06F127025K
BOSCH 06F127025K Yüksek Basınç Pompası VW Golf GTI Mk5 Audi 2.0 TFSI
06F127025M, 06F127025J, 06F127025H, 06F127025F, 06F127025B, 261520038, 0261520044, HPP0004, 0261520038Integrated High-Speed Digital Flow Control Solenoid (N276)-120 barUyumlu Araçlar ve Motorlar
| Araç | Motor | Model Yılları |
|---|---|---|
| Volkswagen Golf GTI Mk5 / Jetta GLI | Volkswagen / Audi EA113 2.0L TFSI (BPY / AXX / BWA / CDL) | 2005-2008 |
| Audi A4 B7 / A3 8P | Volkswagen / Audi EA113 2.0L TFSI (BPY / AXX / BWA / CDL) | 2005-2008 |
| Audi TT 8J | Volkswagen / Audi EA113 2.0L TFSI (BPY / AXX / BWA / CDL) | 2007-2014 |
Teknik Özellikler
| Özellik | Değer |
|---|---|
| Sistem Tipi | VAG EA113 Bosch HDP 120-bar High-Pressure Direct Fuel Injection |
| Çalışma BasıncıTemel Değer | |
| Pump Mechanism | Intake Camshaft Driven Single-Piston Plunger Pump |
| Mounting Flange Bolt Torque | 10 N·m (89 in-lb) M6 triple-square / Torx bolts |
| High-Pressure Line Nut Torque | 27 N·m (20 lb-ft) rigid steel delivery pipe flare nut |
| Low-Pressure Union Torque | 15 N·m (11 lb-ft) threaded brass inlet fitting |
| Cam Follower Interface | DLC Flat Tappet Bucket (requires mandatory inspection/replacement) |
| Manufacturer | Bosch (Tier-1 OEM for Volkswagen AG) |
| Bosch Production Number | 0261520038 / 0261520044 |
Uyumlu Yüksek Basınç Pompası (Yakıt Devresi Grubu)
Aynı yüksek basınçlı Common Rail devresinde çalışır. Düşük basınç (P0087) teşhisinde enjektörleri değiştirmeden önce pompa debisini kontrol edin.
Montaj İpuçları
- Mandatory cam follower inspection: The flat bucket tappet wears through its black DLC coating; a perforated follower will grind the camshaft lobe flat, requiring camshaft replacement.
- Always replace the internal Viton sealing O-ring: Reusing the square-cut or round flange O-ring will result in oil weeping down the cylinder head timing chain housing.
- Counter-hold pump outlet fitting: Failing to support the hex adapter on the HPFP body when torquing the flare nut will crack the internal threaded aluminum boss.
- Prime before starting: Turn ignition key ON for 5 seconds three times without cranking to prime the low-pressure circuit and bleed air from the pump chamber.
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.