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Opel engineers have created a special series of ECOTES engines. The goal of the ECOTEC program is to create modern engines internal combustion, which have the following properties and characteristics:
- High power.
- Excellent torque.
- Economical (low fuel and engine oil consumption).
- Low toxicity exhaust gases.
Efficiency of Twinport technology
These engine characteristics are successfully combined when equipped with a 4-valve gas distribution. Opel ECOTES engines are equipped with Twinport technology. When used, air enters the cylinders through one intake valve at low engine loads.
The second valve is closed by the throttle valve. When air enters the cylinders, it forms turbulence in a spiral, leading to improved mixture formation, cooling of the cylinders, and complete combustion of the fuel-air mixture.
The additional damper opens when the load increases. At the same time, the Opel ECOTES engine receives effective filling of the cylinders with additional portions of air.
Thanks to the use of Twinport technologies, the 1.6-liter Opel ESOTES engine reduces diesel or gasoline consumption by 6%.
Diesel benefits when using Twinport
In diesel power units, the intake valves are located at an angle. In this case, the air flows, when twisted, form the most homogeneous fuel-air mixtures.
Fuel pump diesel engine has direct fuel injection. At the same time, it develops high pressure, equal to 1300 - 1500 atmospheres, the nozzle sprays the fuel in a super finely dispersed form. As a result, the diesel engine receives high-quality mixture formation.
The diesel engine is equipped with one camshaft to control all four valves according to the SONC gas distribution system.
Engine specifications Opel Omega A 2.0 i
The 1998 cm3 engine is located under the hood at the front in a longitudinal view. Four cylinders are placed in a row. The diameter of each cylinder is 86 mm, the number of valves is 2. Power is supplied by a distributed injection system. Developed power - 115 hp. With. Fuel consumed is AI 95 gasoline.
The fuel tank holds 75 liters, fuel consumption depends on operating conditions:
- in the city, in the presence of traffic jams, it is 11.9 - 12.1 liters per 100 km.
- out of town on open road- 6.3 l./100 km.
Any engine in the Opel family is reliable and easy to operate. There is an EGR system - using electronics, exhaust gas recirculation is controlled. In this case, the exhaust gases are fed back into the intake manifold and re-burned in the cylinders. The recirculation system helps reduce fuel consumption and the amount of harmful emissions through the exhaust pipe.
Opel engine markings
The engine markings are located on the cylinder block body in the area of spark plug number 4. The markings differ according to the type of engine - gasoline, diesel.
For example, power unit with embossed symbols C 20LET:
- C - catalyst.
- 20 - engine capacity 2.0.
- L - compression ratio.
- E - power supply system (injector).
- T - turbine.
Catalysts are characterized by the letters C, X, Z.
Compression ratio - G, L, N, S, X, Y.
Power system - E, Z, V, D.
Opel ESOTES engine maintenance
When carrying out scheduled technical measures, it is necessary to change the timing belt and tension rollers. If signs of belt wear are detected prematurely, it urgently needs to be replaced without waiting for scheduled work.
This is caused by serious damage that the motor receives when this unit breaks.
Serious attention is paid to the EGR valve for exhaust gas recirculation. If it malfunctions, engine starting sharply deteriorates and idling becomes unstable.
Opel engine repair
Despite the reliability of the OREL line of power units, the engine needs regular diagnostics, adjustment and repair of systems, components and parts.
The most common problems include the following defects:
- Damage and wear of the drive belt.
- Rheostat failure.
- Depressurization of the cooling system.
- Oil pump failure.
- Increasing clearance between pins and connecting rod, resulting in loss of compression.
- Cylinder detonation.
- Deformation of the pulley hub, connecting rod.
- Valve position.
- Pressure sensor failure.
Defects in the operation of the cylinder-piston group lead to sharp increase consumption of fuels and lubricants, loss of power and compression, problems when starting the engine.
It is the responsibility of the car owner to adhere to the schedule. In accordance with it, scheduled repairs of the Opel engine are carried out, otherwise the internal combustion engine may receive irreversible defects, after which it will be necessary to completely change it.
Restoration work must be carried out in specialized service centers. Only there you can purchase original certified spare parts for your engine.
Adam Opel AG - German manufacturer popular cars in the mid-price segment. Together with sister Vauxhall, Korean, Australian Holden, Swedish SAAB and American companies Cadillac, GMC and Buick, the German manufacturer is part of a well-known concern General Motors. Most of the cars of these manufacturers are quite seriously unified and use common components and assemblies, platforms and other developments. Opel engines and their variations are no exception and are used in one form or another on various cars of the concern.
The Opel engine range consists primarily of in-line 4-cylinder engines, and Lately turbocharged fours. Such engines, with a small volume, 1.4, 1.6 turbo, produce quite a lot of power and torque. Larger engines were also produced, with a volume of 1.7, 1.8, 2.0, and a 2.0 turbo was installed on sports versions, like the Astra OPC.
Along with a wide range of in-line fours, Opel engines were also produced in in-line and V6 variations, both turbo and naturally aspirated. There is a family of diesel engines, mostly 4-cylinder.
To understand all this diversity, now you don’t need to look for any reviews; Wikimotors has all the necessary reviews, both new Opel engines and old ones, turbocharged, naturally aspirated and others.
In addition, you will be able to find out specifications, resource, malfunctions (troit, knocking, noise, vibration, etc.), repair of Opel engines, their weight, where the engine number is located, temperature, tuning, etc. One of the most important moments in car operation, this is the choice of oil; WikiMotors has information about what oil is recommended to be poured into an Opel engine, how often the oil needs to be changed and how much to fill.
After reading the articles, you will find out which engine is best for your car, and those who want to replace their engine or buy a contract Opel engine will easily figure out what to choose and not make a mistake.
Engine Opel Astra n 1.6 liters 115 hp quite a popular power unit in our country. A reliable naturally aspirated engine was developed by German engineers taking into account all modern trends. The in-line 4-cylinder 16 valve engine of the Opel Astra h is an evolution of the Ecotec series. These gasoline units can be found not only on Opel, but also on other models of the global concern General Motors.
An engine that complies with Euro 4 environmental standards is marked Z16XER; if it is a re-flashed engine for Euro 5, then its name is A16XER. Although structurally, these are the same motor. Now let's talk about construction.
Device Opel Astra h 1.6
The basis of the engine design is a cast iron cylinder block. The cylinders are machined directly into the block. The 16-valve mechanism usually does not cause problems, since there are hydraulic compensators and there is no need to adjust the thermal clearance of the valves. The timing belt drive is based on the timing belt. But we’ll talk about the belt drive a little lower. The main feature of the engine can be considered a phase change system on both camshafts. It is this system that causes a lot of trouble. especially if you pour low-quality oil. After all, phase shifters work exclusively due to oil pressure, focusing on various sensors. If you hear a strange rattling sound (diesel sound) from under the hood, then do not rush to blame the hydraulic compensators; most likely it is the actuators of the CVCP variable valve timing system that have failed.
The operation of the CVCP phase change system is shown schematically in the following picture.
Timing device Opel Astra h 1.6
Astra engine timing diagram A16XER in the next photo.
Characteristics of Opel Astra h 1.6 (115 hp)
- Working volume – 1598 cm3
- Number of cylinders – 4
- Number of valves – 16
- Cylinder diameter – 79 mm
- Piston stroke – 81.5 mm
- Timing drive - belt
- Power hp (kW) – 115 (85) at 6000 rpm. per minute
- Torque – 155 Nm at 4000 rpm. per minute
- Maximum speed – 191 km/h
- Acceleration to the first hundred – 11.7 seconds
- Fuel type – gasoline AI-95
- Compression ratio – 10.8
- Fuel consumption in the city – 8.8 liters
- Fuel consumption on the highway – 5.5 liters
- Fuel consumption in the combined cycle – 6.8 liters
With proper and timely maintenance, this power unit can travel for quite a long time, without any problems at all. The engine is assembled at the Opel plant in Hungary in the town of Szentgotthard. The A16XER/Z16XER engine can be found in the Opel Astra, Mokka, Insignia and, of course, in the Chevrolet Cruze (although there it easily produces 124 hp).
