Motor aplicável:
YD25 / YD25DDTI / YD22 / YD22DDTI
Marca aplicável:
NISSAN
Carro aplicável:
HI LUX / LAND CRUISER / VIGO
Parâmetros do produto:
| Deslocamento | Combustível | Cilindro | Vale | Eixo de comando | Ano |
| 2.2 / 2.5 |
Diesel
|
4 | 16 | 2 | 2001- |
Cabeça do cilindro
Cabeçote de cilindro de alumínio para motores turbodiesel Nissan YD25DDTI YD22DDTI
Introdução
Nº do produto.
| ML Nº. | Nº OEM. | Nº DE REF. |
| MLG051A | 11040 5M300 11040 5M301 11040 5M302 11040 BN360 | 908505 |
| MLG051B | 11039 EC00A 11039 EB30A 11040 EB30A 11040 EB300 11040 EC00C | 908510 |
| MLG051C | 11040 5X00A | 908527 |
| MLG051D | 11040AW400 11040AW401 | 908507 |
| MLG051E | 110408H800 110408H802 11040AW802 | 908508 |
Informações sobre o produto Cabeçote do cilindro
1. Visão geral do produto
Nissan’s YD series diesel engines — YD25DDTi (2.5L) and YD22DDTi (2.2L) — are high-performance inline-4 turbocharged diesel engines used in SUVs, pickups, vans, and commercial vehicles. Both feature DOHC 16-valve aluminum alloy cylinder heads, with VP44 mechanical or common-rail (CRDi) fuel systems, depending on the market and year.
2. Especificações Técnicas
| Item | YD25DDTi | YD22DDTi |
|---|---|---|
| Deslocamento | 2,5 L (2488 cc) | 2,2 L (2184 cc) |
| Trem de válvulas | DOHC, 16 válvulas | DOHC, 16 válvulas |
| Material da cabeça | Liga de alumínio | Liga de alumínio |
| Sistema de combustível | VP44 / CRDi | Primarily VP44 |
| Turboalimentado | Sim | Sim |
| Padrões de Emissão | Euro 3–5 | Euro 3 |
| Tempo | Corrente de distribuição | Corrente de distribuição |
| Sistema de refrigeração | Refrigerado a água | Refrigerado a água |
3. OEM Cylinder Head Numbers
YD25DDTi:
- 11039-5X00A – Early VP44 version
- 11039-5X01A – Common Rail version
- 11039-EC00A / EC00B – Updated casting for CRD
- 11039-VK525 / VK526 – Reinforced high-performance version
- 11039-EB70A – Late-model NP300
YD22DDTi:
- 11039-8H800
- 11039-8H801
- 11039-8H802
- 11039-BN300 – CRD version for X-Trail / Almera
- 11039-BN30A – Newer casting
4. Veículos compatíveis
| Modelo | Motor | Notas |
|---|---|---|
| Nissan Navara D22/D40 | YD25 | Pickup / Ute 2002–2015 |
| Nissan Pathfinder R51 | YD25 | SUV, 2005–2012 |
| Nissan NP300 / Hardbody | YD25 | Africa, Asia, LATAM markets |
| Dongfeng Rich | YD25 | China domestic pickups |
| Nissan X-Trail T30/T31 | YD22/YD25 | Diesel trims 2001–2013 |
| Nissan Almera / Bluebird Sylphy | YD22 | EU diesel variants |
| Nissan Serena (C24) | YD22 | MPV 2001–2006 |
| Nissan Primera / AD | YD22 | European 2.2 Di/Dci versions |
5. Product Availability
| Opção | Detalhes |
|---|---|
| Cabeça descoberta | Somente fundição, sem componentes internos |
| Cabeça Semi-Completa | Includes valves, guides, springs |
| Cabeça totalmente montada | Camshafts, lifters, valves pre-installed |
✔ Precision-machined sealing surfaces
✔ Pressure-tested cooling jackets
✔ Suitable for OEM replacement & rebuild kits
6. Notas de instalação
- Use novo Junta de cabeçote MLS e new torque-to-yield (TTY) bolts
- Thoroughly clean oil and coolant passages before installation
- Ensure proper injector seat sealing – replace copper washers
- Verificar timing chain tensioner & guides during service
- Confirm EGR ports and swirl chamber compatibility for CRD versions
- After reassembly, bleed cooling system and prime oil before starting
7. Common Cylinder Head Problems & Repair Advice
| Problema | Sintoma | Causa | Correção recomendada |
|---|---|---|---|
| Cabeça do cilindro rachada | Overheating, white smoke | Weak castings (early YD25), excessive load | Use reinforced heads (e.g., VK525); always replace head bolts |
| Sopro do injetor | Ticking, smoke, black injector seats | Worn copper washer or seat erosion | Reface seat, install new washers with correct torque |
| Camshaft Journal Wear | Noise, misfire, loss of power | Oil starvation, dirty oil | Replace cam or complete head; clean oil channels |
| Coolant Mixing with Oil | Milky oil or sludge | Internal crack or EGR cooler leak | Pressure test head & cooler; replace head or gasket |
| Valve Seat Recession | Misfire, poor compression | Low-quality fuel, long hours | Resurface valve seats or replace head |
8. Key Export Markets
- Ásia: Philippines, Thailand, Indonesia, China
- África: Nigeria, Kenya, South Africa, Egypt
- Europa: UK, France, Spain, Germany
- América latina: Chile, Bolivia, Colombia, Peru
- Médio Oriente: Iraq, UAE, Saudi Arabia
- Oceânia: Australia, New Zealand