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
					4-cylinder engine
					6-cylinder engine
				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

Camshafts

A warning

If items control valves will be used again, they need to be installed on the same place. To avoid confusion, it is recommended to make the appropriate panel for storage. The camshafts are dismantled in an upward direction when installed cylinder head.

Withdrawal

PERFORMANCE ORDER

1. Disconnect a wire of "weight" batteries.

A warning

When disconnecting the battery damped anti-theft radio code.

2. Remove the front cover.

3. Set the first cylinder 20 ?� below TDC ignition.

4. Note: in such a situation (below 20 ?� TDC) can rotate the camshafts at the removed control circuit so that the valves do not contact the base of the piston.

5. Remove the cylinder head cover.

6. Remove chain tensioner.

7. Paint mark the position of the control circuit with respect to both the gear control circuit camshafts. To do this, apply a bar across the chain and sprocket.

8. Remove the exhaust camshaft gear wrench packed with T40, while holding the camshaft at hexagon. Remove the camshaft gears.

9. Remove the control circuit to the intake camshaft gear.

10. Turn camshafts spanner to all the main circle of the cams fit with the bucket tappets. Due to this voltage without camshafts are fixed in the bearings.

A warning

The camshafts are very sensitive to damage.

11. Remove the camshaft bearing caps.

12. Remove all the screws of the bearing cover crosswise first 1/2 turn, then all of the bolts on 1 turn and then finally loosen.

13. Remove bearing cap.

14. Remove the camshafts.

Setting

PERFORMANCE ORDER

1. Thoroughly clean all mounting parts with benzine, clean the sealing surfaces.

2. Apply engine oil to the camshafts, bucket tappets and the bearing seat.

3. Install the camshafts so that if possible all of the major circumference cams adjoined to the bucket tappets.

A warning

The intake camshaft can be installed with or without the camshaft gears. If the camshaft is replaced, pay attention to proper approval. The index of the camshaft is the second bearing on the camshaft.

4. Install the camshaft bearing caps in the correct sequence.

5. Bearings and camshaft covers please number in order from 1 to 10.

6. Tighten bearing caps alternately with a torque of 20 Nm

7. The control circuit overlay on top of the intake camshaft gear and the tire slip.

A warning

The engine capacity of 2.2 liters: rotate the camshaft about the intake camshaft gear (75) to "spat" (late) to the stop in the direction of rotation of the camshaft.

8. Install the exhaust camshaft gear into the control circuit and tighten the bolt with a new collar with a torque of 20 Nm Then tighten the bolt in the same direction spanner by 90 ?�.

9. Check coincidence applied when removing marks on the camshaft gears, and control circuit.

10. Install chain tensioner.

11. Install the cylinder head cover.

12. Install the front cover.

13. Connect the "weight" of the battery (-).

14. Set the clock.

15. Set the anti-theft code for the radio.

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4-cylinder engine