35320-2G720
BOSCH 35320-2G720 Yüksek Basınç Pompası Hyundai Sonata Kia Optima 2.4L GDI Theta II
35320-2G730, 35320-2G700, 0261520282Integrated Normally Open 12V Pulse-Width Modulated SCV-150 barUyumlu Araçlar ve Motorlar
Teknik Özellikler
| Özellik | Değer |
|---|---|
| Sistem Tipi | Bosch HDP-5 Radial Mechanical Plunger High-Pressure Fuel Pump |
| Çalışma BasıncıTemel Değer | |
| Actuation Mechanism | Exhaust Camshaft Lobe via Roller Tappet Lifter 35325-2G700 |
| Mounting Flange Torque | 13 N·m Evenly tightened cross pattern |
| High Pressure Line Torque | 27 N·m Flare Nut Connection |
| Pressure Regulator Valve | Integrated Normally Open 12V Pulse-Width Modulated SCV |
| Tipik Arıza Kodları | P0087 (Fuel Rail Pressure Too Low), P0088 (Rail Pressure Too High), P0172 (Fuel Trim Rich) |
| Workshop Precaution | Inspect cam roller follower 35325-2G700 for scoring; verify oil is not fuel-diluted from torn plunger seal |
Uyumlu Yakıt Enjektörleri (Yakıt Devresi Grubu)
Doğrudan bu yüksek basınç pompasıyla beslenir. Marş sırasında ray basıncı yükselmezse enjektör geri dönüş miktarını kontrol edin.
Montaj İpuçları
- [
- {
- "step": 1,
- "title": "Depressurize Fuel Rail & Disconnect Wiring",
- "instruction": "Depressurize fuel line by removing fuel pump fuse. Disconnect electrical connector from high pressure flow control solenoid."
- },
- {
- "step": 2,
- "title": "Disconnect Fuel Feed & High Pressure Pipes",
- "instruction": "Remove low pressure rubber supply line clamp. Loosen high-pressure flared fuel pipe connection (27 N·m union nut)."
- },
- {
- "step": 3,
- "title": "Remove Flange Bolts & Inspect Roller Tappet",
- "instruction": "Back out mounting flange bolts evenly in alternating turns. Remove pump body and extract roller lifter 35325-2G700. Check for surface galling."
- },
- {
- "step": 4,
- "title": "Install Pump with New O-Ring & Final Torque",
- "instruction": "Install new lubricated Viton seal ring. Position pump squarely and torque flange bolts evenly to 13 N·m. Torque high pressure steel pipe to 27 N·m."
- }
- ]
Ariza Kodlari (DTC) ve Teshis Protokolleri
Bu common rail enjektorunde asinma, devre arizasi veya kalibrasyon kaymasi olustugunda tetiklenen yaygin ariza kodlari (DTC):
Fuel Rail / System Pressure Too Low
Excessive internal backleak from worn control valve seats drops common rail pressure below target under engine load.
Injector Circuit Malfunction / Open Circuit
Solenoid coil resistance drift (0.2-0.5 Ω) or piezo stack degradation triggers driver stage shutdown on affected cylinders.
Cylinder Misfire & Balancing Deviation
Carbon-clogged nozzle spray holes or missing IMA calibration causes uneven cylinder contribution. Recode ECM and verify washer seating.
Fuel Rail / System Pressure Too High
Spill line backpressure or stuck metering valve prevents rail depressurization, creating overpressure risks under load.
Teknik Arıza Teşhis ve Servis Protokolleri
Bu parça grubu için doğrulanmış atölye prosedürleri, test eşik değerleri ve servis talimatları.