Vehicle power and exhaust system Renault Logan 1

Description of the power supply system design
The power supply system includes elements of the following subsystems: fuel supply system, including a fuel tank, electric fuel pump, fuel filter, fuel pressure regulator, pipelines and a fuel rail with injectors; air...

Checking the pressure in the engine fuel system
Checking the fuel pressure in the engine fuel rail is only possible if you have a pressure gauge with a set of adapters for connection to the fuel line. 1. Turn on the ignition and listen: within a few seconds you...

Reducing pressure in the fuel system
Attention! The fuel in the fuel system is under high pressure, so it is prohibited to loosen the fuel line connections while the engine is running or immediately after it has been stopped. To carry out repair work on...

Removal and installation the air filter
You will need a TORX E14 socket head. 1. Disconnect the air supply hose from the air filter... 2. ...and the car body, remove the sleeve. 3. Remove the three air filter mounting bolts. 4. Remove the last mounting bolt...

Replacing the fuel pump
If the engine power drops, there is increased noise, or you can periodically hear howling sounds when the fuel pump is running, then most likely the fuel pump has failed. Pre-check the fuel pressure in the fuel supply...

Replacing the fuel tank
If you find fuel leaking from the tank, it is recommended to replace the tank. If the fuel pump screen is often clogged, remove and wash the tank. It is more convenient to remove the empty tank while working on a lift,...

Checking and replacing the fuel pressure regulator
The serviceability of the regulator is determined on a running engine by the fuel pressure in the injector rail (see "Checking the pressure in the engine fuel system" ). If the pressure is below normal, and the other...

Checking, removing and installing fuel injectors
Possible signs of injector failure: difficult engine starting; unstable engine operation; engine stop at idle; increased crankshaft speed at idle; engine does not develop full power, insufficient engine response; jerks...

Removal and installation the fuel rail
You will need: TORX T30 key, flat-blade screwdriver, side cutters. 1. Reduce the pressure in the fuel system (see "Lower pressure in the fuel system" ). 2. Remove the air filter (see "Removing and installing the air...

Removal and installation the throttle assembly
You will need a flat-blade screwdriver. 1. Disconnect the wire from the negative terminal of the battery. 2. Remove the air filter (see "Removing and installing the air filter" ). 3. Press the latch... 4. ...and...

Replacing the idle speed control valve
The idle speed controller is located at the bottom of the throttle assembly. It consists of a two-pole stepper motor and a cone valve connected to it. At the signal from the ECU, the motor moves the valve, thereby...

Adjusting the throttle cable
1. For visual inspection, remove the air filter (see "Removing and installing the air filter" ). 2. Check the position of the throttle valve: with the accelerator pedal fully depressed (an assistant should do this) it...

Replacing the throttle cable
1. Disconnect the throttle cable from the accelerator pedal. 2. Remove the air filter (see "Removing and installing the air filter" ). 3. Disconnect the cable end from the intermediate lever. 4. Squeeze the damper clips...

Replacing the fuel vapor recovery system canister
The fuel vapor recovery system canister is removed for inspection or replacement if a persistent smell of gasoline appears due to a leak in the canister or if the canister purge valve fails. In addition, a leak in the...

Design features of the exhaust system
The manufacturer installs an exhaust system on Renault Logan cars, which is made as a single element, and supplies its individual parts as spare parts. Between the catalytic converter and the additional muffler......

Replacing the exhaust system suspension cushions
Rubber suspension mounts for the exhaust system are replaced if, due to damage or excessive deformation, the system elements begin to knock when in contact with the body or other vehicle components. All pillows are...

Replacing exhaust elements
To replace the exhaust pipe and catalytic converter, you will need: a 10 mm socket head, an extension, a caliper, and an angle grinder with a metal cutting wheel. 1. Measure the distance between the marks (it should be...

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Other sections on other Renault models

➽ Power unit: Supply system Renault Symbol 1 (1999-2008, petrol)
➽ Power unit: Fuel system Renault Fluence 1 (2009-2020, petrol)
➽ Power unit: Fuel system (diesel) Renault Clio 1 (1990-1998)
➽ Power unit: Fuel system Renault Scenic 1 (1996-2003)
➽ Power unit: Supply system Renault 19 (1988-1996)
➽ Power unit: Fuel system Renault Duster 1 (2009-2017)

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