Repair of petrol engines of the car Opel Omega B

Technical specifications
2.0 liter engine Maximum deformation of the gasket surface 0.05 mm Cylinder head height: – SOHC 95.75 – 96.25 mm – DOHC 134 mm Valve seat width: – SOHC: •...

Compression check
If the engine runs poorly or intermittently, check the ignition system and fuel system. If the reasons for poor engine performance cannot be found, perform a...

Engine overhaul
It is not always easy to come to a conclusion about the advisability of a complete engine overhaul, since it is necessary to rely on a number of objective...

Engine diagnostics using a vacuum gauge
Measuring vacuum is a reliable and relatively cheap way to diagnose an engine. The vacuum gauge readings can provide information on the condition of the piston...

Checking the compression in the engine cylinders
The results of the compression test in the engine cylinders allow us to judge the condition of a group of parts in the upper part of the engine (pistons,...

Engine Overhaul — Alternatives
When performing a major overhaul on your own, there are various options. The decision to replace the cylinder block, connecting rod and piston group, and...

Engine accessories
Engine accessories (intake and exhaust manifolds, clutch, spark plugs, distributor and oil filter) can be removed separately from the installed engine, but it...

Dismantling the power unit — methods and safety precautions
If a decision has been made to dismantle the engine for major repairs or repairs of major components, then certain preparatory measures must be carried out. It...

Removal and installation the engine
Removal 1. Remove the hood. 2. Remove the battery. 3. Raise and support the front of the vehicle and remove the lower engine shield. 4. Drain the coolant and...

Engine overhaul
Carry out engine overhaul in a clean, specially equipped place. It is necessary to prepare all the necessary tools and take safety precautions during this...

Cylinder head and valves
Bulkhead 1. Remove the cylinder head. On 2.0L (DOHC), 2.5L and 3.0L engines, remove the camshafts and tappets. 2. Compress the spring of each valve in turn...

Pistons and connecting rods
Removal 1. On 2.0L SOHC engines, remove the cylinder head and oil pan. Remove the oil pickup tube and baffle plate. 2. On 2.0L engines, remove the cylinder...

Crankshaft
2.0 liter engines 1. Remove the oil pump and flywheel. 2. Remove the pistons and connecting rods. 3. Check the crankshaft free play. 4. The main bearing caps...

Cylinder block
Cleaning 1. Disconnect all external parts and sensors from the unit. 2. Clean off all traces of sealant. 3. Unscrew or drill out the oil channel plugs. Cut an...

Main and connecting rod bearings
Main bearing shell marking Causes of bearing wear 1. Reduction of the metal's tensile strength; jagged scratches 2. Incorrectly planted; bright (polished...

Piston rings
Correct arrangement of piston ring end gaps I. Compression rings II. Lateral elements of the oil scraper ring Installation 1. Before installation, it is...

First engine start after overhaul
Warning: Before starting the engine for the first time, have a fire extinguisher ready. 1. After completing engine assembly, double check the oil and coolant...

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See similar ones from other Opel car manuals:
▶ OHV power unit: Check and repair Opel Kadett E (1984-1995)
▶ Body: Repair and care Opel Frontera A (1991-1998, petrol)

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