REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mazda 626 (from 1991 to 1998, the year of issue)

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

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Mazda
	626
		Instructions
		Maintenance
		Engines
			Petrol engines (1,6 and 1,8 liters)
			Gasoline 4-cylinder engine (2 liters)
				Introduction
				Specifications
				Recommendations for repair
				The top dead point
				Cylinder Head Cover
				Springs, fasteners and gaskets Valve
				Gas distribution belt and sprocket
				Camshafts and tappets
				Intake manifold
				An exhaust manifold
				Cylinder head
				Front crankshaft oil seal
				Sump
				Oil pump
				A flywheel or a leading disk
				Crankshaft rear oil seal
				Engine Mounts
			Gasoline engine V6 (2,5 liters)
			A partition of engines (1,6 and 1,8 liters)
			Bulkhead engine (2.0 liters and 2.5 V6)
			The diesel engine of 2.0 liters
			Systems of an electric motor
		Heating and ventilation
		Fuel system
		An exhaust system
		Transmissions
		Coupling and semiaxes
		The brake system
		Chassis
		Body
		Electrical
		Wiring
		Tips and Tricks

printable version

Camshafts and tappets

Withdrawal

Sequence of a tightening of bolts

PERFORMANCE ORDER

1. Remove the cylinder head cover.
2. Remove the distributor of ignition.
3. Remove the gas distribution belt and sprocket camshafts.
	4. Measure the free lift shafts with a special instrument. If the value of a free wheeling exceeds admissible limits, replace the camshaft and / or the thrust plate or cylinder head.
5. Using the reverse sequence tightening, loosen several approaches (1/4 turns) bolts of covers of bearings of camshafts (see. Fig. Sequence of a tightening of bolts).
	6. Remove the lid and place them in order. All covers must be numbered and marked with the letters I (cover inlet camshaft) or E (cover exhaust camshaft).
7. Remove the camshaft.
	8. Remove the tappets with a magnet.
	9. Place the pushers in order to during installation not to confuse them.
A warning Hydraulic lifters should keep upside in clean engine oil.
10. Carefully clean camshafts and remove their seals.

Setting

PERFORMANCE ORDER

1. Apply pushers molybdenum grease and install them on the spot.

2. Apply molybdenum grease on the cams and necks of bearings of camshafts.

3. Install the shaft to the head. Install bearing caps shafts and insert the bolts.

4. Before installing do not forget to apply sealant to the junction with the head surface of the first cover.

5. Using the specified sequence, tighten the cap bolts in several steps (1/4 revolution) (see. Fig. Sequence of a tightening of bolts).

6. Install the new camshaft oil seals.

7. Install the remaining parts of the engine and check the operation. In the event, any extraneous sounds, inspect pushers (see. Subsection 3.1.10) or contact a specialist.

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Gas distribution belt and sprocket

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Intake manifold