Alternator belt tensioner for megane 2. Removing and installing the accessory drive belt Renault Megane II

27.09.2019

To replace the alternator belt with a Renault Megan 3, you only need to perform a few fairly simple steps. But it is necessary to approach such work with all the attention, because the course of the entire car depends on the correct operation of the part. It is about how to make such a replacement on Renault Megane 2 and 3 cars that you will learn in our article.

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Description of the generator

What is the functional purpose of this part of the generator device? The belt must transmit power from the engine to the generator itself. This refers it to the moving parts of the car, which means it needs to be replaced more often than others.

You need to consider that Renault must be carried on original parts from the manufacturer. They can be found quite easily under the following articles 8200833554, 7700850113, 8200833549. It is the installation of these elements that guarantees the further operation of the device. Similarly, you need to approach this issue, as well as other details.

Main malfunctions and ways to eliminate them

The first signs indicating that there are problems with the belt are:

whistling;
creak;
other extraneous sounds coming from the device.

When such alarming symptoms appear, you need to make a visual inspection and look for damage. These can be both scuffs and cracks, as well as other integrity violations.

In the event that your belt breaks while on the road, you will have approximately 40 more minutes with a full battery charge before the car is up. Turning off additional systems, such as lighting, music, air conditioning, will help to slightly extend this time. In principle, this time for 2 and 3 is enough to get to the car service. Also, you can change everything yourself, both right on the road in the field, and in your own garage.

Below in the video you will find a brief replacement instruction (the author of the video is Useful China).

Belt Replacement Guide

To replace this part, you will need tools: a socket head for 16, an open-end wrench for 13, a TORX key for 40. A flat screwdriver (wide) is also useful.

With the vehicle on a level surface, block the rear wheels with wheel chocks and apply the handbrake.
Using a jack and wrench, remove the front right wheel from the hub.
Using a flathead screwdriver, remove the 5 clips and 2 screws holding the plastic fender liner.
Next, you need to remove the metal protective frame that covers the generator, which is fixed with 4 ordinary bolts (use the key on "13").
Use a socket on "16" and a wrench, turn the idler roller bolt clockwise 20-30 degrees.
Remove the belt.
Pull the new part onto the alternator pulley and others, and fix it with a tension roller.
Reassemble in reverse order.

It should also be mentioned that the air conditioner pulley has more grooves than similar parts of the generator and crankshaft. The last one on the compressor side must remain free. Otherwise, at the beginning of work, the belt will simply fly off and be damaged.

Photo gallery "Main details and their place"

Issue price

A new second belt for the device in Renault Megan 2 can be bought for about 1000 rubles. This relatively low cost allows replacement if any problems occur. Buying two things at once will allow you to have a spare in case of an emergency.

The alternator belt on all cars, and on Renault Megane 2 in particular, is designed to transfer the power stroke from the engine to the generator. This element refers to those spare parts that periodically require replacement. The first signs that will indicate that it needs replacement will be extraneous whistling, creaking and other extraneous sounds from the generator.

In order to know how to independently replace the alternator belt for Renault Megan 2 with 1.4-1.6 16V engines, read below in our article.

Visual inspection of the belt

In order to determine the condition of your alternator belt, it is enough just to visually inspect it and analyze the condition for scuffs, cracks and various damages.

Torn alternator belt, if this happens, then you have 40 minutes of travel until the battery runs out. Turn off as many sources of electricity consumption as possible (air conditioning, lights, music) and continue on your way to the service.

If the belt is broken on the way, then getting to the house or the nearest car service is really only on a battery charge, however, in case of malfunctions far from settlements, the replacement will have to be carried out in the field, knowing exactly the order of work.

Alternator belt code for Renault Megane 2

New alternator belt (dimensions and appearance)

Replacing the alternator belt Renault Megane 2 should be carried out only with original spare parts from the manufacturer according to the following articles - 8200833554, 7700850113, 8200833549 . The price of each of the presented fluctuates around 1000 rubles.

Alternator Belt Tensioner Code

Alternator belt pulley (usually also to be replaced)

In addition, the manufacturer, when the alternator belt breaks, advises replacing the belt together with the tension roller, because, as often, the very roller becomes the cause of belt wear. The article of the tension roller with the generator belt in the kit - 117200713R And 7701477515 , the price of such a kit is about 7000 rubles.

Based on the numerous reviews of most Meganovods, the most common cause of premature failure of the alternator belt is precisely the surface defects on the tension roller. Since it is this fact that gradually renders the inner part of the belt unusable.

Do-it-yourself alternator belt replacement (algorithm + photo)

Before you get started, you will need the following tools:

Step by step workflow

The next step is to assemble the entire structure.

Note!

The pulley on the alternator and crankshaft has five grooves, while the air conditioner has six. Therefore, make sure that the extreme groove on the side of the air conditioning compressor remains free. Otherwise, when starting the engine, the belt will fly off the seat and be deformed.

The subsequent assembly of the protection, fender liner and installation is carried out in the reverse order of removal.

The alternator belt is used in automobiles to transmit power to the alternator from the engine. This part is subjected to heavy loads, so it can be classified as a spare part that needs periodic replacement. Signs of its malfunction are the appearance of extraneous sounds, such as whistling, creaking, and in especially neglected cases, its delamination begins or it may become covered with cracks.

To understand if the belt needs to be replaced, it is necessary to make a visual inspection of it. This will help assess his condition. It should not have cracks and scuffs along its entire length.

Visual inspection of the belt

In order to determine the condition of your alternator belt, it is enough just to visually inspect it and analyze the condition for scuffs, cracks and various damages.

If the problem was not fixed in time, then it can break right along the way. In this case, it is worth remembering that the car will be able to drive in this mode for no more than 40 minutes. With a defective battery, this time can be much shorter. It is not recommended to turn off the car, you should turn off all electrical appliances that consume a lot of energy, such as air conditioning, radio and continue on your way to the nearest service station.

If there is no service station nearby, then you can change the Renault Megan 2 alternator belt yourself, you just need to follow a certain procedure.

Vendor code.

To replace a defective part, you need to know exactly its article number. The alternator belt code for Renault Megan 2 is 8200833554, 7700850113, 8200833549. Depending on the model chosen, the price may vary slightly.

Together with it, it is recommended to immediately change the tension roller. This is necessary because often the cause of wear is a defective roller. The article of a set of a roller and a belt for Renault Megane is 117200713R and 7701477515. The cost of such a set is much higher and amounts to about 7,000 rubles.

Device replacement.

To make a replacement, you need the following set of tools:

Operating procedure

Assembly

Putting the belt on the alternator pulley, you must make sure that all the grooves on it coincided during installation. The Renault Megane generator, Scenic has a pulley with 5 grooves, and there are 6 of them on the belt. The one on the compressor side must be free, otherwise the belt will come off the seat when the engine is started.

Hello. We will replace the alternator belt and roller for Renault Megane 2 with 1.4 / 1.6 16V (K4J / K4M) engines and air conditioning.

As such alternator belt replacement interval no, you need to look at the status every 30 thousand km. The belt must be free of cracks and not worn. Stretch polik serves differently. It is not difficult to diagnose it, if there is a whistle from the roller, it is under replacement.

Tools:

wheel bolt wrench
jack
Torx T20, T40
head for seven, thirteen, sixteen
knob
fork for removing clips
cardan

Spare part numbers:

7701476476 - original alternator belt kit
8200048486 - original alternator belt tensioner
5PK1200- marking the alternator belt, I recommend installing Contitech
7703077435 - original fender clip

The above article numbers are suitable for Megan 2 with K4J / K4M engines and air conditioning.

Step-by-step instructions for replacing the alternator belt and roller

1. Remove the right wheel.

2. Remove the right fender liner.

To do this, unscrew the two screws that secure the bumper to the fender liner under the Torx T20 or a head for seven.

With a fork, remove five clips in the marked places below.

4. To gain access to the alternator belt and roller, unscrew the front subframe amplifier. Thirteen head bolts.

5. Retract the alternator belt tensioner clockwise. The roller is spring type and tensions the belt constantly.

Bolt for retracting the roller under the head for sixteen. Usually the head itself is difficult to crawl there, you need to use a cardan.

The location of the bolt for retracting the roller is marked.

6. After the roller has been retracted, remove the alternator belt with the other hand.

7. We evaluate the condition and, if necessary, change the belt tensioner or the mechanism assembly.

If you want to change the roller itself, then pick up the plastic plug on the roller on top and behind it the mounting bolt for Torx T40. We unscrew the bolt, remove the roller and install a new one.

If there is a need to change the generator belt tensioner assembly, then unscrew the fastener bolt by sixteen and change it.

8. Install a new belt. We start it from under the hood first on the generator pulley. Next, from the wheel arch we start the belt on the air conditioning compressor and the tension roller. We remove the tension roller and put the belt on the crankshaft pulley.

9. We make a reverse assembly.

Before disassembly, it is better to buy a few clips for the fender liner, they often break during dismantling.

Video lesson

Do not turn the engine crankshaft in the direction opposite to the direction of rotation.

We carry out work on a lift or a viewing ditch.

Disconnecting the battery

Remove the top plastic cover

Removing the right front wheel

We unscrew the screws securing the fender liner and take out the clips.

Removing the fender liner

Loosen the four mounting screws

With a 16 key, turn the tension roller clockwise, thereby loosening the belt

Remove the belt from the crankshaft pulley

Remove the belt from the A/C compressor pulley and the alternator pulley.

To replace the tension roller, pry off the plug with a screwdriver

... and unscrew the screw securing the roller

Installation

Clean the crankshaft pulley streams with a brush from deposits.

Rice. 1. Cranking the automatic accessory drive belt tensioner

Install the tension roller.

Tighten to the required torque (40 Nm) the tension roller mounting bolt.

Rice. 2. Free stream

The accessory drive belt has five grooves and the A/C compressor pulley has six grooves. When installing the belt, make sure that the groove shown by the arrow in figure 2 remains free.

Install in the reverse order of removal.