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Mazda 6261991-1998 of releaseRepair and operation of the car |
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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) 3.4.1. Introduction 3.4.2. Technical characteristics 3.4.3. Repair work without dismantle of the engine from the car - 3.4.4. Capital repairs of the engine 3.4.4.1. General comments 3.4.4.2. Alternatives 3.4.4.3. Dismantle of the engine - methods and safety measures 3.4.4.4. Sequence of dismantling 3.4.5. Checks of the engine 3.4.6. Removal and installation of the engine 3.4.7. Preparation for a partition 3.4.8. Engine partition 3.4.9. Partition and check of a head of cylinders 3.4.10. Repair of valves 3.4.11. Assembly of a head of cylinders 3.4.12. Removal of pistons and rods 3.4.13. Removal of a bent shaft 3.4.14. Check and cleaning of the block of cylinders 3.4.15. Honingovaniye of cylinders 3.4.16. Check of pistons and rods 3.4.17. Check of a bent shaft 3.4.18. Check of radical bearings and bearings of rods 3.4.19. Engine assembly order 3.4.20. Installation of piston rings 3.4.21. Installation of a bent shaft 3.4.22. Installation of a back epiploon of a bent shaft 3.4.23. Installation of pistons and rods 3.4.24. Launch of the engine after repair and a running in + 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 
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3.4.4.2. Alternatives
At independent performance of capital repairs various options are possible. The decision on replacement of the block of cylinders, conrod and piston group and a bent shaft depends on a number of factors from which the most important is the condition of the block of cylinders. Other reasons are the repair cost, a possibility of access to the equipment of workshops of car service, existence of spare parts, time planned for work, and also personal experience. Acquisition of separate spare parts If inspection shows that the block of cylinders and the majority of details in satisfactory condition and can be used further, then the most expedient from the economic point of view is purchase of separate spare parts. The block of cylinders, conrod and piston group and a bent shaft should be surveyed carefully. Even if insignificant wear of the block of cylinders is found, cylinders are subject to an obligatory honningovaniye. Bent shaft of a full complete set This repair kit includes a repolished bent shaft and a set of the pistons and rods adjusted by the size. Pistons are already installed on rods. A set of piston rings, radical and connecting rods is also included in the package. These sets usually contain pistons both standard, and all repair sizes. Block of cylinders of an incomplete complete set The block of cylinders of an incomplete complete set contains the block of cylinders with the installed krivoshipno-conrod mechanism and piston group. New radical and connecting rods are included in the package, and all gaps meet standards. On a set the available cam-shaft, the valvate mechanism, a head of the block and hinged units are mounted. Costs of machining are minimum or are not required absolutely. Block of cylinders of a full complete set The block of cylinders of a full complete set contains all set of the block of cylinders of an incomplete complete set, and also the oil pump, the oil pallet, a head of the block of cylinders, a cover of the case of bearings of a cam-shaft, a cam-shaft, the valvate mechanism, cam-shaft drive gear wheels, a gear belt and covers of a belt. All details are established with new bearings, consolidations and laying. On a set only inlet and final collectors and hinged units are mounted. Prevention
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Carefully think over what of alternatives best of all suits you, before purchase of details consult in a local workshop of car service, with suppliers of spare parts, and also with sellers of spare parts.