Replacing front brake pads on a Nissan Sunny: detailed instructions with nuances

Brake system Nissan Sunny - a critical unit on the condition of which your safety depends. The front pads wear out 2-3 times faster than the rear ones due to greater load, and their timely replacement is not a whim, but a necessity. If you notice squeaking when braking, increased pedal travel, or vibrations in the steering wheel, it's time to take action.

This article will help you figure out how to replace front pads with Sunny (including models B14, B15 and restyled versions) without contacting the service. We'll take a closer look at parts selection, the tools needed, the step-by-step process, and common mistakes that can shorten the life of your new pads. We will pay special attention to the nuances associated with TEIN calipers And AKEBONO brake discs, which are often installed on these vehicles.

When it's time to change the pads: 5 obvious signs

The manufacturer recommends checking the thickness of the pads every 15–20 thousand km, but the actual period depends on driving style and quality of spare parts. Here are the signals that replacement is imminent:

• 🔊 Creaking or squealing when braking - this is not always an indicator of wear (can be caused by sand), but it is dangerous to ignore it. On the blocks Nissan Sunny Metal wear indicators are often installed, which begin to “squeak” at a critical thickness.
• 📏 Friction layer thickness less than 3 mm. You can check this through the caliper inspection window or by removing the wheel. On Sunny With rear drum brakes, the front pads wear out even faster.
• 🚗 Increased brake pedal travel or its "softness". This may indicate either pad wear or air entering the brake system after a recent repair.
• 🌀 Vibrations on the steering wheel when braking - a sign of uneven wear of the pads or deformation of the brake discs. On Sunny with ABS this symptom is more pronounced.
• 💨 Dust on wheels. Black dust is normal for ceramic pads, but if it turns metallic (silver), this is a signal of destruction of the friction layer.

On Nissan Sunny B15 with engines GA16DE And QG18DE pads last longer than B14thanks to a more efficient brake cooling system. However, if you frequently drive on mountain roads or tow a trailer, the replacement interval will be reduced to 10–12 thousand km.

⚠️ Attention: If deep cracks or chips appear on the pads, they must be replaced immediately - even if the friction layer is sufficiently thick. Such defects lead to uneven braking and the risk of caliper jamming.

Which pads to choose: original vs analogues

Original pads for Nissan Sunny supplied by the company AKEBONO (article D1060-5NA0A for the front axle). They are characterized by low noise and dust levels, but the price is high - from 3,500 rub. per set. Alternatives are not always worse:

Brand	Article	Material type	Average price (set)	Features
AKEBONO (OEM)	D1060-5NA0A	Ceramics	3,500–4,200 rub.	Minimal disc wear, low noise
Brembo	P 24 038	Semi-metallic	RUB 2,800–3,300	High temperature resistance, suitable for aggressive riding
Ferodo	FDB1486	Low metal	2,200–2,600 rub.	Good price/quality balance, average dust level
TRW	GDB1486	Organic	1,900–2,300 rub.	Soft, little noise, but wear out faster

For Nissan Sunny with ABS (anti-lock braking system) it is better to choose pads with low friction coefficient (For example, AKEBONO or Ferodo) to avoid false positives. If you have installed ventilated discs (optional for versions with SR20DE), semi-metallic pads are also suitable Brembo - they dissipate heat better.

⚠️ Attention: Do not install on Sunny pads with asbestos composition - they are banned in the EU and the USA due to harm to health. In Russia, such spare parts are still found on the market, but their use can lead to problems with passing maintenance.

Tools and preparation: what you need

To replace the pads with Nissan Sunny No specialized tools are needed, but there are some nuances. Here's the full list:

• 🔧 Jack and stops (required! Lift the machine only on a level surface).
• 🔩 17 mm socket wrench - to unscrew the caliper guides.
• 🔧 Open-end wrench 12 mm - for bolts securing the caliper to the bracket.
• 🛠️ Hammer and wooden block - to gently press in the caliper piston.
• 🧴 WD-40 or brake lube (For example, SLIPKOTE 220-R DBC).
• 🧲 Magnet or wire - to hang the caliper and not damage the hose.
• 📦 New pads and clamps (if included).

Before starting work necessarily remove the negative terminal from the battery - this will prevent accidental activation of the electric caliper drive (relevant for models with electronic handbrake, although on Sunny it is rare). Also check the level of brake fluid in the reservoir - if it is maximum, pump it out a little with a syringe before pressing the piston, otherwise the fluid will overflow.

Remove the negative terminal from the battery |

Check brake fluid level|

Loosen the wheel bolts (do not remove!)|

Raise the car on a jack and install supports |

Clean the caliper from dirt with a wire brush -->

Step-by-step instructions: how to replace pads

Replacement process Nissan Sunny takes about 1–1.5 hours for two wheels. Follow the algorithm:

1. Remove the wheel and clean the caliper from dirt. Use a wire brush, but do not use compressed air - dust from the pads is harmful to the respiratory tract.
2. Unscrew the lower caliper bolt (12 mm wrench), then the top one. Carefully remove the caliper and hang it on a wire or magnet to avoid straining the brake hose.
3. Remove old pads. On Sunny they can “stick” - do not hit them with a hammer, it is better to use a screwdriver as a lever.
4. Clean the guides calipers and apply a thin layer of brake lube. This will prevent jamming in the future.
5. Install new pads. On some models Sunny There is wear indicators - they should be directed towards the brake disc.
6. Press in the caliper piston. To do this, use a hammer and a wooden block or a special tool. On models with ABS The piston can rotate - it needs to be pressed in with a slight turn counterclockwise.
7. Reassemble everything in reverse order and repeat the procedure for the second wheel.

After replacement press the brake pedal several timesso that the pistons are straightened and the pads take their working position. First 100–200 km Avoid sudden braking - new pads need to be broken in.

What should I do if the caliper piston does not press in?

If the piston is stuck, try the following:

1. Check to see if the brake fluid reservoir cap is removed (vacuum may be interfering).

2. Use a special pressing tool (such as Lisle 25800).

3. If the piston rotates, try pushing it in with a twist (as in Sunny with ABS).

4. As a last resort, carefully use the clamp, but do not overdo it - you can damage the boot.

Common mistakes and how to avoid them

Even experienced car owners sometimes make mistakes when replacing brake pads. Nissan Sunny. Here are the most common:

• 🔧 Unlubricated caliper guides. This leads to uneven pad wear and squealing noise. Use high temperature grease (not ordinary lithol!).
• 🚫 Forgot to clean the pad seats. Rust or dirt on the caliper bracket will cause misalignment and accelerated wear.
• 🔩 Retightened the caliper bolts. Recommended tightening torque: 25–30 Nm. On Sunny with aluminum calipers this is especially critical.
• 💧 Didn't check the brake fluid. If it is old (dark or with sediment), replace it - otherwise the new pads will last less.
• 🔄 The pads are not worn in. In the first 200 km, avoid sharp braking so that the friction layer lies evenly on the disc.

On Nissan Sunny B14 with rear drum brakes People often forget to adjust the handbrake after replacing the front pads. This causes the car to “pull” to the side when braking. Check the brake force balance on a bench or during a test drive.

When to change not only pads, but also discs

Brake discs on Nissan Sunny They last longer than the pads, but they also need to be checked. Critical indicators:

• 📏 Disc thickness less than 19 mm (value for most versions Sunny - 22–24 mm).
• 🌀 Deep grooves or wavy surface (more than 0.5 mm).
• 🔥 Overheating (metal turning blue) - a sign that the disc has lost strength.
• 🚗 Steering wheel wobble when braking (the disk "slipped" due to uneven cooling).

If the discs are worn out, they need to be replaced a couple (on the same axis), even if visually one looks better. On Sunny with engine SR20DE often installed perforated wheels — they cool better, but wear out faster. For them, the critical thickness is 20 mm.

Disk problem	Is it possible to sharpen it?	Cost of a new one (for 1 piece)
Irregularities up to 0.3 mm	Yes	—
Furrows 0.5–1 mm deep	Yes, but not for long	—
Thickness less than 19mm	No	from 2,500 rub.
Cracks or chips	No	from 3,000 rub.

Frequently asked questions about replacing pads on a Nissan Sunny

Is it possible to replace the pads on only one wheel?

No, this is strictly prohibited! Pads are always changed pair on one axis, otherwise the braking forces will be distributed unevenly, and the car will pull to the side when braking. The exception is if the pads on the second wheel are almost new (for example, they were replaced a month ago), but even in this case it is better to install a new set.

How much do the brake pads on Sunny cost for service?

The cost of replacing front pads at a service center varies from 800 to 1,500 rub. per wheel (depending on region). Taking into account spare parts, the total price will be:

• AKEBONO (original) - 7,000–8,500 rub. for a set with work;
• Ferodo or TRW — 4,500–6,000 rub.;
• Budget analogues - 3,000–4,000 rub..

Replacing it yourself will save you 1,500–3,000 rub., but requires caution.

Do I need to bleed the brakes after replacing the pads?

If you just replaced the pads and did not disconnect the brake hoses, bleeding is not required. However, if:

• You pushed in the caliper piston and the brake fluid poured out of the reservoir;
• We noticed air in the system (the pedal became “soft”);
• We worked with hydraulics (for example, we removed the main brake cylinder),

then do pumping necessarily. On Sunny with ABS, this requires a scanner to open the valve body valves.

How often should I check the pads on my Sunny?

Recommended inspection interval - every 10,000 km or once every six months. But there are nuances:

• For city driving (frequent braking) - every 8,000 km;
• For the highway (rare braking) - once every 15,000 km;
• If you notice creaking or vibrations - immediately.

On Nissan Sunny B15 with QG18DE Pads wear out faster due to the heavier weight of the engine, so check them frequently.

Which pads are better - ceramic or semi-metallic?

The choice depends on your driving style:

• Ceramic (AKEBONO, Ferodo Premier):
  • Pros: little noise, almost no dust, discs are gentle;
  • Cons: more expensive, perform worse at low temperatures (the first 5–10 km braking distance is longer).
• Semi-metallic (Brembo, Bosch):
  • Pros: cheaper, better braking when cold, suitable for aggressive driving;
  • Cons: more dust, discs wear out faster, can creak.

For Nissan Sunny with ventilated discs Semi-metallic pads are better - they dissipate heat better. For a quiet ride around the city, ceramic ones are optimal.