Fuel and exhaust system — specifications Part A: Carburetor Engines a common part System Type - Rear fuel tank, mechanical fuel pump and temperature controlled air cleaner Fuel tank capacity - 61 l...
General description On 1.3 and 1.6 engine models, the fuel system consists of a rear-mounted fuel tank, mechanical fuel pump, two-barrel downdraft carburetor and...
Fuel and Exhaust System — Routine Maintenance The operations below are performed at the frequency specified in section " Routine Maintenance " at the beginning of this Guide. 1. Check all fuel pipes and...
Air purifier — description and verification 1. On all models, the air cleaner provides clean air, preventing dust and dirt from entering the engine. 2. On carburetor models, the air cleaner is controlled...
Air cleaner — maintenance, removal and installation Maintenance Carburetor models Pic. 3.1. Tabs securing the air cleaner cover (shown by arrows) — engine 1.3 1. To remove the air filter, remove the air cleaner...
Fuel tank sensor — removal and installation Attention: work must be carried out in compliance with fire safety measures. 1. Disconnect the negative battery cable. Siphon the fuel from the tank into a...
Fuel tank — removal and installation Attention: work must be carried out in compliance with fire safety measures. 1. Disconnect the negative battery cable. Siphon the fuel from the tank into a...
GM Varajet carburetor — description 1. The GM Varajet II carburetor is a two-barrel downdraft carburetor (see photos). Photo 9.1A. GM Varajet carburetor - view from the float chamber side. Photo...
GM Varajet carburetor — idle speed and mixture control 1. The quantity and quality screws are factory adjusted and closed with special plugs (see photos). Photo 10.1A. GM Varajet carburetor - quantity screw visible...
GM Varajet carburetor — engine regulation Carburetor with automatic choke Fast idle 1. Check that the idle speed meets the requirements ( see previous section ). 2. Remove the air cleaner and plug the...
GM Varajet carburetor — removal and installation 1. Remove the air cleaner ( see section 4 ). Disconnect the negative battery cable. 2. Disconnect the fuel hose from the carburetor and plug its open end. 3....
GM Varajet Carburetor — Bulkhead Carburetor with automatic choke 1. The carburetor very rarely requires a complete overhaul, but if such a need does arise, it seems more economical to simply...
Pierburg 2EZ carburetor — description 1. The Pierburg 2EZ carburetor is a two-chamber carburetor with downdraft and automatic suction. It is available on models with a 1.6 engine and on those...
Pierburg 2EZ carburetor — regulation on the engine The checks and adjustment procedures described below are not required under normal conditions and should only be performed if the adjustments described in...
Pierburg 2EZ carburetor — removal and installation 1. Remove the air cleaner ( see section 4 ). 2. Disconnect the negative battery cable. 3. Disconnect the cooling system hoses from the automatic suction valve...
Pierburg 2EZ carburetor — bulkhead 1. With the carburetor removed from the engine, drain the fuel from the float chamber and steam separator. Clean the outer surfaces of the carburetor. 2....
Injection system — description 1. Models with a 1.8 engine have an LE Jetronic injection system. 2. Using an electronic control unit, the injection system supplies exactly the amount of fuel...
Injection system — precautions 1. As a rule, the injection system rarely fails. To avoid damaging the main electrical equipment of the system, observe the following precautions: A. Do not...
Throttle valve of the injector system — regulation 1. Check that the throttle valve is closed (see fig.3.53 or 3.54). Pic. 3.53. Throttle valve actuator (LE Jetronic system) on models with manual transmission....
Injection system throttle switch — regulation 1. Loosen the switch mounting screws (see photo) and turn it counterclockwise until resistance begins to be felt. Tighten the screws. Photo 24.1. Loosen the...
Injection system parts — removal and installation 1. The main components of the injection system cannot be repaired. If the system begins to malfunction, it is best to leave the troubleshooting to a...
Unleaded high octane fuel 1. All overhead camshaft engines used in the Opel Ascona models in question have valve seats made of a material that allows the use of high octane unleaded...
Choke cable — removal and installation 1. Disconnect the negative battery cable. 2. Drive out the small pin that secures the choke control handle to the end of the cable. Unscrew and remove the...
Collectors — removal and installation 1. The intake and exhaust manifolds are located on opposite sides of the cylinder head. Intake manifold (1.3 and 1.6) 2. Before removing the intake manifold,...
Exhaust system — removal and installation 1. The exhaust system consists of 2 downpipes, a front muffler and a rear expansion chamber with an exhaust pipe. 2. The exhaust system installed on the Opel...
Fuel system — fault diagnosis Excessive fuel consumption and poor engine performance are not necessarily the result of a faulty fuel system. Exactly the same symptoms may indicate a faulty...
Fuel and exhaust system (late models) Fuel Injection Systems - Later Models Bosch L3 Jetronic system - description 1. The Bosch L3 Jetronic fuel injection system has been installed on models with...