Opel Vectra A

since 1988-1995 release

Repair and operation of the car



Vektr's Opel And
+ 1. Maintenance instruction
+ 1.1 Maintenance
- 2. Engine
   2.2. General information
   2.3. System of ventilation of a case
   2.4. Check of a compression
   2.5. Repair operations on the engine installed in the car
   2.6. The repair operations demanding removal of the engine
   2.7. Recommendations about removal of the engine
   + 2.8. Removal and installation of the engine without transmission
   + 2.9. Removal and installation of the engine together with the transmission
   2.10. Replacement of support of the engine and transmission
   2.11. Repair of the engine
   - 2.12. A gear belt and pulleys (without automatic mechanism of a tension)
      2.12.2. Installation
      2.12.3. Adjustment of a tension
   2.13. A gear belt and the mechanism of a tension (l models 1,4 and 1,6 except C16 NZ2)
   2.14. An opening in a back casing of a gear belt on l models 1,4 and 1,6
   2.15. Gear belt and mechanism of a tension (l C16 NZ2 models 1,8 and 2,0)
   2.16. Forward sealing ring of the camshaft
   2.17. Back sealing ring of the camshaft
   2.18. Camshaft and case of the camshaft
   + 2.19. Removal and installation of a head of the block of cylinders on the engine in the car
   2.20. Removal and installation of a head of the block of cylinders on the removed engine
   + 2.21. Repair of a head of the block of cylinders
   2.22. Cleaning and survey of a head of the block of cylinders
   2.23. Hydraulic pushers of valves
   2.24. Flywheel
   2.25. Replacement of a forward sealing ring of a bent shaft
   2.26. Replacement of a back sealing ring of a bent shaft
   2.27. Oil pallet
   2.28. Oil pump
   2.29. Repair of the oil pump
   2.30. Removal and installation of pistons and rods
   2.31. Check of pistons and rods
   + 2.32. Removal and installation of a bent shaft
   2.33. Check of a bent shaft
   2.34. Survey and check of a gap in radical and conrod bearings
   2.35. Check of a working gap of the bearing
   2.36. Check of the block of cylinders of the engine
   2.37. Start of the engine after capital repairs
+ 3. Repair of DOHC engines
+ 4. Repair of the diesel engine
+ 5. Cooling system
+ 6. Fuel system
+ 7. The fuel and exhaust system of models with system of injection of fuel
+ 8. Exhaust system and system of decrease in toxicity of exhaust gases
+ 9. Fuel systems of the diesel engine
+ 10. Engine electrical systems
+ 11. Transmission
+ 12. Mechanical transmission
+ 13. Automatic transmission
+ 14. Power shafts
+ 15. Brake system
+ 16. Suspension bracket
+ 17. Body
+ 18. Electric equipment
+ 19. Check of malfunctions
24bec775



2.12.3. Adjustment of a tension

GENERAL INFORMATION

Prevention

For adjustment of a tension of a gear belt it is necessary to use the special Opel tool No. KM-510-A. In the absence of the special tool adjustment of a tension of a gear belt needs to be made at specialized service station.


Check of a tension of the gear belt which was in the use is made on the heated-up engine, and a new gear belt on the cold engine.

The correct installation of the special tool for measurement of a tension of a gear KM-510-A belt

 

Measurement of a tension of a gear belt on the engine of 1,6 l

 

Check of a tension of a gear belt

When checking a tension of a gear belt hand fingers the belt has to turn on 90 °.

PERFORMANCE ORDER
1. Release brackets of fixing and remove the main casing of a gear belt, then remove a smaller casing from the water pump.
2. Turn a bent shaft the engine clockwise at least on 1/4 turns.
3. Install the special measuring tool on a gear belt in the center between pulleys of the water pump and camshaft. The tool has to settle down on a belt, as shown in the drawing the Correct installation of the special tool for measurement of a tension of a gear KM-510-A belt.
4. Slowly release the lever on the special tool, then several times easily strike the tool and read indications of a tension of a gear belt (see rice. Measurement of a tension of a gear belt on the engine of 1,6 l).
5. If the tension of a gear belt differs from demanded, weaken three bolts of fastening of the water pump and, turning the pump, adjust a tension of a gear belt. At turn of the pump clockwise the tension of a gear belt increases, and at turn counterclockwise the tension decreases.
6. Tighten bolts of fastening of the water pump.
7. Remove the special tool for measurement of a tension of a gear belt and turn a bent shaft of the engine on 1 whole revolution clockwise.
8. Repeatedly check a tension of a gear belt.
9. If the tension of a gear belt does not correspond to the required value, repeatedly make adjustment of a tension.
10. After adjustment of a tension of a gear belt remove the special measuring tool and tighten bolts of fastening of the water pump the required moment and establish casings of a gear belt.
11. In the absence of the special tool adjust a tension of a gear belt so that at turn of a gear belt hand fingers with application of moderate pressure in the center between pulleys of the water pump and camshaft the gear belt turned on 90 °.