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)
+ 3.3. 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
3.6.1. Technical characteristics
3.6.2. Maintenance, repair
3.6.3. Principle of operation of the diesel engine
- 3.6.4. Gear belt, installation of phases of gas distribution
- 3.6.4.1. RF engine
3.6.4.1.1. Forward gear belt
3.6.4.1.2. Back gear belt
3.6.4.2. RF-N engine
3.6.5. System of preliminary warming up
3.6.6. Check of the device of preliminary warming up
3.6.7. Removal of air from fuel system
3.6.8. Check and replacement of the electromagnetic valve of a cut-off of fuel
3.6.9. Check and adjustment of turns of idling
3.6.10. Removal and installation of nozzles
3.6.11. Removal of the vacuum pump
3.6.12. Diagnostics of malfunctions of a power supply system of the diesel engine
+ 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
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Removal of a damper of the engine
Removal of fastening of a back casing of a gear belt
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Turn off fastening (1). Weaken a nut (4) of a tension belt. |
Weakening of a tension of a gear belt
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Turn a tension roller as it is possible further the screw-driver (1) to the right and tighten a nut (2) of a tension roller. |
Installation of a suspension bracket
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Establish an engine mount, having tightened (And) with 115 N.' effort m and a nut (V) with 90 N.' effort of m. |
Wear of a gear belt
Installation of phases of gas distribution usually has to be made after repair work at which the gear belt was removed or the engine understood. When checking installation of phases of gas distribution it is necessary to carry out all steps except replacement of a gear belt.
Removal
| PERFORMANCE ORDER |
| 1. Disconnect minus a weight cable from the accumulator. |
Prevention
 At the same time contents of electronic memory devices, for example memory of defects of the engine or a code of the radio tape recorder are erased. Before shutdown of the accumulator it is necessary to read subsection 2.11.
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| 2. Lift the car and remove the right forward wheel. |
| 3. Remove the lower casing of the engine in the right wheel niche. |
| 4. Take off maple a belt. |
| 5. Block the engine. For blocking of the engine include the 5th transfer and let the assistant will press a brake pedal. Turn off bolts of fastening of a belt pulley of a bent shaft. |
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6. Remove a pulley of a bent shaft. |
| 7. Remove glow plugs. |
| 8. For a pro-collar of a bent shaft of the engine tighten the emergency brake and install the transmission in neutral situation. By means of a neck and a head turn a bent shaft from the right wheel niche. |
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Prevention
Do not turn a bent shaft for a camshaft wheel through zubchatoremenny transfer at all.
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9. Release a bolt of a tension roller and wring out a tension roller the screw-driver from a gear belt before weakening of a tension of a gear belt. Again tighten a bolt of a tension roller. |
| 10. Remove the right and left casing of a gear belt. |
| 11. Take off a gear belt. After that do not turn cogwheels. |
Prevention
Before removal double-check whether the tag on a wheel raspredelitelno coincides with edge of a head of cylinders in bulk, if necessary modify.
If it is necessary to turn the camshaft at the taken-off gear belt, any piston should not be in VMT. Otherwise there can be serious damages of pistons and valves.
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| 12. If it is necessary to turn the camshaft, install all pistons on a half of their course in advance. For this purpose put with chalk from above on a wheel of a bent shaft a tag. |
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13. Before drawing a tag install the 1st cylinder in the provision of VMT. For this purpose turn a bent shaft before coincidence of a tag (1) on a cogwheel of the camshaft (2) with a tag on a frontal payment. Then turn a wheel of a bent shaft on 1/4 turns (90 °) to the left or to the right. The tag has to be turned now to the left or to the right. |
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Installation
Prevention
Do not bend a gear belt and do not turn. Surely replace the polluted, damaged or worn-out belts. Check uniformity and ease of the course of a tension roller.
| PERFORMANCE ORDER |
| 1. Check wear of a belt. |
| 2. Impose a gear belt. When imposing an old belt impose according to the put arrow in the direction of rotation. |
Prevention
Make sure that the belt well covers rollers and does not sag.
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Tension
| PERFORMANCE ORDER |
| 1. Weaken a bolt of a tension roller so that the roller could move to a gear belt under effort of a spring. |
| 2. Turn a bent shaft on two turns clockwise before coincidence of tags raspredelitelno in bulk and a frontal payment. Be once again convinced that all tags coincide. |
| 3. Tighten a bolt of a tension roller with 45 N.' effort of m. |
| 4. Turn a bent shaft on two turns in the direction of rotation of the engine and double-check adjustment. |
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5. The belt piece between rollers of the water pump and camshaft has to cave in on 10,5–12,0 mm from effort in 10 kg (strong pressing by a finger) if it not so, release a bolt of a tension roller and once again pull a belt. |
| 6. Establish and fix with effort 10 N. in m the right and left casings of a gear belt. |
| 7. Put and fix the engine shock-absorber. |
| 8. Put a pulley of a bent shaft with a washer and tighten fastening bolts with 30 N.' effort of m. |
| 9. Establish glow plugs. |
| 10. Establish and pull maple a belt. |
| 11. Establish a casing in the right wheel niche. |
| 12. Connect a cable of negative weight to the accumulator. |
| 13. If there are hours, expose time and set a security code to the radio tape recorder. |
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