Fuel and exhaust systems Opel Astra G (petrol)

General information
The engines of the cars in question are equipped with single-nozzle or multi-nozzle injection systems. On single-nozzle models, the nozzle and pressure...

Air filter — removal and installation
Astra Models 1. Disconnect the filter air intake from the filter and throttle pipe by removing the clamps and unscrewing the screws (see photo). Disconnect the...

Throttle cable — removal, installation and adjustment
1. Remove the cotter pin and disconnect the cable from the throttle lever (see photo). 2. Release the cable sheath from the bracket without loosening the...

Throttle Pedal — Removal and Installation
1. Remove the lower section of the front passenger compartment trim on the driver's side by unscrewing the screws. 2. Disconnect the cable from the pedal by...

Injection systems — general information
1. Some of the vehicles under consideration are equipped with a single-nozzle fuel injection system (see photo). 5.1 The structure of the single-nozzle...

Decompression of the fuel system
Attention! When decompressing the fuel system, observe fire safety regulations. 1. The fuel system is under pressure both when the engine is running and when...

Fuel pump — removal and installation
Astra Models 1. Decompress the fuel system. Disconnect the battery from ground. 2. Fold back the rear seat, lift and fold back the carpet. 3. Pry up and remove...

Fuel level sensor — removal and installation
1. Remove the fuel pump with the cover (see above). 2. Remove the bracket and remove the sensor from the fuel pump (see photo). 3. Installation is carried out...

Fuel tank — removal and installation
1. Decompress the fuel system. Disconnect the battery from ground. 2. Drain the gasoline from the tank through a hose (or use up the rest of the gasoline)....

Throttle body — removal and installation
Single shaft (SOHC) engines 1. Decompress the fuel system. Disconnect the battery from ground. 2. The procedure for removing and partially disassembling the...

Single-injector system sensors and devices — removal and installation
Attention! Maintenance of the injection system is performed in a car service. It is allowed to change sensors and devices of the injection system...

Sensors and devices of multi-nozzle injection systems — removal and installation
Attention! Maintenance of the injection system is performed in a car service. It is allowed to change sensors and devices of the injection system...

Intake manifold — removal and installation
Single-cylinder (SOHC) engines 1. Decompress the fuel system ( Chapter 4A ) and disconnect the battery from ground. 2. Remove the drive belt. Drain the...

Exhaust manifold — removal and installation
Single shaft (SOHC) engines 1. Disconnect the connector from the oxygen sensor. 2. Disconnect the exhaust pipe from the manifold. 3. Remove the heat shield of...

Exhaust system parts — removal and installation
Front exhaust pipe 1. The front exhaust pipe is bolted to the exhaust manifold. On 1.4 and 1.6 L engines, a bracket is also provided (see photo). Intermediate...

Catalyst
Device The catalytic converter of exhaust gases has a stainless steel housing, to which the inlet and outlet cones with pipes and fastening flanges, as well as...

This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

Share information: