REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mazda 3 (2003 release)

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Mazda
	3
		Operation and maintenance of car
		Engine
			General description new engines models L8, LF, L3
			The mechanical part of engines
				Engine Model L8 or LF
				Checking the contents of the CO / CH in the exhaust gas
				Measurement of engine compression
				Verify accessory drive belt
				General information and safety when removing the power unit
				Removal of sealant
				Removal and installation of the power unit
				Check actuator variable valve timing (L3)
				Removal and installation of the actuator variable valve timing (L3)
				Timing chain drive
				Removal and installation of the oil control valve (OCV) (L3)
				Checking the oil control valve (OCV) (L3)
				By operation of the spool valve (OCV) (L3)
				General repair operations on the power unit
				Check the cylinder head
					Check the valve guide
					Measuring the length of the valve
					Measure the diameter of the valve stem
					Measurement of the internal diameter of the valve guide
					Measuring the height of protrusion of the valve guide
					Replacing the valve guide
					Pressing the valve guide
					Check and repair the valve seat
					Check the valve spring
					Checking camshaft
					Measure the diameter of the neck of a cam
					Measurement of radial clearance of cervical camshaft
					Measuring axial clearance of cervical camshaft
					Check valve tappet
					Checking cylinder
					Check valve nozzle maslorazbryzgivayuschego
					Check the piston
					Checking crankshaft
					Measurement of run-out of the crankshaft
					Measure the diameter of the necks of the crankshaft
					Measurement of radial clearance in the crankshaft bearing
					Check the connecting rod side clearance
					Measurement of the radial clearance of the connecting rod
					Check the bolts
				Assembling the cylinder (the beginning)
				Assembling the cylinder (the end)
				Assembling the cylinder head
				Assembling the valve timing
			Appendix 1
			Annex 2
			Appendix 3
			Engine Z6 - mechanical part
			Lubrication system
			Cooling system
			Intake system
			Fuel system
			Exhaust and Emission
			Ignition system
			Control system
			Tables
		Transmission
		Chassis
		Steering Gear
		Brakes
		Onboard electric
		Body

printable version

Measure the diameter of the neck of a cam

Fig. 2.154. Measure the diameter of the neck of a cam

Measure the diameter of the shaft journal in the X and Y directions at the two points (A and B), as shown 2.154.

If the values are not correct, replace the camshaft.

Standard diameter: 24,96-24,98 mm.

Minimum Diameter: 24.95 mm.

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Measurement of radial clearance of cervical camshaft