REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mercedes-Benz C-Class (from 1993 to 2000, the year of issue)

general info. full specifications. diagnostics. hints. tips. tricks

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Mercedes-Benz
	C-class
		Introduction
		Maintenance
		Engines
			The petrol engine (DB)
				Introduction
				An identification number
				Engine
				Cars with air conditioning
				The bottom cover of the engine compartment
				Covers cast holes
				Chain tensioner
				Cylinder head cover
				Cylinder Head
				Camshafts
				Hydraulic bucket tappets
				Valve stem seals
				Valves
				Valve guide
				Valve seats in the cylinder head
				Compression
				V-belt
				Fault Diagnosis (OBD)
				General remarks
				Repair work without dismantle of the engine
				Engine Overhaul
			Diesel engine (DD)
		Lubrication system
		Cooling
		Heating and ventilation
		Ignition system
		Fuel system
		Chassis
		Steering
		Brakes
		Body
		Electrical

printable version

Chain tensioner

A warning

If the tensioner is reduced on the hexagon, it must necessarily be removed, except when screwing the control circuit will be too tight.

Withdrawal

4-cylinder engine

PERFORMANCE ORDER

	1. Remove the hydraulic clutch fan.
2. Remove the cylinder head cover.
3. Remove the fan shroud.
4. Set the engine 20 ?° below the ignition TDC of the first cylinder. To do this, place the transmission in the idle position and apply the parking brake. Turn the crankshaft with a wrench SW27 with a nozzle at the central bolt crankshaft pulley in the direction of rotation of the engine, ie. E. Clockwise to match the markings. The length of the nozzle wrench should be more than 42 mm.
	5. Insure the exhaust camshaft from turning. To do this, enter the appropriate pin (Mercedes-N 111 589 011 500) in camshaft flange hole (78) through the hole in the camshaft bearing cover. If the chain is removed, the same way fix the inlet camshaft.
A warning If you do not insert a locking pin (arrow), adjust the basic position of the camshaft.
6. Close the generator film or cloth.

6-cylinder engine

PERFORMANCE ORDER

7. Remove the V-ribbed belt.

8. If necessary, loosen and move the air pump on top of the chain tensioner.

ALL ENGINES

PERFORMANCE ORDER

9. Loosen the screw cover (1) by turning one turn using a socket wrench SW10.

10. Remove the chain tensioner in combination with the component (14) and remove.

11. Remove the screw cap (1) with a sealing ring (5). Remove the compression spring (8) with a pin (7).

12. Push back the pressure pin (10) with a detent spring (9).

13. Details individually thoroughly clean fuel and check the further fitness for use (risk plaque). Replace damaged parts, if necessary, replace the complete chain tensioner.

Setting

PERFORMANCE ORDER

1. Screw the motor unit to the housing chain tensioner (14) with a new sealing ring (15). Tightening torque 4-cylinder engine - 80 Nm, 6-cylinder - 50 Nm

2. Assemble the parts (7-10) as to their dismantling, and insert the mounted chain tensioner.

3. Replace the screw cap (1) with a new sealing ring (5) with a torque of 40 Nm, and the compressed spring.

4-cylinder engine

A warning

Remove the locking pin from the camshaft flange.

PERFORMANCE ORDER

4. Install the cylinder head cover.

5. Remove the covering film from the generator.

6. Install hydraulic clutch fan.

7. Start the engine and check the tightness of the chain tensioner.

6-cylinder engine

PERFORMANCE ORDER

4. Attach the air pump.

5. Put the V-ribbed belt.

6. Start the engine and check the tightness of the chain tensioner.

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Cylinder head cover