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
      3.1.1. Introduction
      3.1.2. Technical characteristics
      3.1.3. Check of a compression
      3.1.4. Top Dead Point (TDP)
      3.1.5. Cover of a head of cylinders
      3.1.6. Pulley of a kolechaty shaft
      + 3.1.7. Top external cover of a gas-distributing belt
      3.1.8. Back cover of a gas-distributing belt
      3.1.9. Gas-distributing belt (models of 1,4 and 1,6 l)
      3.1.10. A gas-distributing belt (C18 NZ, C20 NE which are released till 1993)
      3.1.11. Gas-distributing belt (C18 NZ, C20 NE 1993 of release later)
      3.1.12. Camshaft asterisk
      3.1.13. Asterisk of a bent shaft
      3.1.14. Tension roller of a gas-distributing belt (l models 1,4 and 1,6)
      3.1.15. Camshaft epiploons
      3.1.16. Camshaft
      3.1.17. Head of cylinders
      3.1.18. Oil pallet and maslozaborny branch pipe
      3.1.19. Oil pump
      3.1.20. Epiploons of a bent shaft
      3.1.21. Flywheel
      3.1.22. Fastening of the engine and transmission
   + 3.2. DOHC engines
   + 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







3.1.16. Camshaft

Removal

PERFORMANCE ORDER
1. The camshaft can be removed, without removing a head of cylinders, only by means of the special tool (Opel P/N 603 850).
2. If you have no such tool, it is necessary to remove a head of cylinders. Surely replace old laying of a head.
3. In models 14 NV remove the fuel pump.
4. Remove the distributor of ignition or the coil.
5. In models C 16 SE unscrew three fixing bolts and remove the basic plate of the coil fixed on the end of a head of cylinders.
6. In models C 18 NZ, C 20 NE take a back epiploon of the camshaft.
7. Unscrew two fixing bolts of a persistent plate of the camshaft.
8. Remove a persistent plate.
9. Accurately take the camshaft from a head of cylinders.

Check

PERFORMANCE ORDER
1. Examine inserts of bearings in a head of cylinders on wear existence. Check that lubricant openings in a head were not littered. If inserts are worn-out, it is necessary to replace a head.
2. Examine the camshaft if bearings or cams are worn-out, it needs to be replaced together with yokes.
3. Examine a persistent plate, if necessary replace it.

Installation

PERFORMANCE ORDER
1. Replace a forward epiploon of a shaft.
2. Oil bearings and epiploons.
3. Insert a shaft into a head of cylinders.
4. Establish a persistent plate and tighten bolts (a photo at the left). Check a camshaft side play, having inserted the probe between a persistent plate and a flange on the end of a shaft (a photo on the right). If the gap exceeds admissible size, replace a persistent plate.
5. In models C 18 NZ, C 20 NE establish a new back epiploon.
6. In models C 16 SE check a condition of ring consolidation on a back part of a basic plate of the coil, replace it if necessary.
7. Install the distributor or the coil.
8. In models 14 NV install the fuel pump.
9. Establish a head of cylinders.
10. If you installed the new camshaft, replace engine oil.