Diesel engine G9U of car Opel Vivaro A

Engine specifications
Working volume - 2464 cm³. Cylinder diameter - 89 mm. Piston stroke - 99 mm. Compression ratio - 18.3:1.

Oil pressure
Unscrew the oil pressure sensor and screw in the control pressure gauge. Oil pressure: at idle speed - 1.6 bar; at 3000 rpm - 4.0 bar.

Removal and installation of the gearbox engine
Removal 1. Place the vehicle on a two-post lift. 2. Disconnect the battery, starting with the negative cable. 3. Remove the battery, front wheels, engine guard...

Removing and installing the pallet
Removal 1. Place the vehicle on a two-post lift. 2. Remove the engine guard and the hydraulic power steering tube mount. 3. Drain the oil from the engine. 4....

Removing and installing the oil pump
Removal 1. Place the vehicle on a two-post lift. 2. Drain the engine oil. 3. Remove the pan, unscrew the oil pump mounting bolts and remove it. Installation 4....

Removing and installing the accessory drive belt
Removal 1. Place the vehicle on a two-post lift. 2. Disconnect the battery, starting with the negative cable. 3. Remove the engine guard and right side cover....

Removing and installing the timing belt
Removal 1. Place the vehicle on a two-post lift. 2. Disconnect the battery, starting with the negative cable. 3. Remove the engine guard, disconnect the wiring...

Removing and installing the air filter
Air intake system The arrangement of the air intake system elements is shown in Fig. 4.36. Fig. 4.36. Location of air intake system elements: 1 - Charge air...

Removing and installing the air distributor
This unit is located between the charge air cooler and the intake manifold. It has an integrated electromagnetic exhaust gas recirculation valve. Removal 1....

Removing and installing the intake manifold
9.1. Upper part of the intake manifold Removal 1. Disconnect the battery, starting with the negative cable. 2. Remove the injectors, high pressure accumulator,...

Removing and installing the exhaust manifold
Removal 1. To remove the exhaust manifold, you must remove the turbocharger. 2. Unscrew the three bolts 1 securing the heat shield (Fig. 4.54). Unscrew the...

Pressure regulation
Checking the calibration pressure 1. The calibration pressure test cannot be performed on a turbocharger installed on the engine. It must be removed to perform...

Removing and installing a turbocharger
Removal 1. Place the vehicle on a two-post lift. 2. Remove the pre-catalyst, high pressure accumulator, high pressure accumulator protection. 3. Disconnect the...

Fuel injection system
The arrangement of the fuel injection system elements is shown in Fig. 4.62-4.73. Fig. 4.62. Location of fuel injection system components: 1 - Fuel filter with...

Technical characteristics of fuel injection system components
Technical characteristics of the fuel injection system elements are given in Table 4.1. Table 4.1. Technical characteristics of the fuel injection system...

Removing and installing the high pressure fuel pump
Removal 1. Place the vehicle on a two-post lift. 2. Disconnect the battery, starting with the negative cable. 3. Disconnect the wiring connector from the air...

Removing and installing injectors
Removal 1. Place the vehicle on a two-post lift. 2. Disconnect the battery, starting with the negative cable. 3. Disconnect the wiring connector from the air...

Removing and installing the pressure regulator
Removal 1. Disconnect the battery, starting with the negative cable. 2. Remove the air filter, engine cover, and charge air cooling radiator. 3. Remove the...

Removing and installing the high pressure accumulator protective cover
The second model of the high-pressure accumulator protective cover has the same functions as the first model. The protective cover optimizes the protection of...

Removing and installing the accelerator pedal position sensor
The sensor is rigidly connected to the accelerator pedal. To replace it, you need to replace the accelerator pedal. Removal 1. Disconnect the battery and...

Removal and installation of the injection system control unit
The injection system control unit is located under the protective cover below the expansion tank. Removal 1. Disconnect the battery. 2. Unscrew bolt 1 of the...

Centralized coolant temperature control
Coolant temperature sensor 1: One three-pin sensor is used to transmit the signal to the injection control unit and the coolant temperature gauge on the...

Exhaust gas recirculation system
The exhaust gas recirculation diagram is shown in Fig. 4.106. Fig. 4.106. Exhaust gas recirculation diagram: 1 - Cylinder head; 2 - Exhaust manifold; 3 -...

Removing and installing the generator
Battery charging system The G9U 730 engine is equipped with a Valeo SG 12 B072 generator (125 A). Removing and installing the generator Removal 1. Place the...

Removing and installing the starter
Engine starting system The G9U 730 engine is equipped with a Valeo D7R34 starter. Removing and installing the starter Removal 1. Disconnect the battery,...

Cooling system
The cooling system diagram is shown in Fig. 4.110. Fig. 4.110. Cooling system diagram: 1 - Engine; 2 - Radiator; 3 - Expansion tank; 4 - Heater radiator; 5 -...