Mazda 626

1991-1998 of release

Repair and operation of the car



Mazda 626

+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Engines
   + 3.1. Petrol engines (1,6 and 1,8 liters)
   - 3.2. Petrol 4-cylinder engine (2 liters)
      3.2.1. Introduction
      3.2.2. Technical characteristics
      3.2.3. Recommendations about repair
      3.2.4. Top dead point
      3.2.5. Cover of a head of cylinders
      3.2.6. Springs, clamps and epiploons of valves
      3.2.7. Gas-distributing belt and asterisks
      3.2.8. Camshafts and pushers
      3.2.9. Inlet collector
      3.2.10. Final collector
      3.2.11. Head of cylinders
      3.2.12. Forward epiploon of a bent shaft
      3.2.13. Oil pallet
      3.2.14. Oil pump
      3.2.15. Flywheel or drive plate
      3.2.16. Back epiploon of a bent shaft
      3.2.17. Fastenings of the engine
   + 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 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 half shafts
+ 9. Brake system
+ 10. Running gear
+ 11. Body
+ 12. Electric equipment
+ 13. Electrical circuitries
+ 14. Useful tips


3.2.14. Oil pump

Removal

PERFORMANCE ORDER
1. Disconnect a wire of the minus plug of the accumulator.
2. Remove the lower guard of the engine and driving belts.
3. Remove the generator. Remove the compressor of the air conditioner and shift it aside, do not disconnect hoses from the compressor.
4. Take off a gas-distributing belt and an asterisk of a bent shaft.
5. Remove the oil pallet and, having unscrewed three clamps, remove a maslozaborny branch pipe.
6. Using the sequence, the return sequence of tightening, unscrew bolts of the strengthening engine section.
7. Unscrew bolts and nuts of the oil pump and remove the pump.

Check

PERFORMANCE ORDER
1. Remember depth of landing of an epiploon. Take an epiploon from a pump casing.
2. Unscrew screws and uncover the oil pump.
3. Remove the reducing valve of the pump. Get internal and external gear wheels of the pump. Wash out all elements of the pump in solvent.
4. Establish gear wheels in a casing of the pump and take the following measurements. Measure a gap between the conducted gear wheel and a casing of the pump.
5. Measure a gap between teeth of gear wheels.
6. Measure a gap between the plane of gear wheels and the plane of a casing of the pump.
7. Measure length of a spring of the reducing valve, if necessary replace a spring.
8. Oil a new epiploon and establish it into place.
9. Oil the piston of the reducing valve and establish valve elements in a pump casing.
10. Oil pump gear wheels pure engine.
11. Fill pump cavities with vaseline.
12. Establish a cover of the oil pump and tighten cover screws, previously having greased them with sealant.

Installation

PERFORMANCE ORDER
1. Carefully clean and wipe with acetone the joined surfaces of the oil pump and the block of cylinders.
2. Establish new laying of the oil pump, having greased with silicone sealant the surface of laying adjacent to the pump. Install the pump on the block of cylinders.
3. Insert bolts and tighten them till the required inhaling moment.
4. Apply sealant on perimeter of the strengthening section of the engine and around four openings of back bolts of section. Establish the strengthening section and tighten bolts in the specified sequence.



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