How to unscrew the wheel hub nut of VAZ 2108, 2109, 21099?

How to unscrew the wheel hub nut of VAZ 2108, 2109, 21099?

In order to quickly and easily unscrew the wheel hub bearing nut (front or rear) on a VAZ 2108, 2109, 21099, you need to know some of the features of this work.

Otherwise, unscrewing this nut yourself can present unpleasant surprises, at least in the form of a broken or bent key, and at most in the form of physical and mental injuries.

Required Tools

Special wrench for “30” or a socket with a knob

Preparatory work

Place the car on a level surface and secure it with wheel chocks, engage first gear and use the handbrake

There is no need to jack the wheel so that it does not turn when the nut is unscrewed.

Remove the protective cap from the wheel (if any)

Preparing access to the hub nut

To access the hub nut, you need to remove its protective cap and remove any grease from it (if any). If there is no protective cap and lubricant, and the shank and nut are rusty or covered with a layer of dirt, this connection must be thoroughly cleaned and filled with penetrating liquid. Then wait a while for the penetrating liquid to do its job.

How to unscrew the front wheel hub nut of VAZ 2108, 2109, 21099?

— Straightening the jammed collar of the nut

The hub nut is locked on the shank of the outer CV joint of the front suspension or the rear wheel hub axle by bending its shoulder into the longitudinal groove on these parts. Using a thin chisel and a hammer, straighten the jammed shoulder of the hub nut. To do this, we hit it with a hammer through a chisel in several places.

— Unscrew the front wheel hub nut

To unscrew a “soured” nut, it is advisable to use a special wrench, which is a reinforced curved socket wrench. The tightening torque for the front wheel hub nut is 226-247 N.m, for the rear wheel it is 186-226 N.m, which is a lot (plus the resistance of rust and dirt must be overcome), because of this you can bend or break a non-reinforced key when unscrewing it. To increase the force, you should put a piece of pipe on the wrench, thereby increasing the leverage.

If the nut and its threads are in good condition, a socket and wrench can be used.

If you manage to loosen the nut, there is no need to unscrew it completely. This can be done during the process of disassembling the suspension with the wheel already jacked up and removed. For example, when replacing the front wheel bearing of a car.

If the nut cannot be unscrewed, you will have to resort to more severe unscrewing methods. For example, heating or cutting with a chisel.

When installing the wheel hub bearing nut back, you need to tighten it to the required torque (to avoid damage to the wheel bearing), bend its collar into the groove of the CV joint shank, apply lubricant and install the protective cap.

Notes and additions

You can easily and without much difficulty unscrew the hub nut using a pneumatic impact wrench. The only problem is that not many people have it.

All hub nuts for the front and rear wheels of VAZ 2108, 2109, 21099 and their modifications have a right-hand thread.

Source

Article: 140442-718, additional articles: 14044271

Order code: 040193

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Wheel nut VAZ 2109 what thread?

For model 2109, the wheel is attached to the hub using wheel bolts. The number of fasteners depends on the year of manufacture of the model and is presented in the table below.

Important: the data presented above are the limits of values ​​for all modifications of the car; specific figures depend on the year of manufacture.

When selecting any fastener, special attention should be paid to the thread pitch. This parameter is always indicated in the marking after the “x” sign.

Most wheel fasteners have metric fine pitch threads (M12x1.25/M12x1.5/M14x1.25/M14x1.5), which should match the threads of the studs or tapped holes in the wheel hub.

Important: the marking of the M12x1.5 mounting bolt is deciphered as follows: thread with a nominal diameter of 12 (mm), thread pitch 1.5 (mm).

Other designations of the VAZ 2109 hatchback on the Russian market: VAZ 2108, VAZ 2113, VAZ 2114, Lada Samara.

Important: years of production of all modifications of the model: 1987-2014.

Caution: The above data are the official figures of the manufacturer, however, please note that the information is for reference only and is not guaranteed to be completely accurate.

Source

Standard disk sizes

The main technical characteristics of the rims of any car, including the VAZ-2109, are expressed by the following parameters:

• Diameter. This refers to the size of the rim in inches, excluding the tire.
• Rim width is the size of the tire seat in inches.
• The size of the central hole for the hub.
• Bolt pattern is a parameter indicating the number of holes and the diameter of the circle connecting their central points.
• Overhang is the distance between the hub mounting surface and an imaginary plane passing vertically through the middle circumference of the disk.

1. The central hole is 58.5 mm.
2. Bolt pattern - 4x98.

The wheels are manufactured in three versions: R13, R14 and R15. Other factory parameters, taking into account the corresponding tires, are shown in the table.

Continuation of the broken hub nut.

Hello everyone!) They asked me to tell you how I solved the problem. I'm telling you. Sorry for the low quality photo. Phone without autofocus.

I got to Gorda from the dacha (20 km) without incident, I drove 40-50 km/hour. I checked several times to see if it was in the right place; to do this, I put a stamp on the spare wheel so that it could be seen right away.

In the morning I set about solving the problem I created.