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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mercedes-Benz M-Class (W163, 1997 issue)

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Mercedes-Benz W163
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Mercedes-Benz
W163
Introduction
Controls and receptions of safe operation
Current care and maintenance
Engine
Check the compression pressure in the cylinders
Checking the engine by means of the vacuum gauge
Replace accessory drive belt and its tension elements of the mechanism
Petrol models
Diesel models
Removing and installing engine
Removal and installation of covers of timing
Replacing the gas distribution chain
Removal and installation of components of timing
Setting up the base camshaft
Checking the reference position of the balancing shaft (only engines Series 628)
Removal and installation of components of timing
Removal and installation of a head (s) of cylinders
Removal and installation of the motor off the inlet port (612 series engine)
Removing and installing exhaust manifold
Replacement of a forward epiploon of a cranked shaft
Removing and installing rear end cover, replace the crankshaft rear oil seal
Removing and installing vibration damper / belt pulley
Removal and installation of a flywheel / drive disc
Removal and installation of supports of the suspension of the power unit
Service lubrication systems
System of cooling, heating and air conditioner
The power supply system and exhaust
Systems of an electric motor
Manual box of a gear change
The transmission automatically processed
Transmission Line
Brakes and auxiliary systems
Suspension and steering
Body
Onboard electric
 


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Diesel models



Preparing to remove engine series 612

Preparing to remove engine series 612


PERFORMANCE ORDER

  1. Illustrative material to prepare for the removal of the engine is shown in the illustrations, which include all the links in the text.
  2. Open the hood and prop it upright.
  3. Disconnect the negative wire from the battery.
  4. Remove the cylinder head covers.
  5. Remove the lower section of the soundproofing.
  6. Drain the cooling system (see chap. Power supply system and exhaust).
  7. Remove coolant expansion tank (1).
  8. Disconnect the hose (2) cooling path extending from the thermostat housing to the radiator.
  9. Remove the air inlet (4/3).
  10. Remove the air intake hose (4/2).
  11. Remove the electric blower (3) of the cooling system.
  12. Install radiator screen protection / compressor K / V.
  13. Remove the accessory drive belt (6).
  14. Pump the hydraulic fluid from the reservoir power steering (see chap. Power supply system and exhaust).
  15. Disconnect the power steering line path (5) from the radiator.
  16. Disconnect the power steering line path (13) from the steering pump - immediately plug the open end of the hose and nozzle receiver.
  17. Disconnect the vacuum hose (10) from the control unit charging. Also, disconnect the vacuum lines (11 and 12) coming to the mixing chamber and a vacuum pump.
  18. Detach the air hose (19) from the turbocharger.
  19. Pick up the handset (110/5), the air supply to the mixing chamber pressurization.
  20. Disconnect tube cooling path (14 and 15) of the water pump.
  21. Disconnect the hose (16) fuel cooler.
  22. Disconnect the hose (17) of low-temperature cooler and remove the hose (18) is supplied to the thermostat housing.
  23. Disconnect the fuel feed pipe (8) of the preheating.
  24. Disconnect from fuel cooler return line (9).
  25. Disconnect the connector (s) of the engine wiring harness.
  26. Remove the tube (19) extending from the turbocharger (110) to the air coolers.
  27. Disconnect the electrical wiring from the compressor K / V.
  28. Otboltite compressor K / V (21).
  29. Post on the winch motor.
  30. Remove the bolts from the holes for the installation of a backup on the transmission housing.
  31. Prop up transmission.
  32. Turn out bolts of transmission to the engine.
  33. Loosen the spring-loaded mounting joint primary catalytic converter to the main three-functional catalytic converters (TWC).
  34. Release fasteners Front Mount the power unit (22) to the frame of the car.
  35. Separate the engine from the transmission, and carefully remove it from the engine compartment of the vehicle.
  36. Installation is in the reverse order.

M628

Preparing to remove engine series 628

Preparing to remove engine series 628


PERFORMANCE ORDER

  1. Illustrative material to prepare for the removal of the engine is shown in the illustrations, which include all the links in the text.
  2. Open the hood and prop it upright.
  3. Disconnect the negative wire from the battery.
  4. Lift the cover of the power unit.
  5. In the context of the workshop Car make discharge air conditioning system.
  6. Remove the left and right headlight unit (see chap. Body).
  7. Remove the top crossbeam of the frame (see chap. Body).
  8. Remove the tank Windshield washer fluid (see chap. Body).
  9. Remove the air cleaner assembly (18).
  10. Pre pumping the hydraulic fluid, remove the reservoir (21), the steering pump support plate sleeve distribution of intake air.
  11. Remove the left front wheel.
  12. Remove wheel arch locker protection.
  13. Through the wheelhouse, separate the refrigeration line (13) of the compressor K / V.
  14. Also, through the arch, disconnect the fuel line (14).
  15. Remove the lower section of the soundproofing.
  16. Drain the cooling system (see chap. Power supply system and exhaust).
  17. Disconnect from the cooler (11) Air Hoses (9 and 10), right and left turbochargers and turbocharging air hose (12).
  18. Release the clamps of the primary catalytic converter on left and right turbocharger.
  19. Remove the screws of the dome transmission to the engine (except the bottom).
  20. Give nuts of the left and right suspension towers of the power unit.
  21. Remove the cover (30) service of the window and remove the bolts to the rotation converter equipped with ring gear disk drive starting.
  22. Separate from the transmission case left and right drain hoses (28 and 29).
  23. Disconnect the radiator (1) Ventilation (5) and feeding (4 and 6) hoses.
  24. Disconnect from a radiator cooling line path ATF (2 and 3).
  25. Disconnect from a radiator cooling fluid path line GUR (7 and 8).
  26. Remove the electric cooling fan (see chap. System of cooling, heating and air conditioner).
  27. Install radiator screen protection / compressor K / V.
  28. Disconnect hoses (15 and 17), the low-temperature cooler.
  29. Disconnect the return hose heater (16).
  30. Disconnect the connectors for wiring sensors MAF (B2 / B2 and 6/7).
  31. Remove the diffuser (20) to the air inlet sleeve (24).
  32. Remove coolant expansion tank (19).
  33. Remove the supply hose to the left of the heat exchanger on the engine compartment bulkhead.
  34. Remove the circulation pump cooling system (optional) with the shield and the battery without disconnecting the hoses, move it to one side.
  35. Release the fasteners and remove the oil filler tube (27) ATF with the cylinder head cover.
  36. Separate from the mounting fuse and relay the vacuum line of the intake port shut-off valve (23) and a vent hose cooling system.
  37. Disconnect the vacuum line of the intake port shut-off valve (23) from the brake servo amplifier.
  38. Disconnect from the compressor K / refrigerated line (26).
  39. Disconnect from the steering pump pressure line (25).
  40. Disconnect the drive cable from the position sensor (22).
  41. Remove the position sensor (22) from the bulkhead.
  42. Disconnect the connector (s) of the engine wiring harness.
  43. Post engine on the winch, fully unloaded Front Mount power unit.
  44. Prop up transmission.
  45. Remove the lower bolts of the dome of transmission to the engine.
  46. Pulling the engine forward, separate it from the transmission, then gently remove it from the engine compartment.
  47. Installation is in the reverse order.
  48. Fill the cooling system with fresh coolant in a service station to charge the system K / V. Check the ATF, if necessary, make appropriate adjustment (see chap. Power supply system and exhaust).
  49. Finally, connect the DLC reader STAR DIAGNOSIS and make a survey of the processor memory for the presence of fault codes (DTC). After completing the necessary corrections, clean the system memory.




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Removing and installing engine

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