6-cylinder car engines Mazda 626 (6)

Technical data of the six-cylinder engine
Engine Cylinder diameter: 84.58 mm Piston stroke: 74.17 mm Displacement: 2494 cm³ (2.5 liters) Cylinder numbering (from the toothed belt side) Rear Block - 1-3-5 Front...

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

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

Setting piston No. 1 to top dead center (TDC)
Note: The following procedure assumes that the ignition distributor is installed correctly. If you need to set TDC for distributor installation, the piston position can...

Cylinder Head Covers — removal and installation
Removal 1. Disconnect the negative cable from the battery. Caution: If your vehicle has an anti-theft audio system, make sure you have the unlock code before...

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. Warning. If your vehicle has an anti-theft audio system, make sure you have the unlock code before...

Camshafts and tappets — removal and installation
Removal 1. Remove the cylinder head covers ( see paragraph 4 ), toothed belt and camshaft sprockets (paragraph 6). If you plan to remove the front camshafts, then on...

Intake manifold — removal and installation
Removal 1. Relieve the pressure in the fuel system ( see chapter 4 ). Disconnect the negative cable from the battery. Warning. If your car is equipped with an anti-theft...

Exhaust manifolds — removal and installation
Caution: Allow the engine to cool before starting this operation. Removal 1. Disconnect the negative cable from the battery. Warning. If your vehicle has a...

Cylinder heads — 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 for it before...

Front Crankshaft Oil Seal — replacement
Note: The manufacturer recommends replacing this seal after removing the oil pump. In this case, the old cuff can be knocked out from the back of the pump body, and the...

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

Oil pump — removal, inspection and installation
Removal 1. Remove the oil pan ( see paragraph 12 ). 2. Remove the timing belt and crankshaft sprocket ( see paragraph 6 ). 3. Remove the oil pump intake pipe (figure...

Flywheel/faceplate — removal and installation
The procedure for removing and installing the flywheel/faceplate is described in chapter 2A , but the bolts must be tightened to the torque specified in Technical data...

Rear Crankshaft Oil Seal — replacement
1. To perform this work it is necessary to remove the transmission ( see chapter 7 ). 2. Remove the flywheel (faceplate) ( see paragraph 14 ). 3. Cut the cuff around the...

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

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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)