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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
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 112)
Removal and installation of components of timing
Removal and installation of a head (s) of cylinders
Removal and installation of the inlet pipeline
Removing and installing exhaust manifold
Removal and installation of the end cap, replacing 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
Diesel models
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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Replacing the gas distribution chain



Replacing the gas distribution chain to the engine 111 series

Illustrative material to replace the timing chain Engine 111 series is presented in the figure, which includes all the links in the text.

Withdrawal

PERFORMANCE ORDER

  1. Remove the cylinder head cover (20).
  2. Remove the spark plugs.
  3. Provernuv the crankshaft in the normal direction, bring the piston of the first cylinder in position of 20 ?� after TDC.
  4. By means of the locking rods (01) fasten the inlet (75) and an outlet (78) camshafts.
  5. Remove the chain tensioner (14).
  6. With the help of a special device (02) secure the chain (4).
  7. With the help of a special device dismember links in the chain and remove the latest from the engine.

Setting

PERFORMANCE ORDER

  1. Start a new chain on the regular place and with the help of special tools make joint units.
  2. After completing the necessary arrangements (see. Section Removal and installation of components of timing), set the chain tensioner (14).
  3. Check the base camshaft (see. Section Setting up the base camshaft).
  4. Install the cylinder head cover.
  5. Start the engine and check for any signs of leaks.

M112 / 113

Replacing the gas distribution chain on engines series 112 and 113

1 - The holder of the gas distribution chain (right)
2 - The holder of the gas distribution chain (left)

3 - Rod Lock camshaft (right)
4 - head screw type TORX

Illustrative material to replace the timing chain series motors 112 and 113 is represented by the illustration, which includes all the links in the text.

Withdrawal

PERFORMANCE ORDER

  1. Disconnect the negative wire from the battery.
  2. Remove the spark plug
  3. Remove the cylinder head cover.
  4. Remove the electric cooling fan / fan assembly with the viscous coupling (depending on configuration) and the fan shroud.
  5. Provernuv the crankshaft in the normal direction, bring the piston of the first cylinder in position of 40 ?� after TDC, - the camshafts must turn grooves to the center line of the engine and freely fixed locking pins.

On models equipped with an air pump before installing the right locking pin is necessary otboltit combination valve. Copper plating chain segments should be aligned with the marks on the camshaft sprockets, - in order to achieve the desired result may need to crank up to 14 times.

  1. Remove the chain tensioner (see. Section Removal and installation of components of timing).
  2. Remove the camshaft position sensor (CMP).
  3. Provernuv the crankshaft in the normal direction, provide convenient access to dismember chain links.
  4. Remove the bearing cap bridge right camshaft.
  5. With the pin (3), lock the right camshaft.
  6. Attach the chain (1 and 2).
  7. With the help of a special device dismember links in the chain and remove the latest from the engine.

Setting

PERFORMANCE ORDER

  1. While cranking the engine in the normal direction, get a new chain on the regular place.
  2. Remove the cylinder head with the chain holders (1 and 2).
  3. With the help of a special device make a joint chain links.
  4. Rotate the crankshaft in the normal direction and achieve the desired combination of adjusting labels.
  5. Remove the blocking right camshaft hub (3).
  6. Install the bearing cap bridge right camshaft.
  7. Place the sensor CMP.
  8. Install chain tensioner.
  9. Install the fan shroud.
  10. Install the fan assembly.
  11. Install the cylinder head cover.
  12. Replace the spark plug.
  13. Connect the negative cable to the battery.




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Removal and installation of components of timing

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