156
INJECTION
Component (diagr.) Supplier Reference Observations
Diesel injectors 22 BOSCH 9625542580
Reference 1 –Blue marking : injector Class 1.
Reference 2 – Green marking : injector Class 2.
If changing a diesel injector-carrier, order a
component of the same class.
Fuel high pressure regulator 27 BOSCH Fixed on the fuel high pressure pump.
Fuel high pressure pump 3rd piston
deactivator
28 BOSCH Fixed on the fuel high pressure pump.
Air circuit
Component (diagr.) Supplier Reference Observations
Air flowmeter 4 SIEMENS
Air filter 23 PSA 7899
Turbocompressor 24 KKK /
Exhaust gas recycling valve
(EGR)
25 PIERBURG Shim reference: violet.
Recycling regulation electrovalve
(EGR)
26 BOSCH
Exhaust line 29
Vacuum pump 44
EGR butterfly housing 46 MARK IV
EGR butterfly housing electrovalve 45 BOSCH
FEATURES OF BOSCH HDi DIRECT INJECTION SYSTEM
Fuel circuit (continued)
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