Car Nissan Primera P11, released in the late 90s and early 2000s, remains a popular choice among lovers of reliable and comfortable sedans and station wagons. However, with age, any vehicle requires increased attention to the engine mount, especially to such critical elements as engine mounts. Their malfunction can turn a pleasant ride into a painful ordeal with vibrations and shocks to the body.
Many owners Nissan Primera They mistakenly believe that vibration at idle is an inevitable phenomenon for used foreign cars. In fact, if you feel a strong shaking of the steering wheel or hear characteristic knocking noises when starting and braking, the problem almost certainly lies in worn-out engine mounts. Ignoring this problem can result in serious damage to the powertrain and transmission.
Functions and design of engine mounts on Primera P11
Main task engine mounts — dampen vibrations that occur during engine operation and keep the power unit in a strictly specified position. On the model Nissan Primera P11 Usually three main supports are installed: right (upper), left (lower) and rear (transmission). Each of them has its own unique design and load.
Most supports are made in the form of a metal casing, inside of which there is a rubber-metal element or a hydraulic chamber. Over time, rubber loses its elastic properties, cracks and breaks down under the influence of temperatures and oils. Hydraulic cushions, if installed, may lose their seal, resulting in a complete lack of damping.
Experts highlight hydraulic supports as the most comfortable, but also the most demanding to maintain. Unlike simple rubber bushings, they are filled with a special liquid that effectively dampens high-frequency vibrations. However, if the seal is broken, such a pillow requires immediate replacement, since repair is impossible.
Wear symptoms and diagnostic methods
You can understand that the engine mounts are out of order by a number of characteristic signs that appear in different modes of vehicle operation. The most obvious symptom is the appearance of strong vibration on the steering wheel and seat when the engine is idling, especially in the “Drive” mode for an automatic transmission.
When starting or braking hard, you may hear dull metallic knocks coming from the engine compartment. This happens because the engine is not kept worn out support, makes excessive movement, hitting body elements or a subframe. Also pay attention to the appearance of jerks when changing gears.
A visual inspection often reveals a problem that may not always be noticeable while driving. You need to look into the engine compartment and check the condition of the rubber elements. Look for signs of tears, delamination of metal and rubber, and fluid leaks on the hydraulic bearings.
- 🚗 Strong body vibration when the engine is idling.
- 🔊 Characteristic metallic knocks when starting and braking.
- 🔧 The appearance of jerks when changing gears on an automatic transmission.
- 👀 Visible cracks, rubber breaks or leaks on the supports during visual inspection.
Selection of quality replacement parts
When choosing new pillows for Nissan Primera P11 It is worth considering that the market offers both original parts and high-quality analogues. Original supports from Nissan provide maximum comfort and resource, but their price can be quite high. Often original spare parts are supplied in blue or orange packaging, depending on the region and year of manufacture.
Analogs from trusted brands such as Lemförder, Febi or Corteco, often become an excellent compromise between price and quality. These manufacturers use modern rubber that better withstands aging and aggressive environments. However, you should avoid cheap Chinese fakes, which can break down after just a couple of thousand kilometers.
Particular attention should be paid to the material of manufacture. Rubber-metal supports are more durable, but may not be as comfortable as hydraulic ones. If you value silence and smooth running, it is better to look for hydraulic options if they are provided for in the design of your modification.
⚠️ Attention: Do not try to save money by buying the cheapest analogues of unknown brands. Low-quality rubber quickly hardens in the cold and cracks, which will lead to repeated replacement and additional labor costs.
- As it wears out
- Once every 100 thousand km
- Once every 50 thousand km
- Never changed
Instructions for replacing supports yourself
Replacement engine mounts on Nissan Primera P11 - a task of average complexity that can be performed in your own garage if you have a lift or inspection pit and a set of tools. You will need a jack, engine support, a set of sockets and wrenches, and a mounting spade.
Before starting work, it is necessary to securely fix the car and place a stop under the oil pan so that the engine does not fall when unscrewing the fasteners. It is important to follow the sequence of actions: first loosen the mounting bolts, then lift the engine to remove the load from the supports, and only then completely unscrew them.
Particular care should be taken when working on hydraulic mounts and near cooling system components. Do not damage the radiator or hoses by trying to pry the engine with a pry bar. If you are not confident in your abilities, it is better to entrust this work to professionals.
☑️ Preparation for replacement
Nuances of installation and adjustment
After installing the new supports, it is extremely important to properly tighten all fasteners. The bolts securing the supports to the engine and to the body must be tightened only under load, that is, when the engine is standing still and not hanging on a jack. Otherwise, the rubber will be twisted, which will lead to rapid failure of the new part.
Sometimes it becomes necessary to adjust the position of the engine. If after replacement you feel that the vibration has not disappeared, the engine may be offset from its original position. In such cases, it may be necessary to check the gaps between the engine and body elements.
When tightening bolts, use a torque wrench if available. The tightening torque for engine mount bolts is usually about 50-70 Nm, but it is better to check this data in the service documentation for your specific engine modification.
What to do if the bolts are stuck?
If threaded connections have oxidized, use a penetrating lubricant (WD-40 or equivalent). Moisten the thread generously and let the product act for 15-20 minutes. Do not use excessive force to avoid stripping threads in the subframe or cylinder block.
Comparison of manufacturers and cost of spare parts
For clarity, we present a table with approximate characteristics and prices of various manufacturers of supports for Nissan Primera P11. Prices may vary depending on the region and exchange rate, but the ratio of cost and quality remains approximately the same.
| Manufacturer | Support type | Approximate price (RUB) | Resource (km) |
|---|---|---|---|
| Nissan (Original) | Hydraulic/Rubber | 8000 - 15000 | 100 000+ |
| Lemförder | Rubber-metal | 4000 - 7000 | 80 000 |
| Febi Bilstein | Rubber-metal | 3000 - 5000 | 60 000 |
| Analogs (China) | Rubber | 1000 - 2000 | 20 000 |
When choosing a manufacturer, remember that original spare parts are often the most reliable option, despite the high cost. They undergo rigorous testing and meet all engineering requirements Nissan. However, high-quality analogues can offer a better price without a significant loss in comfort.
Be sure to check the part numbers before purchasing. For different engines (SR20, QG18, QR20), the supports may differ in size and mounting.
Consequences of ignoring a fault
Many car owners put off replacing airbags, considering vibration only an inconvenience. However, the consequences can be much more serious. Constant shaking leads to the destruction of other components of the car, including exhaust system brackets, cooling system pipes and even wiring wires.
The most critical consequence is damage gearboxes. If the engine is severely misaligned, the shaft of the automatic transmission or manual transmission may become distorted, which will lead to expensive transmission repairs. It is also possible that cables or hoses may rupture, which can lead to leaks of technical fluids.
⚠️ Attention: Ignoring the malfunction of one support often leads to accelerated wear of the others, since the load is redistributed unevenly. This may result in you having to replace the entire set at once, increasing costs.
Timely replacement of all three engine mounts guarantees not only comfort, but also the safety of other vehicle components, preventing costly repairs in the future.
How often do you need to change engine mounts on a Nissan Primera P11?
The recommended replacement interval is 80,000 – 100,000 km. However, when the first signs of vibration or knocking appear, diagnostics should be carried out immediately, regardless of mileage.
Is it possible to replace only one pillow?
This is technically possible, but experts do not recommend it. If one support is worn out, the others most likely have a similar life. Replacing only one can lead to uneven load and rapid failure of the new part.
Do I need to change pillows in pairs?
Yes, it is advisable to change the entire set or at least in pairs (for example, front and rear). This will ensure even distribution of the load and the same level of comfort when moving.
Does engine type affect the choice of pillows?
Absolutely. For engines SR20, QG18 and QR20 Different fastenings and rigidity of supports are used. Be sure to check compatibility using your vehicle's VIN before purchasing.