines X 16 XEL tighten nuts in the sequence specified in the drawing.
7. Grease an epiploon of a shaft and establish it into place.
8. Install the ignition distributor.
9. Establish the remained details.

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