Mercedes S-class W202

1993-2000 of release

Repair and car operation



Mercedes W202
+ 1.2. The general data
+ 2. Maintenance service
- 3. Engines
   3.1.2. Identification number
   + 3.1.3. The engine
   3.1.4. Cars with the conditioner
   3.1.5. The bottom cover of a motor compartment
   3.1.6. Covers of cast apertures
   3.1.7. Натяжитель chains
   + 3.1.8. A cover of a head of the block of cylinders
   + 3.1.9. A head of the block of cylinders
   + 3.1.10. Camshafts
   3.1.11. Hydraulic тарельчатые pushers
   3.1.12. Maslootrazhatelnye caps
   3.1.13. Valves
   3.1.14. Directing valves
   3.1.15. Saddles of valves in a head of the block of cylinders
   3.1.16. A compression
   + 3.1.17. A klinovyj belt
   3.1.18. Diagnostics of malfunctions (DB)
   3.1.19. Broad-brush observations
   3.1.20. Repair work without engine dismantle
   - 3.1.21. Engine major repairs
      3.1.21.2. Alternatives
      3.1.21.3. Engine dismantle
      3.1.21.4. Sequence of dismantling
   + 3.2. The diesel engine (ДД)
   3.2.3. Cars with the conditioner
   3.2.4. The bottom cover of a motor compartment
   3.2.5. Covers of cast apertures
   3.2.6. Натяжитель chains
   + 3.2.7. A camshaft
   + 3.2.8. A head of the block of cylinders
   + 3.2.9. Maslootrazhatelnye caps
   3.2.10. A cover of a head of the block of cylinders (2,2/2,5)
   3.2.11. Hydraulic тарельчатые pushers
   3.2.12. Valves
   3.2.13. Directing valves
   3.2.14. Saddles of valves in a head of the block of cylinders
   3.2.15. A head of the block of cylinders and the motor block
   3.2.16. A compression
   3.2.17. Клиновой a ridge belt
   3.2.18. The pulling device клинового a ridge belt
   3.2.19. Diagnostics of malfunctions (ДД)
+ 4. Greasing system
+ 5. Cooling system
+ 6. Heating, ventilation
+ 7. Ignition system
+ 8. Fuel system
+ 9. Transmission
+ 10. A running gear
+ 11. A steering
+ 12. Brake system
+ 13. A body
+ 14. An electric equipment
+ 14.2. Electroschemes







3.1.21.2. Alternatives
THE GENERAL DATA

At independent performance of major repairs various variants are possible. The decision on replacement of the block of cylinders, shatunno-piston group and a cranked shaft depends on variety of factors from which the most important is the condition of the block of cylinders. Other reasons are repair cost, access possibility to the equipment of workshops of car-care centre, presence of spare parts, time planned for work, and also personal experience.

Here some of variants of performance of major repairs.

Acquisition of separate spare parts

If inspection shows that the block of cylinders and the majority of details in a satisfactory condition and can be used further the most expedient from the economic point of view is purchase of separate spare parts. The block of cylinders, shatunno-piston group and a cranked shaft should be surveyed carefully. Even if insignificant deterioration of the block of cylinders is found out, cylinders are subject obligatory хоннингованию.

Cranked shaft of a full complete set

This repair complete set includes перешлифованный a cranked shaft and a set of the pistons adjusted on the size and rods. Pistons are already established on rods. The complete set also includes a set of piston rings, radical and шатунных loose leaves. These complete sets usually contain pistons both standard, and all repair sizes.

The block of cylinders of an incomplete complete set

The block of cylinders of an incomplete complete set contains the block of cylinders with established krivoshipno-shatunnym the mechanism and piston group. Into the complete set enter new кореннные and шатунные loose leaves, and all backlashes correspond to norms. On the complete set the mechanism, a head of the block and hinged units are mounted an available cam-shaft, клапанный. Expenses for machining are minimum or are not required absolutely.

The block of cylinders of a full complete set

The block of cylinders of a full complete set contains all complete 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, клапанный the mechanism, gear wheels of a drive of a cam-shaft, a gear belt and belt covers. All details are established with new bearings, consolidations and linings. On the complete set inlet both final collectors and hinged units are mounted only.

Carefully think over, what of alternatives to you is better approaches, before purchase of details consult in a local workshop of car-care centre, with suppliers of spare parts, and also with sellers of spare parts.