Petrol 4-cylinder engines Opel Omega B2

Description of specifications and repair procedures for 4-cylinder gasoline engines.

Petrol 4-cylinder engine specifications
Tightening torques for threaded connections, Nm Heat shield to exhaust manifold mounting bolts - 8 Ignition unit to cylinder head. Bolts M8 - 20 Ignition unit...

General description of the engine
About Section 1. This Part of Section 2 covers repair operations performed in the engine compartment. The procedures for removing, installing and overhauling...

Compression Test — Description
1. If your engine is not producing full power or is running rough, or if it is misfiring and the problem is not with the ignition system or fuel system, a...

Setting the piston of cylinder No. 1 to top dead center (TDC)
1. TDC is the highest point of the cylinder that the piston reaches. In a 4-stroke engine, each piston reaches TDC twice per cycle - on the compression stroke...

Camshaft Cover — Removal and Installation
Removal 1. Loosen the clamps and disconnect the breather hoses from the camshaft cover (see illustration). 2. Loosen the mounting screws and remove the spark...

Crankshaft pulley — removal and installation
Removal 1. Remove the auxiliary drive belt (see the relevant section), having previously marked the direction of rotation on it. 2. After installing the socket...

Timing Belt Covers — Removal and Installation
Outer cover Removal 1. Remove the auxiliary drive belt ( see the relevant section ), having previously marked the direction of rotation on it. 2. Loosen and...

Toothed drive belt — removal and installation
Attention! Removal and installation of the toothed belt can only be performed on a cold engine. Removal 1. Disconnect the negative cable from the battery, then...

Timing Belt Sprockets, Tensioner and Idler Pulleys — Removal and Installation
Camshaft sprockets Please note: New sprocket mounting bolts will be required for installation. Removal 1. Remove the toothed drive belt as described in Chapter...

Camshaft Seals — Replacement
1. Remove the camshaft sprocket as described in Chapter 8 . 2. Carefully punch or drill two small holes in the seal. Screw self-tapping screws into them and,...

Camshafts and hydraulic tappets — removal, inspection and installation
Removal 1. Remove the timing belt ( see Chapter 7 ), but before releasing its tension, turn the crankshaft back approximately 60° (4 teeth). This will...

Cylinder head — removal and installation
Removal Caution! Allow the engine to cool before removing the cylinder head. Use new cylinder head bolts when installing. 1. Disconnect the negative cable from...

Pallet — removal and installation
Attention! The engines described are equipped with two types of oil pans. Early models are equipped with a single pan made of stamped steel, while later models...

Oil pump — removal, overhaul and installation
Removal 1. Drain the engine oil ( see the relevant section ), then install a new sealing washer and tighten the drain plug to the specified tightening torque...

Crankshaft balancer unit — removal, installation and adjustment
Attention! New balancer block mounting bolts will be required during installation. Removal 1. Remove the oil pan and oil pump suction tube/strainer ( see...

Flywheel/Drive Disc — Removal, Inspection and Installation
Caution: New flywheel/drive plate mounting bolts will be required during installation. Removal Models with manual transmission 1. Remove the transmission ( see...

Crankshaft seals — replacement
Front oil seal (near the toothed drive belt) 1. Remove the crankshaft sprocket as described in Chapter 8 . 2. Carefully punch or drill two small holes in the...

Engine/Transmission Mounts — Inspection and Replacement
Inspection 1. For better access, jack up the front of the car and place it on axle stands. Unscrew the mounting bolts and remove the lower shield from under...

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