Gasoline engines in a car Mazda 626 (3 and 4)

General information about gasoline engines
The engine block is cast iron, the removable cylinder head is cast aluminum alloy. The camshaft is mounted on the cylinder head, the force is transferred to the valves...

Technical data and characteristics of gasoline engines
Technical specifications Technical data

Cylinder head cover — removal and installation
Removing Remove the air filter. Remove the spool device and disconnect the crankcase ventilation hose. Turn away bolts and remove from the engine a cover of a head of...

Removal and installation of casings of a gear belt of a drive of a camshaft
Disconnect the wire from the negative battery terminal. Top casing Loosen the auxiliary drive belts and remove them. Remove all accessible bolts securing the camshaft...

Removal, installation and adjustment of a tension of a gear belt of a drive of a camshaft
Removing Remove the camshaft timing belt covers. Pic. 3.2. When installing the piston of the first cylinder at TDC, the marks must be aligned (A) on the crankshaft...

Timing belt driven pulley — removal and installation
Removing Remove the timing belt covers. Remove the toothed belt. Secure the driven pulley from turning by screwing a long mandrel bolt into the hole for one of the rear...

Crankshaft pulley — removal and installation
Removing Raise the front of the car and place on stands. Remove the front right wheel and mudguard. Loosen the drive belt and remove it from the pulleys. Loosen the...

Toothed belt drive pulley — removal and installation
Removing Remove the toothed belt. Insert a large screwdriver into the technological window in the clutch housing and insert it between the teeth of the flywheel crown,...

Replacing the oil pump seal — removal and installation
Removing Remove the camshaft timing belt cover and toothed belt. Remove the drive belt pulley and toothed belt pulley from the crankshaft. After placing a screwdriver...

Camshaft — removal and installation
Removing Remove the front camshaft timing belt cover, timing belt and driven pulley. Pic. 3.6. Elements of the cylinder head: 1 – a cover of a head of the block of...

Back cover — removal and installation
Removing Remove the ignition distributor. Drain the coolant and remove the thermostat. To collect oil from the cover body, place newspapers or rags under it. Turn away...

Valve drive mechanism — removal and installation
Removing Disconnect the wire from the negative battery terminal. Remove the cylinder head cover. Pic. 3.8. The sequence of unscrewing the bolts of the valve drive...

Replacing the front camshaft oil seal
Remove the timing belt drive timing. Remove the timing belt pulley from the camshaft. Remove the oil seal with a screwdriver, taking care not to damage the seal lip....

Valves, springs and valve stem seals
Removing Remove the valve drive mechanism. Remove the cylinder head. Pic. 3.11. Using the Valve Spring Compressor Compress the valve springs with a special tool and...

Intake manifold — removal and installation
Removing Disconnect a wire from the negative plug of the storage battery and remove the air filter. Drain the coolant. Remove the air filter. Disconnect the air damper...

Exhaust manifold — removal and installation
Removing Disconnect the wire from the negative battery terminal. Remove the connection of pipelines of the air supply system. Remove the connection to the air supply...

Cylinder head — removal and installation
Removing Disconnect the wire from the negative terminal of the battery, remove the air filter and air supply pipes. Drain the coolant and disconnect the upper hose from...

Rear timing belt cover — removal and installation
Removing Remove the camshaft timing belt cover and toothed belt. Remove the timing belt pulley from the camshaft. Remove the bolts and use a screwdriver to carefully...

Oil pump — removal and installation
Removing Pic. 3.15. Oil pump removal sequence: 1 – a pulley of a gear belt of a cranked shaft; 2 - oil receiver; 3 - oil pan Remove the timing belt cover, timing belt...

Oil pump repair
Disassembly Pic. 3.17. Oil pump details: 1 - retaining ring; 2 - bypass valve of the pressure regulator; 3 - stuffing box; 4 - pump casing; 5 - internal gear; 6 - outer...

Flywheel, clutch and crankshaft rear oil seal
Removing Remove the gearbox. Pic. 3.21. Clutch and crankshaft rear oil seal: 1 - gearbox; 2 - clutch (Manual Transmission); 3 - flywheel (Manual Transmission) or master...

Flywheel ring gear replacement
Below are the operations to replace the flywheel ring gear when damaged teeth. Removing the ring gear on vehicles with automatic transmission is not provided. Remove...

Oil heat exchanger
When the engine is equipped with an oil heat exchanger, the latter is installed between the oil filter and the cylinder block. Two hoses are designed to supply and...

Oil pan — removal and installation
Removing Disconnect the wire from the negative battery terminal. Raise the front of the car and place on stands. Drain the engine oil from the engine. Remove the engine...

Replacement of engine suspension elements without removing the engine from the car
Engine suspension elements can be replaced without removing the power unit from the vehicle (engine with gearbox). The hardening of the rubber buffers of the engine...

Possible engine malfunctions, their causes and remedies
Possible engine malfunctions, their causes and remedies

This section is available on: russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

More sections on repairs of other Mazda models
• Power unit: Petrol engines Mazda Familia 6 (1989-1994)
• Power unit: Petrol engines 2.0 l Mazda CX-5KE (2012-2017)
• Power unit: Petrol engine 1.25/1.4 l Mazda 121 (3) (1996-2003)

Share with friends on social networks:

Link in different formats to this section

TEXTHTMLBB Code

Capella 5 (1991-1997)