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HOMESERVICE MANUALSVOLVO2017S60 T5 INSCRIPTION, FWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 57 (IGNITION AND CONTROL SYSTEMS - DESIGN AND FUNCTION)ENGINE CONTROL MODULEENGINE CONTROL MODULE (ECM) [2011-2016, B6304T4 | 2015-2016, B6304T5]DESIGNFUEL PUMP
2017 Volvo S60 T5 Inscription, FWD

Fuel Pump

2017 Volvo S60 T5 Inscription, FWDSECTION Fuel Pump
WARNING: This page is about a different variant/trim than selected.
GLL1031581Courtesy of VOLVO CARS CORPORATION

The fuel pump consists of:

1 Electrical pump 10 Service life filter
2 Sensor for fuel level reading 11 First filler valve (cat flap type).
3 Level arm 12 Connector
4 Float 13 Valve port
5 Sock filter 14 Flange
6 Reservoir contents:
  • Pre-filter, pump
  • Umbrella valve, releases fuel into the reservoir.
  • Ejector pump, continuously fills the reservoir with fuel.
  • Check valve, opens at 10 kPa.
 15 Parking heater's connection
7 Safety valve, opens at 700 ± 100 kPa. 16 Flow to engine
8 Digital jet valve,
opens at:
  • AWD, FWD US 350 ± 30 kPa
  • FWD EU 300 ± 30 kPa

closes at:
  • AWD, FWD US 250 ± 30 kPa
  • FWD EU 200 ± 30 kPa
 17 Closed port
9 Reducing valve low pressure, only on AWD as well as FWD US, (Low Pressure Relief Valve), opens between 20 and 50 kPa, otherwise closed. 18 Bypass flow. Bypass flow from digital jet valve (8).
AWD: To ejector pump left tank half.
FWD: Return to reservoir (6).

The function of the fuel pump is to ensure that the correct pressure and glow is maintained at the fuel rail on the request of the Engine Control Module (ECM).

The fuel pump is electrically powered via the Pump Electronic Module (PEM) with variable outputs to supply varying fuel pressure/flow and is grounded in the body via the fuel pump control module.

The Engine Control Module (ECM) can diagnose the fuel pump function for the correct pressure and electric open circuit. The fuel pump control module is diagnosed by Engine Control Module (ECM). Also refer to: FUEL PRESSURE CONTROL, DIAGNOSTICS

The fuel pump can be activated and its status read off using the diagnostic tool.

The pressure in the fuel rail can be measured by connecting a manometer to a service nipple. This nipple is on the right-hand end of the fuel rail.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.