Fuel and exhaust systems of diesel engines Renault Clio 1

Fuel and Emission System Specifications — diesel models
Main characteristics Cylinder firing order 1-3-4-2 (No. 1 from the flywheel) Maximum engine speed 5200 ±100 rpm Idle speed 825±25 rpm Increased idle speed 950±25 rpm Slowdown frequency (with 4 mm gasket - see text)...

General description and precautions
General description The fuel system consists of a fuel tank, a fuel filter with a water separator, a high-pressure fuel pump, injectors and related components. When passing through the filter, the fuel is heated by a...

Air filter housing — removal and installation
Removal 1. Unscrew the mounting screws (one of the screws is in the center of the cover), and remove the air filter cover. 2. Remove the filter element from the filter housing. 3. Disconnect the intake manifold air hose...

Fuel level sensor — removal and installation
Removal 1. Disconnect the negative cable from the battery. 2. Remove the rear seat or rear seat cushion to access the fuel level sensor cover. 3. Using a screwdriver, carefully remove the plastic cover from the floor to...

Throttle cable — removal, installation and adjustment
Removal 1. While working in the engine compartment, press the throttle lever on the fuel pump and disconnect the cable from the lever. On models with a pressed-in end, pull the end of the cable out of the lever (see...

Gas pedal — removal and installation
Removal 1. Remove the lower trim panel from under the steering column. 2. Disconnect the cable from the top of the gas pedal by squeezing the tabs on the end. 3. Unscrew and remove the gas pedal pivot shaft mounting nut...

Fuel system — filling and bleeding
1. After disconnecting part of the fuel supply system or after the fuel in the tank has been completely used up, the fuel system must be filled and bled. 2. Most models are equipped with a manual filler bulb, installed...

Maximum engine speed — checking and adjustment
Warning: The maximum engine speed adjustment screw is sealed at the factory. Do not break the seal if the vehicle's warranty period has not yet expired. To perform this adjustment, the use of a tachometer is required -...

Thermal actuator and fast idle cable — removal, installation, inspection and adjustment
Note: A new O-ring will be required during installation. Note: The following procedure only applies to models with a Bosch fuel pump and without air conditioning. Removal 1. The thermostat is located on the left end of...

Fast Idle Control System Components — removal, installation, inspection and adjustment
Vacuum drive and cable Removal 1. The vacuum actuator is mounted on a bracket installed at the end of the fuel pump. 2. Loosen the screw or nut and remove the end cap from the cable on the fast idle lever on the fuel...

Cold Start Injection Timing Correction Device — checking, removing and installing
Examination 1. To check the system's operation, start the engine (cold) and listen to its operation. Detonation or roughness should disappear within 30 seconds to 2 minutes 45 seconds. This indicates the system is...

Fuel Shut-Off Valve — description, removal, and installation
Description 1. The fuel shut-off valve is located at the end of the high pressure fuel pump. It is designed to stop the fuel supply when the ignition is off. If the valve winding or power supply wiring is broken, the...

Fuel pump — removal and installation
Note: Be careful not to allow dirt to enter the pump or injector tubes. When installing, use new O-rings on the fuel line banjo connections. Removal 1. On engines with air conditioning, proceed as follows. 2. To gain...

Injection timing — testing and adjustment methods
1. Checking the injection timing is only necessary after the position of the fuel pump has been disturbed. 2. There is equipment for setting dynamic injection timing, but it is unlikely to be available to the car...

Injection timing — checking and adjustment
1. Disconnect the negative cable from the battery. 2. Apply the handbrake, then jack up the front right corner of the car until the wheel is off the ground. Support the vehicle with axle stands and engage 5th gear. In...

Fuel injectors — inspection, removal and installation
Warning: Handle fuel injectors with extreme caution. Never place your hands or any other body parts under the nozzle jet, as the high operating pressure may cause the fuel jet to penetrate the skin, resulting in fatal...

Collectors — removal and installation
Note: Use a new gasket when installing. Removal 1. The collectors are secured with the same nuts. 2. To facilitate access, unscrew the mounting bolts and remove the reinforcement rod, where present, between the front...

Idle speed and deceleration frequency — checking and adjustment
1. A conventional tachometer, which operates from ignition system pulses, cannot be used on diesel engines. For this purpose, there is a diagnostic coupling to which Renault diagnostic equipment is connected, but it is...

General description and precautions of the exhaust gas aftertreatment system
Fuel vapor extraction system 1. The fuel vapor extraction system is designed to minimize the emission of fuel vapor. The fuel filler cap and hoses are part of this system. The rest of the system may vary depending on...

Emission Control Components — inspection and replacement
Fuel vapor extraction system for carburetor models 1. There are no specific test procedures for carburetor fuel vapor removal system components. Periodically check the condition and reliability of the connections of the...

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Other sections on other Renault models

➽ Power unit: Fuel system Renault Fluence 1 (2009-2020, petrol)
➽ Power unit: Power and exhaust system Renault Logan 1 (2004-2012, petrol)
➽ Power unit: Supply system Renault Symbol 1 (1999-2008, petrol)
➽ Power unit: Diesel fuel system Renault Espace I and II (1984-1996)
➽ Power unit: Fuel system Renault Scenic 1 (1996-2003)
➽ Power unit: Fuel system Renault Duster 1 (2009-2017)

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Clio 1 (1990-1998)