Alternator belt Nissan Almera - this is the element that is often left unattended until it starts to “whistle” or breaks at the most inopportune moment. Meanwhile, its condition directly affects the operation of electrical equipment, air conditioning and even the engine cooling system. If you notice signs of wear—cracks, delamination, or slippage—it's time to look into replacement.
In this article we will look at Alternator belt layout diagrams for different generations Almera (including popular N16, G15 And B10), we will dwell in detail on the nuances of tension, selection of analogues and typical installation errors. You will learn how to do without a service station, even if you have no experience in car repair. And for those who prefer visual instructions, we have prepared step by step photos And belt compatibility table with original articles and analogues.
What generations Nissan Almera consider: differences in schemes
The alternator belt pattern depends on the year of manufacture, engine type and vehicle equipment. B Nissan Almera There are three main options:
- 🔧 Almera N16 (2000–2006) - engines
QG15DE(1.5 l) andQG18DE(1.8 l). Here the belt drives the alternator, power steering pump (if equipped) and air conditioning. Scheme with a tension roller. - 🔧 Almera Classic/G15 (2006–2012) - engines
HR15DE(1.5 l) andHR16DE(1.6 l). Simplified diagram without power steering, but with air conditioning. The tension is regulated by the generator. - 🔧 Almera B10 (2012–2019) - engine
K4M(1.6 l, Renault-Nissan). The scheme is similar to G15, but with a different arrangement of rollers.
Important: Almera N16 With air conditioning, the belt is longer than without it. And in G15/B10 Belt length depends on availability power steering pump (although it is often missing in basic versions). Before purchasing a new belt, be sure to check equipment for your car.
- QG15DE/QG18DE (N16)
- HR15DE/HR16DE (G15)
- K4M (B10)
- I don't know
Alternator belt diagram Nissan Almera N16: step by step photo
On Almera N16 The alternator belt drives: generator, power steering pump (if any) and air conditioning compressor. The tension is adjusted with a special roller. Below is a diagram for the version with air conditioning (most common option):
- 🔄 1. Crankshaft pulley - the bottom roller from which the movement comes.
- ⚡ 2. Generator - top right roller.
- ❄️ 3. Air conditioning compressor - upper left roller.
- 🔧 4. Tension roller — adjusts the tension (rotates counterclockwise to loosen).
- 💧 5. Power steering pump — middle roller (if included).
To replace the belt with N16 you will need a key for 14 mm for tension roller and head on 10 mm for mounting the generator. Feature: if you have a version without air conditioning, the belt is 10–15 cm shorter, and the circuit is simplified to 3 rollers (crankshaft → generator → tension roller).
Remove the engine protection (if it interferes)|Loosen the tension roller with a 14 mm wrench|Fix the generator with a 10 mm head|Remove the old belt, remembering the direction of movement|Check the condition of the rollers for play-->
Scheme for Almera G15 And B10: What has changed?
On Almera G15 (2006–2012) and B10 (2012–2019) the scheme has been simplified: there is no tension roller in the classical sense. Belt tension is adjustable moving the generator on the skids. This made the design cheaper, but made replacement more difficult for beginners.
Scheme for HR16DE (G15/B10) with air conditioning:
| element | Position on the diagram | Features |
|---|---|---|
| Crankshaft pulley | 1 | Bottom roller rotates clockwise |
| Generator | 2 | Tension is adjusted with a bolt on the bracket |
| Air conditioning compressor | 3 | Only in versions with climate control |
| Support roller | 4 | Not available in basic configurations |
⚠️ Attention: On Almera B10 with engine K4M (1.6 L) belt can drive coolant pump. If after replacing the belt the engine begins to overheat, check to see if the belt has fallen off this pulley!
Which belt to choose: original vs analogues
Original belts from Nissan They last longer, but cost 2–3 times more than analogues. For Almera Belts from the following brands are suitable:
- 🏆 Original:
11720-4M500(N16 with air conditioning),11720-9H60A(G15/B10). Price: 1500–2500 ₽. - 💰 Budget analogues: Gates (article
6PK1730), Contitech (6PK1713). Price: 500–900 ₽. - ⚙️ Premium replacement: Dayco (
6PK1728), Mitsuboshi (6PK1715). Price: 1000–1400 ₽.
When choosing, pay attention to:
length (indicated in millimeters, for example, 1730 mm),
number of streams (usually 6PK - 6 streams),
material (optimally - EPDMresistant to high temperatures).
If you are not sure of the size, remove the old belt and measure its length along the outer contour (without stretching). Most stores allow you to select an analogue at this length.
Step-by-step replacement of the alternator belt: errors and nuances
Belt replacement process Almera takes 30–60 minutes. The main thing is to take your time and follow the plan. Let's look at the algorithm using an example Almera G15:
- Release the tension: Unscrew the generator mounting bolt (the key is on
13 mm) and tensioner bolt (key on10 mm). Slide the generator towards the cylinder block. - Remove the old belt: carefully pull it off the pulleys, remembering the direction of movement (usually there is an arrow on the belt).
- Check out the videos: rotate the tension and support rollers - they should not play or creak. If there is play >1 mm, replace them.
- Install a new belt: Start with the crankshaft pulley, then the alternator, then the air conditioning compressor (if equipped). Pull the belt, moving the generator away from the block.
- Check tension: the belt should bend by
8–10 mmwhen pressing with a finger between the generator and crankshaft pulleys.
⚠️ Attention: On Almera N16 often forgotten lock the tension roller after installing the belt. If this is not done, the belt quickly stretches, and after 100–200 km it begins to whistle again. To lock the roller, use a locking device or tie.
What to do if the belt whistles after replacement?
The whistling sound of a new belt is normal in the first 100–200 km, while it is “grinding in.” But if the sound does not pass through, check:
1. **Tension** - too little or too much tension will cause slippage.
2. **Pulley condition** - Dirt or corrosion on the pulleys reduces traction.
3. **Belt quality** - cheap analogs made from low-quality rubber whistle longer.
4. **Liquid ingress** - antifreeze or oil on the belt causes slipping. Clean the pulleys with alcohol.
When to change the alternator belt: signs of wear
The manufacturer recommends checking the condition of the belt every 15,000 km, and replacement should be carried out through 60,000–80,000 km. However, in practice, service life depends on operating conditions. Look out for the following signs:
- 🔊 Whistle when starting engine - especially in damp weather or when the air conditioner is turned on.
- 🔍 Cracks or delaminations — Visually inspect the belt for damage.
- 💥 Broken cord threads — if protruding fibers are visible inside the belt, it urgently needs to be changed.
- 🔄 Slippage — when you turn on the headlights or air conditioning, the generator speed drops and the belt slips.
If you ignore these symptoms, the belt may break on the road. Consequences: battery low (the generator does not work), engine overheating (if the belt drives the pump), air conditioner breakdown or power steering.
On an Almera with an HR16DE (G15/B10) engine, a broken alternator belt can lead to the coolant pump stopping and engine overheating. Always carry a spare belt with you!
Frequently asked questions about alternator belts Nissan Almera
Is it possible to drive with a whistling alternator belt?
In the short term, yes, but it is fraught with consequences. A whistling noise means the belt is slipping and the alternator is not producing full power. As a result, the battery is undercharged and electronics (e.g. EUR or air conditioner) works intermittently. If the whistle only occurs at startup or in wet weather, you can delay replacement by 1-2 weeks. But if the sound is constant, the belt needs to be changed immediately.
Which belt is suitable for Almera N16 without air conditioning?
For Almera N16 without air conditioning shorter belt fits - original article 11720-4M505 (length ~1600 mm). From analogues: Gates 6PK1600 or Contitech 6PK1595. Check the length according to the old belt, as some configurations may have an option 15–20 mm longer.
Do I need to change the rollers along with the belt?
Be sure to check the condition tension And reference rollers. If they play, squeak, or show signs of wear (deterioration on the surface), they need to be replaced. On Almera N16 The tension roller fails more often than the belt - its service life is ~40,000 km. For G15/B10 rollers are more reliable, but they should also be inspected every time the belt is replaced.
What should I do if the battery light comes on after replacing the belt?
This means that the generator is not charging. Reasons: Weak belt tension — check the deflection (should be 8–10 mm). Poor contact at the generator terminals - clean the oxides. Generator malfunction — check the diode bridge or brushes. Reversing when connecting the battery - if you disconnected the battery, make sure that the terminals are connected correctly.
Can I install a belt from another Nissan model?
Theoretically yes, if it matches length, width And profile. For example, a belt from Nissan Note (HR15DE) suitable for Almera G15 with the same engine. But it is better to use belts recommended for your model - they take into account the characteristics of the pulleys and load. The table below shows compatible analogues:
| Model Nissan | Belt number | Suitable for Almera |
|---|---|---|
| Note (HR15DE) | 11720-9H60A | G15/B10 (1.5 l) |
| Tiida (HR16DE) | 11720-4M500 | N16 (1.8 l with air conditioning) |
| Micra (K4M) | 11720-4M510 | B10 (1.6 l) |