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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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Removal and installation of components of timing



Details of the installation of the engine crankshaft sprocket Series 111

Details of installation of the chain guide on the cylinder head of the engine 111 series

M111

Crankshaft sprocket

PERFORMANCE ORDER

  1. Details of the installation of the engine crankshaft sprocket Series 111 are shown in the illustration, which includes all the links in the text.
  2. Remove the pan (see. Section Service lubrication system).
  3. Remove the timing cover (see. Section Removal and installation of covers of timing).
  4. Otboltite asterisk (6) oil pump drive, or remove the pump assembly (see. Section Service lubrication system).
  5. Remove the oil pump drive chain (8).
  6. Remove the gas distribution chain (see. Section Replacing the gas distribution chain), - for skidyvaniya chain from the crankshaft sprocket (11) move aside the tensioning rail.
  7. With the help of a stripper (06), remove the crankshaft sprocket (11).
  8. Installation is in the reverse order. If necessary, before landing a star on the shaft journal should be warm, and make sure the correctness of entering the segment keys (12) in the receiving groove. Chain guide to the cylinder head
  9. Details of installation of the chain guide on the cylinder head of the engine 111 series are shown in the illustration, which includes all the links in the text.
  10. Remove the front cover (23) of the cylinder head (see. Section Removal and installation of covers of timing).
  11. Provernuv the crankshaft in the normal direction, bring the piston of the first cylinder in position of 20 ?� after TDC.
  12. By means of blocking pins (01) lock the inlet (75) and an outlet (78) camshafts.
  13. Remove the chain tensioner (14) (See below.).
  14. Otboltite and remove the chain guide (70).
  15. Installation is in the reverse order.

Chain guide on the cover of the timing

Details of installation of the chain guide on the cover of the timing of the engine 111 series


PERFORMANCE ORDER

  1. Details of installation of the chain guide on the cover of the timing of the engine 111 series are shown in the illustration, which includes all the links in the text.
  2. Remove the cylinder head (see. Section Removal and installation of a head (s) of cylinders).
  3. Remove the timing cover (65) (see. Section Removal and installation of covers of timing).

The need for the dismantling of the oil pan is missing, - try not to damage the seal pan.

  1. Remove the chain guide (6) with bearing pins (8).
  2. Installation is in the reverse order.

Chain tensioner

Details of the installation of the gas distribution chain tensioner Engine Series 111

The construction of the gas distribution chain tensioner Engine Series 111

1 - Plug
2 - The ball check valve backflow
3 - Spring
4 - Guide the ball
5 - Aluminium sealing element
7 - Stem
8 - Spring
9 - The spring-loaded clamp
10 - Emphasis
11 - Ball pressure reducing valve
12 - Spring
13 - Emphasis (pressed)

14 - Housing tensioner
15 - Aluminium sealing element
16 - Housing cover tensioner
17 - Cylinder head
18 - Bolt with washer
19 - Tension bracket
20 - Cylinder head gasket
21 - Gas distribution chain
22 - Plastic friction lining trims
A - an oil supply path
B - Oil receivers tensioner


PERFORMANCE ORDER

  1. Details of installation and design features of the gas distribution chain tensioner Engine 111 series are shown in the illustrations, which include all the links in the text.
  2. Remove the air cleaner cover (see chap. Power supply system and exhaust).
  3. On models equipped with the charge air, remove the compressor.
  4. To avoid zaskakivaniya circuit when it is removed for the crankshaft sprocket, rotate the crankshaft in the normal direction and bring the piston of the first cylinder in position of 20 ?� after TDC, - viewed through the oil filler neck cam drive the intake valve (26) should be expanded working ledge upwards at an angle - Remove the cover (25).
  5. Wrap a clean rag generator.
  6. Loosen the end cap (1) and remove the tensioner assembly (14).
  7. Installation is in the reverse order - to forget to replace a sealing element (15).
  8. Finally, start the engine and check the tensioner assembly for signs of leaks.

Tensioner Lever

Details of installation tensioning straps on the engine 111 series


PERFORMANCE ORDER

  1. Details of installation tensioning straps on the engine series 111 shown in the illustration, which includes all the links in the text.
  2. Remove the cylinder head (see. Section Removal and installation of a head (s) of cylinders).
  3. Remove the timing cover (65) (see. Section Removal and installation of covers of timing).

The need for the dismantling of the oil pan is missing, - try not to damage the seal pan.

  1. Remove the tension bar (19) carrying the pin (17).
  2. Installation is in the reverse order.

M112 / 113

Chain guide on the cover of the timing

Details of the installation guide on the cover of the circuit timing engine series 112 and 113

1 - chain guide
2 - Crankshaft
3 - balancer shaft


PERFORMANCE ORDER

  1. Details of the installation of the gas distribution chain guide on engines series 112 and 113 are shown in the illustration, which includes all the links in the text.
  2. Remove the trim panel of the power unit.
  3. If necessary, remove the protection crankcase (see chap. Body).
  4. On models equipped with engine 113.942 (ML 230), remove vozduhootboynik.
  5. Drain the engine oil (see chap. Power supply system and exhaust).
  6. Remove the cylinder head (see. Section Removal and installation of a head (s) of cylinders).
  7. Remove the bottom section of the oil pan (see. Section Service lubrication system).
  8. Remove the timing cover (see. Section Removal and installation of covers of timing).
  9. At the same time removing from the mounting bolts, remove the chain guide (1).
  10. Installation is in the reverse order.

Chain tensioner

M112 / 113 (except M113.965 / 981)

Details of installation of chain tensioner engines series 112 and 113 (except 113.965 / 981)


PERFORMANCE ORDER

  1. Details of installation of the chain tensioner on the engines of series 112 and 113 (except 113.965 / 981) are shown in the illustration, which includes all the links in the text.
  2. Remove the cooling fan assembly with the viscous coupling (1).
  3. Remove the fan cover (2).
  4. Remove the accessory drive belt (3).
  5. Remove the generator (4) (see chap. Systems of an electric motor).
  6. Remove the tensioner (6) the timing cover (5).
  7. Installation is performed in reverse order - do not forget to replace a sealing element.

M113.965 / 981

Details of installation of chain tensioner Engine 113.965 / 981


PERFORMANCE ORDER

  1. Details of installation of the chain tensioner on the engine 113.965 / 981 are shown in the illustration, which includes all the links in the text.
  2. Remove the fan assembly (2 and 1).
  3. Remove the generator (G2) (see chap. Systems of an electric motor).
  4. Remove the tensioner (6) the timing cover (5).
  5. Installation is performed in reverse order - do not forget to replace a sealing element (7).





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Setting up the base camshaft

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