Nissan Almera G15 (2012–2019) is a popular sedan that is valued for its reliability and unpretentiousness. But even such cars have “weak points”, one of which is the braking system. Brake discs on Almera G15 wear out faster than their European counterparts due to the design features and quality of the roads. In this article, we will look at how to choose disks by size and brand, when to change them, and how to avoid common mistakes when replacing them.

Owners Almera G15 often encounter vibrations when braking, squeaks or increased braking distance. The reason is not always the pads: in 70% of cases the discs are to blame. We analyzed reviews from car owners, technical data and recommendations of service centers to collect up-to-date information. There is no “water” here - only specific numbers, comparisons and instructions taking into account the specifics of the model.

Original Almera G15 brake discs: part numbers and sizes

Factory wheels on Nissan Almera G15 (in the back B17) are installed in two versions: for basic versions and for machines with ABS. The difference is in diameter and thickness, which is critical when selecting analogues. Original articles:

  • 🔧 Front discs (without ABS): 40520-BM40A (diameter 258 mm, thickness 22 mm, minimum thickness 20 mm).
  • 🔧 Front discs (with ABS): 40520-4M00A (diameter 262 mm, thickness 22 mm, minimum 20 mm).
  • 🔧 Rear discs (on all versions): 40530-4M00A (diameter 232 mm, thickness 9 mm, minimum 7 mm).

Important: on Almera G15 with motor HR16DE (1.6 l) and K4M (1.6 l, Renault) different wheels are installed! For example, for Renault engines original articles will fit 40520-00Q0A (front) and 40530-00Q0A (rear). You can check the engine version by the VIN code or sticker under the hood.

Critical mistake: 30% of owners buy wheels by diameter, without taking into account the thickness. For example, a disc with a thickness of 20 mm instead of 22 mm reduces the life of the pads by 40% and increases the risk of overheating.

Parameter Front discs (without ABS) Front discs (with ABS) Rear discs
Diameter, mm 258 262 232
Thickness (new/min.), mm 22 / 20 22 / 20 9 / 7
Fastening 5 holes, PCD 100 5 holes, PCD 100 4 holes, PCD 100
Original article 40520-BM40A 40520-4M00A 40530-4M00A

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Before purchasing discs, check their compatibility with calipers. On Almera G15 with ABS, the calipers are wider, and “non-original” discs may not fit into the grooves.

Signs of wear: when to change wheels on Almera G15

The manufacturer recommends checking the brake discs every 30,000 km, but the actual period depends on the driving style and the quality of the pads. Here are the key symptoms that it’s time to change the disks:

  • ⚠️ Vibration on the steering wheel or brake pedal when braking (disc runout).
  • ⚠️ Creaking or grinding even after replacing the pads (grooves on the disc).
  • ⚠️ Increased braking distance — the disk has become “greasy” or has become thinner than the minimum value.
  • ⚠️ Uneven wear — one side of the disc is thinner than the other (problem with the caliper).

On Almera G15 most often suffer front discs - they take up to 70% of the load. The rear ones wear out more slowly, but they also need to be checked. For example, if the car “pulls” to the side when braking, the problem may be a deformation of the rear disc.

📊 How often do you check your brake discs?
  • Every 10,000 km
  • Every 30,000 km
  • Only when symptoms appear
  • Never checked

⚠️ Attention! On Almera G15 with mileage of more than 100,000 km they often break down caliper guides. If you do not lubricate them when replacing discs, the new parts will last 2 times less.

The best analogues of original discs: comparison of brands

Original wheels Nissan They are expensive (from 8,000 rubles per pair), but there are decent analogues. We tested 5 popular brands for Almera G15 with mileage 80,000–120,000 km. Results:

Brand Article (front) Price per pair, rub. Resource, thousand km Features
ATE 24.0120-0189.1 5 500 50–60 Good heat dissipation, but rust quickly
Brembo 09.9662.11 7 200 60–70 Minimal runout, suitable for aggressive riding
TRW DF4580 4 800 40–50 Budget option, but they creak with cheap pads
Bosch 0 986 479 720 6 100 55–65 Optimal price/quality ratio
Ferodo DDF1035 5 800 50–60 Soft, but wears out quickly with frequent braking

For Almera G15 with mileage up to 100,000 km the best choice is Bosch or ATE. If the car is used in a city with frequent braking, it is better to take Brembo (they are more expensive, but will last longer). TRW Suitable for budget repairs, but be prepared for squeaks.

How to distinguish a fake?

Original wheels Brembo And ATE have a laser engraved logo and batch markings on the inside. Counterfeits often lack protective coating on the edges and the packaging is made of thin cardboard.

Step-by-step instructions: how to change brake discs yourself

Replacing disks with Almera G15 does not require a special tool, but there are some nuances. For example, on machines with ABS It is necessary to calibrate the sensors after installing new disks. Here is a step-by-step algorithm:

  1. Preparation: jack up the car, remove the wheel and unscrew the caliper (key 14 and 17). Hang the caliper on a wire to avoid damaging the hose.
  2. Removing the old disk: Unscrew the two bolts securing the disc to the hub (head 17). If the disc gets stuck, treat it with WD-40 and gently knock it down with a rubber mallet.
  3. Cleaning the hub: Remove rust from the seat with a metal brush. If you leave dirt on, the new disc will hit when braking.
  4. Installing a new drive: put the disc on the hub, tighten the bolts (tightening torque 80–100 Nm).
  5. Assembly: Reinstall the caliper, install the wheel and bleed the brakes (press the pedal 5-6 times).

No play in the wheel bearing|Smooth running of the caliper (does not jam)|Brake fluid level in the reservoir|No leakage from the brake hose-->

On Almera G15 with ABS After replacing the disks, you need to reset the errors in the control unit. To do this:

  1. Turn on the ignition (do not start the engine).
  2. Press the brake pedal 8 times at 1 second intervals.
  3. Turn off the ignition, wait 10 seconds and start the car.
⚠️ Attention! If the light comes on after replacing the disks ABS, which means the sensor has not been calibrated. You need to go for diagnostics or reset the error through ELM327 (error code C1130).

Common mistakes when replacing disks and how to avoid them

Even experienced technicians make mistakes when working with the brake system. Almera G15. Here are the most common:

  • 🔧 The caliper guides were not lubricated → the disc wears unevenly and a squeak appears.
  • 🔧 Tightened the disc bolts without a torque wrench → over-tightening leads to deformation, under-tightening leads to beating.
  • 🔧 Didn't check the brake hoses → cracks lead to fluid leakage and brake failure.
  • 🔧 Installed discs without cleaning the hub → dirt causes imbalance and vibrations.

Another common problem is incompatibility of discs and pads. For example, if you install soft pads Ferodo with hard drives Brembo, braking distance will increase by 15–20%. Optimal pairs:

  • 🔹Disks Bosch + pads ATE.
  • 🔹Disks Brembo + pads Brembo (series P85056N).
  • 🔹Disks TRW + pads TRW (article GDB1446).

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On Almera G15 with mileage over 150,000 km, be sure to check brake cylinders! Their wear leads to jamming of the calipers and premature wear of the discs.

Grooving vs replacement: which is better for Almera G15

Grooving discs is a temporary solution that is not always suitable. On Almera G15 You can grind discs if:

  • 🔧 The thickness of the disc is greater than the minimum (for example, the front disc is 20.5 mm with a minimum of 20 mm).
  • 🔧 No deep furrows (up to 0.5 mm).
  • 🔧 The disc is not deformed (beatout less than 0.1 mm).

The cost of grooving is from 1,500 rubles. for a couple of disks, but this is beneficial only in two cases:

  1. Original or premium brand discs (Brembo, ATE).
  2. The car's mileage is less than 100,000 km (after that the risk of repeated wear is higher).

In practice, the groove is justified for rear discs, which wear out more slowly. It is better to change the front discs - after sharpening they will last no more than 15,000 km.

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If you decide to sharpen your wheels, be sure to check wheel balancing after the procedure. An imbalance of 10 grams will cause vibrations at speeds of 80+ km/h.

FAQ: questions about Almera G15 brake discs

Is it possible to install perforated wheels on Almera G15?

Technically yes, but it makes no sense. Perforation improves cooling under extreme loads (for example, on the track), but in the city it only accelerates pad wear. On Almera G15 standard wheels Bosch or ATE work more efficiently.

What is the resource of the original disks?

With a quiet ride - 80,000–100,000 km. In a city with frequent braking - 50,000–60,000 km. The quality of the pads affects wear: for example, with pads Nisshinbo discs last 20% longer than with TRW.

Why do brakes squeak after replacing discs?

Reasons:

  • 🔹 The pads are not worn in (the creaking will disappear after 200–300 km).
  • 🔹 No lubricant was applied to the caliper guides (SLIPKOTE 220-R DBC).
  • 🔹 Discs or pads are fake (check the markings).

Do I need to change disks in pairs?

Yes! If you replace only one disk (for example, the right front), the car will “pull” to the side when braking. The exception is the rear discs: they can be replaced one at a time if the wear is even.

Which disks are better - ventilated or not?

On Almera G15 installed from the factory ventilated front discs (with channels inside) and unventilated rear Changing the type is not recommended: non-ventilated discs overheat during heavy braking, and ventilated discs on the rear axle are useless (the load is lower there).