Replacing the rear shock absorbers of a Nissan Almera G15 with your own hands: Complete guide

Regular suspension maintenance is the foundation for safety and comfort when driving. For owners Nissan Almera generation G15, the condition of the rear shock absorbers often becomes a stumbling block, as they operate under constant load conditions and poor road surfaces. If you notice extraneous knocking noises, deterioration in handling or oil leaks, then replacing the rear shock absorbers is inevitable.

Many car owners are afraid to take on this work themselves, believing that dismantling requires a specialized stand or lift. In fact, with a basic set of tools and a little patience, you can perform this procedure in a regular garage or on level ground. The main thing is to understand the specifics of fastening Nissan Almera G15 and follow the sequence of actions to avoid damaging the threaded connections.

Diagnosis of faults and selection of spare parts

Before you go to the store for new parts, you need to make sure that the cause of the problems lies precisely in the shock absorbers. Drivers often confuse a knock in the suspension with wear on the stabilizer bushings or silent blocks of the levers, although it is precisely Nissan Almera G15 has a characteristic “empty” sound when the shock absorber strut breaks. Do a simple test: press hard on a corner of the trunk and release quickly. If the body continues to swing more than twice, the shock absorber has completely lost its properties.

The selection of spare parts is a critical stage on which the service life of the repair depends. There are many brands on the market that offer analogues, but for a budget sedan, original products or trusted manufacturers such as KYB or Sachs are often best suited. You should not save on cheap Chinese analogues, as they may not withstand even three months of use, which will lead to repeated repairs and the risk of injury while driving.

Please note that for Nissan Almera G15 there are different types of shock absorbers: gas-filled and oil. Gas-filled ones provide a firmer and sportier ride, but are less forgiving of mistakes on poor road surfaces. Oil-based ones, on the contrary, are softer and absorb small bumps better, which is often preferable for a family car. Type selection depends solely on your preferences for comfort and driving style.

Necessary tools and preparatory work

To do the job well, you will need a standard set of wrenches, but there are nuances that can take you by surprise. The main tools will be 17, 19 and 21 mm socket wrenches, as well as a powerful 32 or 36 mm socket for removing the shock absorber rod nut. Also, be sure to prepare a wheel wrench, a jack and reliable stops (goats), since working under the machine without insurance is strictly prohibited.

Pay special attention to penetrating lubricant such as WD-40 or similar. Threaded connections on used cars often stick, and without pre-treatment you risk stripping the thread or breaking the bolt. Treat all fasteners 15-20 minutes before dismantling so that the product has time to penetrate microcracks. This will greatly simplify the unscrewing process and save you from unnecessary nerve cells.

Don't forget to check the status support bearings and bushings. When replacing shock absorbers, it is strongly recommended to immediately replace the rubber elements, as they quickly wear out and lose their elasticity. If you install new shock absorbers on old worn bushings, the new parts may fail prematurely due to incorrect suspension geometry.

It is also important to prepare the work area: clear the arches of dirt and snow so that access to the fasteners is free. If you are working outdoors, make sure the vehicle is on a solid surface and not on loose ground that could collapse under the weight of the machine when lifted.

Step-by-step instructions for removing rear shock absorbers

Start by securing the car. Put the handbrake on, put it in gear (or park for an automatic) and chock the front wheels. Jack up the rear of the car on the side where you plan to replace the shock absorber first. It is important to lift by the body or a special subframe platform, and not by the levers, so as not to deform them.

Remove the wheel and unscrew the lower shock absorber mounting bolt. It usually goes through the arm bracket and has a 19mm nut. If the bolt turns with the nut, use a second wrench or hex wrench to secure the bolt head. After unscrewing the nut, remove the bolt and carefully lower the lower part of the shock absorber down.

Now move to the top of the mount, which is located under the trunk trim. Remove the plastic trim and unscrew the two nuts securing the upper support to the body. Be careful not to drop the nuts inside the body. After removing the upper fastenings, the shock absorber can be completely removed from the arch. Sometimes it sticks to the body, and you will have to wiggle it a little or carefully pry it off with a pry bar.

If the shock absorber cannot be removed, the rod may be rotating internally. In this case, you will need a special tool - a wrench to hold the rod. Do not attempt to clamp the rod in a vice or secure it with pliers, as this may damage the chrome surface, causing rapid wear of the new shock absorber seal.

What to do if the bolt is stuck??

If the lower fastening bolt does not unscrew, try heating it with a hair dryer or blowtorch (be careful with rubber!), then moisten it generously with penetrating lubricant again. As a last resort, you can use a grinder to cut off the nut, but this is a last resort and requires subsequent restoration of the thread.

Installation of new shock absorbers and tightening features

Installation of new shock absorbers begins with their assembly. Before installation on the vehicle, make sure that the shock absorber rod is extended to the required length, if required by the instructions. Many modern shock absorbers are supplied in a compressed state and cannot be used in this form without prior preparation. Install the new bushings and supports, lubricating them with a small amount of silicone grease to facilitate installation.

Place the upper part of the shock absorber into the body opening and tighten the nuts securing the upper support. There is no need to tighten them yet, since the shock absorber should “walk” freely when the suspension is lowered. Insert the lower mounting bolt into the lever bracket and tighten the nut. Make sure that all rubber elements are level and not twisted, otherwise they will quickly collapse from friction.

Lower the vehicle to the ground until the suspension is in its operating position. Only now can the final tightening of all connections be carried out. This is a critical point: you cannot tighten the nuts when the suspension is compressed or extended, as this will create pretension, which will lead to rapid wear of the rubber bushings. Tightening is done under load.

Tightening torques for Nissan Almera G15 are usually: upper rod nut - about 40-50 Nm, lower fastening bolt - 100-120 Nm. Use a torque wrench for accuracy. If you do not have such a tool, tighten the nuts until they stop, but do not overdo it so as not to strip the threads.

Frequent errors and technical nuances

One of the most common mistakes is replacing shock absorbers on only one side. The suspension must work symmetrically, so be sure to change parts in pairs. If you keep the old shock absorber, the difference in their characteristics will lead to uneven weight distribution and poor vehicle handling, especially in corners.

Also, many owners forget to check the condition of the suspension springs. When shock absorbers are worn out, the springs are often subjected to extreme stress and may become cracked or lose their elasticity. Inspect the spring for any paint chips or cracks. If the spring is sagged or damaged, it must also be replaced along with the shock absorber.

Another nuance concerns the upper supports. On some models Nissan Almera the upper support tends to deform over time. If during inspection you notice traces of rust or metal deformation, replace the entire support. It is cheaper to replace the mount right away than to have to crawl under the car again later to replace a broken mount.

Detail	Recommended tightening torque (Nm)	Features
Shock absorber rod nut	45-55	Tighten after lowering the car
Bottom mounting bolt	100-120	19mm wrench, tighten under load
Upper support nuts	25-30	Two nuts, often rust
Wheel bearing nut	180-200	Check when replacing pads

⚠️ Attention! Never use an air gun or impact wrench to tighten suspension fasteners. An impact tool can create excessive torque that will warp threads or break aluminum brackets. Always use a hand wrench or torque gauge.

⚠️ Attention! Use extreme caution when working with springs and shock absorbers. A compressed spring stores enormous energy. If the spring falls out of its seat or breaks during removal, serious injury may result. Make sure the spring is securely seated before starting work.

Checking work and final stages

After installing all parts and tightening fasteners, it is necessary to carry out a control check. Spin the wheel by hand to make sure that the brake mechanism is not jammed and there is no unnecessary noise. Try rocking the car by the wing - the suspension should work smoothly, without knocks or squeaks. If you hear unusual sounds, check that all bushings and rubber elements are installed correctly.

Be sure to perform an alignment after replacing the shock absorbers. Although the rear suspension Nissan Almera The G15 is a continuous beam and does not require complex angle adjustment; installing new shock absorbers may slightly change the geometry of the wheel position. In addition, this will help avoid rapid tire wear and ensure vehicle stability on the track.

For the first 500-1000 kilometers after replacing shock absorbers, try to avoid sudden maneuvers and driving through deep holes at high speed. Rubber elements and lubricant must “get used to” the new operating conditions. During this period, carefully monitor the condition of the suspension and if you detect any extraneous sounds, immediately contact a specialist.

⚠️ Attention! Don't ignore the hollow sound of a shock absorber blowout. If you feel a wheel leave the road and hit the body, stop immediately. Damage to the body or a broken spring can lead to complete loss of control over the vehicle.

FAQ: Frequently asked questions

How long does it take to replace rear shock absorbers?

With basic experience and the necessary tools, replacing one shock absorber takes about 40-60 minutes. If you are doing this for the first time, allow 1.5-2 hours to work on both sides, as difficulties may arise with stuck bolts.

Is it possible to replace shock absorbers without removing the wheel?

Theoretically, it is possible if you have access to the bottom bolt, but this is extremely inconvenient and unsafe. Removing the wheel provides full access to the fasteners and allows proper control of the tightening process. It also reduces the risk of wheel or tire damage.

Do the springs and shock absorbers need to be replaced?

Not necessary if the springs have no signs of corrosion, cracks or sagging. However, if the shock absorbers failed due to high mileage, the springs could also lose their properties. It is recommended to check their condition visually and, if necessary, replace them as a set.

What tools are required for the job?

You will need: a jack, stops, a wheel wrench, a set of sockets (17, 19, 21, 32/36 mm), penetrating lubricant and, preferably, a torque wrench. A special wrench or hex wrench may be required to hold the stem.

What to do if the shock absorber rod rotates?

Use a special wrench to hold the rod. If it is not there, you can try to fix the rod with a hexagon, if there is a corresponding groove inside. Do not try to clamp the rod with pliers - this will damage the chrome and cause oil leakage.