BOSCH
0261520135
Vedi Specifiche
SolenoidBosch HDP5 / HDP6 Gasoline Direct Injection High-Pressure Pump (200 bar)Euro 5625
BOSCH 0261520135 Pompa Alta Pressione GM Cadillac ATS CTS Chevy Malibu Buick Regal GS 2.0T LTG 12658478
Piattaforma motore:GM 2.0L Ecotec Turbo SIDI (LTG / LSY Tripower / LHU) →
RIFERIMENTO OE
12658478, 12651170, 0261520136, GDP108, HM10028, HPP0018VALVOLA DI CONTROLLO
-POLVERIZZATORE
-PRESSIONE RAIL
200 barNORMATIVA EMISSIONIEuro 5 / Euro 6 / EPA Tier 2 Bin 5
GARANZIA12 Mesi
02
Applicazioni Veicolo e Motore
| Veicolo | Motore | Anni |
|---|---|---|
| Cadillac ATS / ATS-L 2.0T | GM 2.0L Ecotec Turbo SIDI (LTG / LSY Tripower / LHU) | 2013-2019 |
| Buick Regal GS / Regal 2.0T | GM 2.0L Ecotec Turbo SIDI (LTG / LSY Tripower / LHU) | 2014-2020 |
| Buick Envision 28T AWD | GM 2.0L Ecotec Turbo SIDI (LTG / LSY Tripower / LHU) | 2015-2020 |
| Chevrolet Camaro 2.0T | GM 2.0L Ecotec Turbo SIDI (LTG / LSY Tripower / LHU) | 2016-2020 |
03
Specifiche Tecniche
| Specifica | Valore |
|---|---|
| part_number | 0261520135 |
| oem_reference | 12658478 |
| manufacturer | BOSCH |
| system_type | High Pressure Fuel Pump |
| pressure_rating | 200 bar (2900 psi) |
| operating_temperature | -40°C to +135°C |
| flange_mount_torque | 15 N-m (11 lb-ft) |
| high_pressure_line_torque | 30 N-m (22 lb-ft) |
| diagnostic_dtc | P0087, P0089, P2293, P0300 |
| Pressione di esercizioSpecifica Chiave |
GRUPPO CIRCUITO
Iniettori carburante abbinati (Gruppo circuito carburante)
Alimentato direttamente da questa pompa alta pressione. Verificare il flusso di recupero se la pressione rail non sale durante l avviamento.
HITACHICorrispondenza esatta motore e telaio
12658481Gasoline Direct Injection (GDI) • 150 bar
🚙 Buick Envision 28T Awd (LHU)
BOSCHCorrispondenza esatta motore e telaio
12698552High Pressure Injection System • 350 bar
🚙 Engine Code LHU
04
Istruzioni di montaggio
- Depressurize the fuel system completely via diagnostic scan tool or by removing the fuel pump fuse prior to line disassembly.
- Clean all surrounding bracket areas thoroughly using residue-free brake cleaner to prevent abrasive particulate ingress.
- Inspect the mechanical camshaft lobe and roller follower or clean injector bore seating surfaces before hardware alignment.
- Install component using fresh factory O-rings or Teflon combustion chamber seals lubricated only with clean motor oil.
- Torque mounting flange fasteners in alternating increments to 15 N-m (11 lb-ft).
- Torque high-pressure hydraulic tube fittings using a calibrated flare nut wrench to 30 N-m (22 lb-ft).
- Prime low-pressure fuel circuit, cycle ignition key 3-4 times, and inspect for high-pressure hydraulic leaks before road test.
Consigli e Avvertenze:
- Always replace single-use high-pressure metal fuel lines and micro-filter seals whenever disconnected.
- Verify camshaft driving lobe surfaces for scoring or flat spots before installing any mechanical pump.
- Reset long-term and short-term fuel trim adaptations via OBD-II diagnostic scanner after physical replacement.
05
Codici Guasto (DTC) e Protocolli Diagnostici
Codici guasto diagnostici (DTC) comuni generati quando questo iniettore common rail presenta usura, problemi ai circuiti o scostamenti:
P0087Critical
Fuel Rail / System Pressure Too Low
Excessive internal backleak from worn control valve seats drops common rail pressure below target under engine load.
P0201 - P0208High
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.
P0300 / P0301+High
Cylinder Misfire & Balancing Deviation
Carbon-clogged nozzle spray holes or missing IMA calibration causes uneven cylinder contribution. Recode ECM and verify washer seating.
P0088High
Fuel Rail / System Pressure Too High
Spill line backpressure or stuck metering valve prevents rail depressurization, creating overpressure risks under load.
PROTOCOLLI OFFICINA
Protocolli Tecnici di Diagnosi & Assistenza
Procedure d'officina verificate, valori soglia di test e linee guida operative per questo assieme.
DIAGNOSI COMMON RAIL IN OFFICINA
Leggi il protocollo tecnicoDiagnosi Pompa Alta Pressione: Codice P0087 e Bosch CP4
DIAGNOSTICA COMMON RAIL D
Leggi il protocollo tecnicoDiagnosi Valvola Dosatrice IMV SCV ZME & Test P0088
PROTOCOLLO DIAGNOSTICO OBD-II
Leggi il protocollo tecnicoGuida alla diagnosi del codice P0087: Bassa pressione rail
DIAGNOSI D
Leggi il protocollo tecnico