2000 Citroen C5 engine

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INJECTION
AIR SUPPLY CIRCUIT SPECIFICATION
Engine : RHY
(1) Air filterPSA 7899.
(2) FlowmeterSIEMENS
(3)Water / recycled gas exchangerVALEO
(4) E.G.R. valvePURFLUX
(5) Turbocharger KKK K03
(6) Air butterflyMAGNETI MARELLI
48W7 Ref. 648
B1HP1A6D

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INJECTION
(7) Air / air heat exchanger VALEO.
(8) Turbocharger KKK K03.
(9)EGR valvePURFLUX.
(10)Air butterflyMAGNETI MARELLI
48W7 Ref. 648.
(11)Air filter PSA 7899.
(12) Turbocharging pressure sensorNIPPON DENSO.
AIR SUPPLY CIRCUIT SPECIFICATION
Engine : RHZ
B1HP1A7P

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INJECTION
AIR SUPPLY CIRCUIT SPECIFICATION
Engine : 4HX
(1) Air / air exchanger
(2) Air / water exchanger
(3) Warm air metering device BOSCH.
(4) Cold air metering deviceBOSCH.
(5) Turbocharger ALLIEDSIGNAL GT1549P.
(6) FlowmeterSIEMENS.
(7) Air filter PSA 7885.
B1HP1BYP

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INJECTION
AIR SUPPLY CIRCUIT SPECIFICATION
Engine : 4HX
ESSENTIAL : Respect the safety and cleanliness
recommendations.
Tool.
[1] Manual vacuum pump: FACOMM DA 16.
Checks.
ESSENTIAL : Respect the safety and cleanliness
recommendations that are specific to high pressure
diesel injection (HDi) engines.
B1HP1ARP

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INJECTION
CHECKS : AIR SUPPLY CIRCUIT
Engine : 4HX
Vacuum pump.
- Connect the tool [1] on the vacuum pump (3).
- Start the engine.
- The vacuum should be 0.8 bar at750 rpm.
Boost vacuum regulation electrovalve.
- Connect the tool [1] between the electrovalve (2)and the valve(1).
Compare readings with the values in the table below.
Boost pressure regulation valve.
- Connect the tool [1] on the valve(1).(Grey marking on pipe).
- Appy a vacuum of 0.8 bar. The rod "a"should move 12 ± 2 mm.
- Rod "a"should be moved 12 mm.
«Swirl» control electrovalve.
- Connect the tool[1] as an adaptor between the electrovalve (4)and the control diaphragm of the «Swirl» (5).
- Compare readings with the values in the table below :
«Swirl» control diaphragm.
- Connect the tool[1] on the control diaphragm of the «Swirl» (5).
- Apply a vacuum of approx. 0,6 Bar; the pin (6)should be at the end stop, at «b».
Engine speed (rpm) Vacuum (Bar)
7800.6 Bar
40000.25 Bar
Engine speed (rpm) Vacuum (Bar)
7800.6 Bar
40000.25 Bar

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INJECTION
CHECKS : EXHAUST GASES RECYCLING CIRCUIT
Engines : RHZ - RHY
(1) Butterfly housing(3) Electrovalve (black connector)
(2) EGR valve(tube with blue marking)(4) Electrovalve(blue connector)
TOOL
[1] Manual vacuum pump : FACOM DA 16.
ESSENTIAL : Respect the safety and cleanliness requirements specific to
high pressure diesel injection (HDi) engines.
EGR electrovalve
- Check, not under load, between the electrovalve(4)and the EGR valve (2).
- Connect the tool[1] between the electrovalve (3)and the butterfly housing (1).
- Compare readings with the values in the table below.
Butterfly housing electrovalve.
- Check, not under load, between the electrovalve (3)and the butterfly housing (1).
- Connect the tool[1]between the electrovalve(3) and the butterfly housing(1).
- Compare readings with the values in the table below.
Engine speed (rpm) Vacuum value (bar)
7800.5 Bar
25000 Bar
B1HP1BVD

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INJECTION
CHECKS : EXHAUST GASES RECYCLING CIRCUIT
Engines : RHZ – RHY
EGR valve
- Connect tool [1]on the EGR valve capsule take-off (2).
- Apply a vacuum of approx.0,6 barto activate the EGRvalve.
- In abruptly suppressing the vacuum, the valve should click and lock itself back on its seating.
- Repeat the operation several times.
Butterfly housing
- Remove the air duct between the air/air exchanger and the butterfly housing (5),(1).
- Connect tool[1]on the butterfly housing vacuum capsule (1).
- Apply a vacuum of approx. 0,8 bar, the flap (a)of the butterfly housing(1)should be closed.
B1HP1BWCB1BP2ADC

Downloaded from www.Manualslib.com manuals search engine CHECKS : EXHAUST GASES RECYCLING CIRCUIT
Engine : 4HX
TOOL
[1] Manual vacuum pump : FACOMM DA 16.
ESSENTIAL : Respect the safety and cleanliness requirements specific to
high pressure diesel injection (HDi) engines..
Electrovalve (EGR).
- Check, not under load, between the electrovalve(3)(blue connector) and the EGRvalve (2)
(tube with blue marking).
- Connect the tool[1]between the electrovalve (3) and the EGRvalve(2).
- Compare readings with the values in the table below.
Butterfly housing electrovalve
- Check, not under load, between the electrovalve (4) (black connector)and the butterfly housing (1)
(Metering pump cold), (tube with white marking).
- Connect the tool[1]between the electrovalve (4) and the butterfly housing(1).
- Compare readings with the values in the table below.
Engine speed (rpm) Vacuum value (bar)
7800.5 Bar
25000 Bar
B1HP1B8D
133
INJECTION