A2700700501
BOSCH A2700700501 Högtryckspump Mercedes A200 B200 CLA GLA M270 1.6T 2.0T
A2700700101, 2700700101--200 barPassande fordon & motorer
| Fordon | Motor | Årsmodell |
|---|---|---|
| Mercedes-Benz C-Class W205 (C200 / C300) | Mercedes-Benz M270 / M274 (1.6L & 2.0L BlueDIRECT Turbo) | 2014-2020 |
| Mercedes-Benz E-Class W213 (E200 / E300) | Mercedes-Benz M270 / M274 (1.6L & 2.0L BlueDIRECT Turbo) | 2016-2020 |
| Mercedes-Benz GLC-Class X253 (GLC260 / GLC300) | Mercedes-Benz M270 / M274 (1.6L & 2.0L BlueDIRECT Turbo) | 2015-2020 |
| Mercedes-Benz CLA-Class C117 (CLA250) | Mercedes-Benz M270 / M274 (1.6L & 2.0L BlueDIRECT Turbo) | 2013-2019 |
Tekniska specifikationer
| Specifikation | Värde |
|---|---|
| Part Number / SKU | A2700700501 |
| Manufacturer Brand | BOSCH |
| Component Type | Mechanical High Pressure Fuel Pump (HPFP) |
| Engine Application | Mercedes-Benz M270 1.6L & 2.0L Turbocharged DOHC 16V Direct Injection I4 |
| ArbetstryckHuvudspec. | |
| Mounting Torque (Flange / Bracket) | 20 N-m (177 lb-in) |
| Fuel Line / Rail Torque | 27 N-m (20 lb-ft) |
| Vanliga felkoder | P0087, P0088, P0171, P053F |
Matchande högtryckspump (Bränslekretsmontering)
Fungerar på samma högtrycks-common-railkrets. Vid lågt railtryck (P0087), kontrollera pumpens flöde innan injektorer byts ut.
Monteringsanvisningar
- Depressurize Fuel System: Pull fuel pump fuse or disconnect LPFP harness. Crank engine 5-8 seconds until it stalls to drop residual rail pressure below 5 bar.
- Clean Surrounding Cavity: Blow compressed air around cylinder head bore or pump flange cavity to prevent dirt ingress into the fuel rail.
- Lubricate & Fit Seals: Inspect Teflon combustion seals or O-rings. Coat lightly with clean motor oil (do not use grease) to avoid tearing during insertion.
- Torque to Factory Specification: Hand-thread bolts evenly. Tighten mounting fasteners to 20 N-m (177 lb-in), and torque fuel line fittings to 27 N-m (20 lb-ft).
- Prime & Leak Check: Cycle ignition to RUN position 3 times (5 seconds each) to build low-side pressure. Inspect fittings for leaks before starting engine.
Felkoder (DTC) och Diagnosprotokoll
Vanliga diagnosfelkoder (DTC) som aktiveras nar denna common rail-injektor uppvisar slitage, kretsfel eller kalibreringsavvikelse:
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.
Tekniska Diagnos- och Serviceprotokoll
Verifierade verkstadsrutiner, testgränsvärden och serviceinstruktioner för denna komponent.