Mazda 626

1991-1998 of release

Repair and car operation



Mazda 626

+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Engines
   - 3.1. Petrol engines (1,6 and 1,8 liters)
      3.1.1. Introduction
      3.1.2. Technical characteristics
      3.1.3. Recommendations about repair
      3.1.4. Top dead point
      3.1.5. Cover of valves
      3.1.6. Inlet collector
      3.1.7. Final collector
      3.1.8. Gas-distributing belt and asterisks
      3.1.9. Camshaft epiploons
      3.1.10. Yokes and distributive (е) shaft (ы)
      3.1.11. Springs of valves, fastenings and laying
      3.1.12. Head of cylinders
      3.1.13. Oil pallet
      3.1.14. Forward cover
      3.1.15. Oil pump
      3.1.16. Forward epiploon of a cranked shaft
      3.1.17. Flywheel
      3.1.18. Back epiploon of a cranked shaft
      3.1.19. Engine fastenings
   + 3.2. Petrol 4-cylinder engine (2 liters)
   + 3.3. Petrol V6 engine (2,5 liters)
   + 3.4. Partition of engines (1,6 and 1,8 liters)
   + 3.5. Partition of engines (2,0 and 2,5 liters of V6)
   + 3.6. Diesel engine of 2,0 liters
   + 3.7. Systems of electric equipment of the engine
+ 4. Heating and ventilation
+ 5. Fuel system
+ 6. Exhaust system
+ 7. Transmissions
+ 8. Coupling and semi-axes
+ 9. Brake system
+ 10. Running gear
+ 11. Body
+ 12. Electric equipment
+ 13. Electroschemes
+ 14. Good advice



3.1.5. Cover of valves

Removal

PERFORMANCE ORDER
1. Disconnect a wire of the minus plug of the accumulator.
2. Disconnect the valve of ventilation of a case of the engine and ventilating hoses from a cover of valves.
Models in volume of 1,6 l
3. Disconnect wires of spark plugs from clips.
4. Unscrew two top bolts of a cover of a gas-distributing belt (SOHC) and weaken the bottom bolts of a cover of a gas-distributing belt.
5. Unscrew bolts of a cover of valves (SOHC).
6. Uncover valves a head of cylinders.
7. Examine cover laying, if necessary replace it.
Models in volume of 1,8 l
8. Mark wires of spark plugs and disconnect them from candles.
9. Remove the ignition distributor together with wires.
10. Unscrew bolts of the top cover of a gas-distributing belt and uncover.
11. Unscrew bolts of a cover of valves and uncover.

Installation

PERFORMANCE ORDER
Models in volume of 1,6 l
1. Put a hermetic layer in a cover flute, establish in a flute laying of a cover of valves (SOHC).
2. Establish a cover of valves, insert bolts and tighten them.
Models in volume of 1,8 l
3. Clean off traces of old laying, put a hermetic layer in a flute of a cover of valves (SOHC), establish in a flute laying.
4. Put silicone hermetic on the shaded areas of a head of cylinders (1,8 l of DOHC).
5. Establish a cover, insert bolts and tighten bolts a hand.
6. Tighten bolts in stages in the specified sequence.