Engine volume 3.5 liters from Nissan - one of the most legendary and popular engines of the company, known under the index VQ35. This power unit was installed on dozens of brand models, from compact crossovers to premium sedans and sports coupes. Its history began in 2000, when engineers Nissan introduced a new line of V-shaped six-cylinder engines designed to replace outdated VQ30.
For more than 20 years of production VQ35 has undergone many modifications - from the basic VQ35DE to turbocharged VQ35HR and hybrid versions. The motor is famous for its reliability, but it also has typical “diseases” that every owner should be aware of. In this article we will look at all key aspects of operation, from technical characteristics to the nuances of repair and tuning.
Technical characteristics of the Nissan 3.5 l engine (VQ35)
Basic version VQ35DE debuted in 2000 and had the following parameters:
- 🔧 Volume: 3498 cm³
- 🔄 Configuration: V6, 24 valves (DOHC)
- ⚙️ Bore × stroke: 95.5 mm × 81.4 mm
- 💨 Power system: distributed injection Nissan ECCS
- 🔥 Compression Ratio: 10.3:1 (in later versions - up to 10.6:1)
Power varied depending on the model and year of manufacture. For example, in Nissan Maxima 2002 VQ35DE produced 255 hp, and in Infiniti G35 - already 280 hp thanks to a modified intake and exhaust system. Later modifications such as VQ35HR (2007), received aluminum cylinder block, lightweight connecting rod and piston group and variable valve timing system CVTCS, which made it possible to increase power to 306 hp.
| Modification | Power (hp) | Torque (Nm) | Years of production | Application |
|---|---|---|---|---|
| VQ35DE | 240–280 | 328–363 | 2000–2007 | Nissan Maxima, Altima, Murano, 350Z |
| VQ35DE Rev-Up | 287–300 | 363–378 | 2003–2006 | Infiniti G35, FX35, Nissan 350Z |
| VQ35HR | 306–315 | 358–366 | 2007–2015 | Nissan 370Z, Infiniti G37, Q50 |
| VQ35Hybrid | 245 (combined with electric motor) | 320 | 2011–2017 | Nissan Pathfinder Hybrid, Infiniti QX60 Hybrid |
Feature VQ35 is his aluminum cylinder block with cast iron sleeves, which ensures lightness and strength. However, this same decision became the cause of one of the main problems of the motor - oil consumption, which will be discussed below.
- VQ35DE (before 2007)
- VQ35HR (after 2007)
- VQ35Hybrid
- I don't know my modification
Weaknesses and typical problems of VQ35
Despite the reputation of a reliable motor, VQ35 has several “childhood diseases” that appear when driving over 150–200 thousand km. Here are the most common:
⚠️ Attention: If your Nissan with engine VQ35DE (2000–2006) began to “eat” oil (more than 1 liter per 1000 km), the problem lies in wear of oil scraper rings. In 80% of cases this requires major repairs, since replacing rings without boring the block rarely gives a long-term effect.
- 🛢️ Increased oil consumption: a typical problem for engines before 2007. The reason is design defects in the piston rings and valve stem seals. In some cases, replacing with updated rings from VQ35HR.
- 🔥 Overheating and cracks in the cylinder head: often occurs due to a faulty thermostat or clogged radiator. VQ35 sensitive to overheating - even single overheat can lead to head deformation.
- 🔊 Engine knock: on runs over 200 thousand km a knock may appear hydraulic compensators or main liners. The latter often suffer due to low oil pressure.
- 💨 Problems with the VVT system (CVTCS): in modifications with phase shifters (for example, VQ35HR) over time, gears and solenoids wear out, which leads to errors
P0011orP0021.
Another common problem is crankshaft oil seal leak. On motors VQ35DE the front oil seal often begins to “sweat” after 100 thousand km, and the rear oil seal - closer to 150 thousand km. If the leak is ignored, oil gets onto the timing belt, which can lead to its breakage and valve bending (on VQ35DE stood until 2005 non-interference mechanism, but in later versions the valve is already bending!).
What to do if VQ35 starts to trip?
When tripling VQ35 first check:
1. **Spark plugs** (recommended replacement interval - 60 thousand km).
2. **Ignition coils** (often fail after a mileage of 100+ thousand km).
3. **Compression** (the norm is 12–14 bar in each cylinder; a variation of more than 1 bar is a reason for diagnosis).
If the problem persists, the cause may be air leaking through the intake manifold gasket or faulty injectors.
Nissan 3.5 liter engine life: how long does it last?
Official resource VQ35 according to Nissan amounts to 250–300 thousand km, but with proper maintenance the motor easily overcomes the mark of 400–500 thousand km. Key factors affecting durability:
- ⏱️ Timely oil change: interval - every 7–10 thousand km (even if the manufacturer indicates 15 thousand km). Optimal oil - 5W-30 or 5W-40 with permission API SN or ILSAC GF-5.
- 🔥 Temperature control: VQ35 does not tolerate overheating. The optimal operating temperature is 90–95°C. If the needle rises higher, stop immediately and look for the cause.
- 🛠️ Fuel quality: The engine is sensitive to octane number. Recommended AI-95 or AI-98. With 92 gasoline, detonation is possible, especially in hot weather.
According to owner reviews, VQ35HR (2007+) more reliable than earlier ones VQ35DE, thanks to a modified piston group and lubrication system. However, its resource largely depends on driving style: with aggressive operation (frequent revs up to 6000+ rpm), the engine may require capital by 250 thousand km.
Regular oil changes and monitoring of the cooling system are the key to longevity VQ35. Even with a mileage of 300+ thousand km, the engine can remain in good condition if overheating is avoided and high-quality consumables are used.
Maintenance VQ35: regulations and recommendations
To Nissan 3.5 l service for as long as possible, adhere to the following maintenance schedule:
| Types of work | Interval (thousand km) | Notes |
|---|---|---|
| Changing the oil and filter | 7–10 | Use oil with viscosity 5W-30/5W-40 and filter Nissan 15208-9F600 (or analogues Mann, Fram). |
| Replacing the air filter | 30–40 | On dusty roads - every 20 thousand km. |
| Replacing spark plugs | 60–90 | Original candles - Nissan 22401-CK81B (NGK IFR6G-11K). |
| Replacing the timing belt | 100–120 | On VQ35DE before 2005 - a non-interference mechanism, but not worth the risk. |
| Flushing the cooling system | 60–80 | Use original antifreeze Nissan L255N (green). |
Pay special attention crankcase ventilation system. On runs over 150 thousand km, it often becomes clogged, which leads to increased oil pressure and leaks. It is recommended to clean the valve PCV every 50 thousand km.
Warm up the engine to operating temperature (oil drains better)
Prepare a new filter and oil (volume - 4.5–5 l)
Check the condition of the drain plug (if corroded, replace it)
After replacement, check the level after 5–10 minutes of engine operation
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⚠️ Attention: When changing the oil in VQ35HR (2007+) be sure to reset the service counter via the on-board computer (menu Maintenance → Oil Reset). Otherwise, the system may incorrectly calculate replacement intervals.
Tuning and modifications: how to increase power?
Engine Nissan 3.5 l has great potential for tuning. Even basic VQ35DE can be expanded to 300+ hp, and VQ35HR - up to 350–400 hp with minimal investment. Let's consider the main directions:
- 💨 Atmospheric tuning:
- Installation cold intake (For example, Injen or K&N) - adds 5–10 hp.
- Replacing the exhaust system with spider 4-2-1 and forward flow - up to +15 hp.
- Chip tuning (ECU firmware) - up to +20 hp. on a stock motor.
- 🔥 Turbo kits: for VQ35 there are ready-made kits (for example, from GReddy or Stillen), which allow you to increase power up to 450–500 hp. However, strengthening of the piston group and cooling system is required.
- ⚡ Hybrid builds: cylinder head combination from VQ35HR with block VQ37VHR (3.7 l) gives volume 3.8–4.0 l and power up to 400 hp. naturally aspirated.
One of the most popular and inexpensive ways to increase output is to replace throttle valve for a larger diameter option (for example, 70 mm instead of stock 60 mm) and installation sports camshafts (For example, Tomei or JUN). This gives an increase at high speeds, but can worsen traction at the bottom.
Before tuning, be sure to check the condition of the engine! If VQ35 has increased oil consumption or low compression, carry out a major overhaul first. A turbocharger on a “tired” engine will lead to its rapid destruction.
Comparison of VQ35 with other Nissan engines
How VQ35 Compares with other popular engines Nissan? Let's look at the key differences:
| Parameter | VQ35DE | VQ37VHR | VR38DETT (GT-R) | MR20DD (2.0 l) |
|---|---|---|---|---|
| Volume (l) | 3.5 | 3.7 | 3.8 | 2.0 |
| Power (hp) | 240–280 | 320–330 | 480–600 | 140–160 |
| Resource (thousand km) | 300–400 | 250–350 | 150–200 | 250–300 |
| Features | Reliable, but oily | More modern, but oil sensitive | Turbocharged, high potential | Economical but weak |
VQ35 compares favorably with VR38DETT (installed on Nissan GT-R) simplicity of design and reliability, but loses in power. Compared to VQ37VHR, 3.5 liter version less picky about the quality of oil and fuel, but inferior in dynamics. For everyday use VQ35 remains one of the best options among engines Nissan.
Which cars were equipped with a Nissan 3.5 liter engine?
List of models with VQ35 impressive - the engine was installed on cars Nissan, Infiniti and even Renault (in some markets). Here are the key models:
- 🚗 Sedans and coupes:
- Nissan Maxima (A33, A34, A35)
- Nissan Altima (L31, L32)
- Nissan 350Z (Z33)
- Nissan Skyline (V35, V36)
- Infiniti G35/G37 (V35, V36)
- Infiniti M35/M45 (Y50)
- 🚙 Crossovers and SUVs:
- Nissan Murano (Z50, Z51)
- Nissan Pathfinder (R51)
- Nissan X-Trail (T31, select markets only)
- Infiniti FX35/FX45 (S50)
- Infiniti QX4
- 🚐 Minivans:
- Nissan Elgrand (E50, E51)
- Nissan Quest (V42)
Interesting fact: VQ35DE also installed on Renault Vel Satis (for the European market) and even for some models Suzuki (For example, Suzuki Escudo in Japan). This speaks to the versatility and reliability of the platform.
If you choose used Nissan with engine VQ35, give preference to 2007+ models (VQ35HR). They are devoid of most of the “childhood diseases” of earlier versions and have a greater resource.
FAQ: Frequently asked questions about the Nissan 3.5 l engine
❓ Why does VQ35 “eat” oil and how to fix it?
The main reason is wear and tear oil scraper rings And caps. On engines before 2007, the problem is often solved by replacing the rings with updated ones (from VQ35HR) and cleaning the crankcase ventilation system. If the mileage exceeds 250 thousand km, it may be necessary block boring and installation of repair pistons.
A temporary solution may be to switch to an oil with a higher viscosity (for example, 10W-40), but this will not eliminate the cause, but will only slow down the consumption.
❓ Is it possible to install a turbine on a naturally aspirated VQ35?
Yes, but with reservations. Stock VQ35DE withstands pressure up to 0.5–0.7 bar without modifications, but for reliable operation the following is required:
- Reinforced pistons and connecting rods (e.g. from JE or Wiseco).
- Updated cooling system (larger radiator, oil cooler).
- High performance injectors (e.g. Nissan 370Z or Infiniti G37).
Ready-made turbo kits (for example, GReddy TD06) allow you to get 400–450 hp, but the engine life is reduced to 100–150 thousand km.
❓ What is the fuel consumption of Nissan 3.5 l?
Consumption depends on the model and driving style:
- Nissan Maxima (atmospheric VQ35DE): 10–12 l/100 km (city), 7–8 l/100 km (highway).
- Nissan Murano (all-wheel drive): 12–14 l/100 km (city), 8–9 l/100 km (highway).
- Infiniti G35 (with manual transmission): 13–15 l/100 km (city), but on the highway it can show 6–7 l/100 km at a cruising speed of 90–110 km/h.
After 200 thousand km, consumption may increase by 10–15% due to wear of the piston group.
❓ Which oil is better to fill in VQ35?
Optimal options:
- 5W-30: Nissan 5W-30 KE900-90042, Mobil 1 ESP 5W-30 (for engines with particulate filters).
- 5W-40: Liqui Moly Leichtlauf 5W-40, Castrol Edge 5W-40 (for hot climates or aggressive driving).
- 10W-40: Motul 8100 X-Clean 10W-40 (for engines with high oil consumption).
Important: Avoid oils with energy-saving additives (e.g. 0W-20) - they can accelerate wear VQ35.
❓ Is it worth buying a Nissan with mileage and a 3.5 liter engine?
Yes, but taking into account the following points:
- Check compression (the norm is 12–14 bar, the spread is no more than 1 bar).
- Please note oil consumption (up to 300 ml per 1000 km - the norm for a mileage of 200+ thousand km).
- Listen to the engine when it is cold - knocking or clicking noises may indicate problems with hydraulic compensators or main liners.
- Check your service history - regular oil changes are critical VQ35.
Best options to buy: Nissan Maxima 2007+, Infiniti G37, Nissan 370Z (with VQ35HR). Avoid early VQ35DE (2000–2003) no service history.