4-cylinder car engines Mazda 626 (6)

Technical data of the four-cylinder engine
Engine Cylinder diameter: 83.06 mm Piston stroke: 91.95 mm Displacement: 1991 cm³ (2.0 liters) Cylinder numbering (from the toothed belt side) — 1-2-3-4 The firing order...

General information about repairing a four-cylinder engine
This chapter describes the procedures for repairing a 4-cylinder engine without removing it from the vehicle. Information on engine removal and installation, as well as...

Repair operations performed without removing the engine
Many major engine repairs can be performed without removing the engine from the vehicle. Before carrying out any work, wash the engine compartment and the car body with...

Setting pistons to top dead center (BMT)
Note: The following procedure assumes that the distributor is installed correctly. If you need to set TDC to install the distributor, the piston position can be...

Cylinder head cover — removal and installation
Removal 1. Disconnect the negative cable from the battery. Warning. If your vehicle has an anti-theft audio system, before disconnecting the battery. make sure you have...

Valve springs and valve stem seals — replacement
Note 1: Broken valve springs and valve stem seals can be replaced without removing the cylinder head from the engine. This operation will require several special tools...

Timing Belt and Sprockets — removal, inspection, and installation
Removal 1. Disconnect the negative cable from the battery. Caution: If your vehicle has a theft-protected audio system, make sure you have the unlock code before...

Camshafts and tappets — removal and installation
Removal 1. Remove the cylinder head cover ( see paragraph 4 ). 2. On early models prior to 1997, remove the ignition distributor ( see chapter 5 ). 3. Remove the timing...

Intake manifold — removal and installation
Removal 1. Relieve the pressure in the fuel system ( see chapter 4 ). 2. Disconnect the negative cable from the battery. Caution: If your vehicle has a theft-protected...

Exhaust manifold — removal and installation
Caution! Allow the engine to cool completely before removing the manifold. Removal 1. Disconnect the negative cable from the battery. Caution: If your vehicle has a...

Cylinder head — removal and installation
Caution: Allow the engine to cool completely before removing the manifold. Removal 1. Relieve the pressure in the fuel system ( see chapter 4 ). 2. Disconnect the...

Front Crankshaft Oil Seal — replacement
1. Disconnect the negative cable from the battery. Caution: If your vehicle has a theft-protected audio system, make sure you have the unlock code before disconnecting...

Oil pan — removal and installation
Removal 1. Disconnect the negative cable from the battery. Caution: If your vehicle has a theft-protected audio system, make sure you have the unlock code before...

Oil pump — removal, inspection and installation
Removal 1. Disconnect the negative cable from the battery. Caution: If your vehicle has a theft-protected audio system, make sure you have the unlock code before...

Flywheel (faceplate) — removal and installation
Removal 1. Raise the vehicle and support it on stands. Remove the transmission ( see chapter 7 ). 2. On a model with a manual transmission, remove the clutch basket and...

Rear crankshaft oil seal — removal and installation
1. To perform this work, it is necessary to remove the transmission (see chapter 7). 2. Remove the flywheel (faceplate) ( see paragraph 14 ). 3 The old cuff can be...

Powertrain Supports — inspection and replacement
Examination 1. When checking, the engine should be raised significantly to remove the load from its supports. 2. Raise the vehicle and support it on stands. Place a...

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More sections on repairs of other Mazda models
• Model «B» engine: Engine repair Mazda Familia 5 (1985-1989)
• Power unit: Engine device (gasoline) Mazda3 BK (2003-2009)
• Power unit: Engine device Mazda6 GG (2002-2008)
• Power unit: Engine repair (diesel) Mazda BT-50 (1) (2006-2011)

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Capella 5 (1991-1997)