2005 Citroen C4 start

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INJECTION
CHECKS: TURBO PRESSURE
Tools.
[1]Pressure gauge for checking boost pressure: 4073-T.A
[2] Sleeve for checking boost pressure: (-).0171.F
Checks.
IMPERATIVE: Respect the following test conditions:
- Engine at operating temperature.
- Vehicle in running order.
- Engine under full load.
Preparation.
Remove the clips (1).
Fit the tool [2]in the place of the duct (2).
Couple the sleeve [2] on the pressure gauge[1]using the tube «a».
Mode of operation.
Position tool [1]in the vehicle.
Start the engine.
Engagefirst gear, start the vehicle.
Engage the gears up to third gear.
Decelerate to an engine speed of 1000 rpm.
Check the pressure: 0,6 ± 0,05bar
(1500 rpm).
Accelerate freely (change from fourth gear to third gear).Check the pressure: 0,9 ± 0,05bar (between 2500and 3500rpm).
Remove tools [1], [2] and «a».
Reposition the tube (2)and tighten the clips(1).
B1BP2NXD
C5FP06RC
Engines: 8HX - 8HZ
XSARA
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Downloaded from www.Manualslib.com manuals search engine INJECTION
291
CHECKS: TURBO PRESSURE
IMPERATIVE: Respect the safety and cleanliness requirements.
Preparation.
IMPERATIVE: Respect the following test conditions:
- Engine at operating temperature.
- Vehicle in running order.
- Engine under full load.
Connect the diagnostic tool to the vehicle's diagnostic socket, carry out parameter measures.
Mode of operation.
Start the engine.
Engage first gear, start the vehicle.
Engage the gears up to third gear.
Decelerate to an engine speed of 1000 rpm.
Check the pressure: 0,6 ± 0,05 bar
(1500 rpm).
Accelerate freely (change from fourth gear to third gear).Check the pressure: 0,9 ± 0,05 bar (between 2500and 3500rpm).
Engines: 9HX - 9HY - 9HZ
C4
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INJECTION
CHECKS: TURBO PRESSURE
IMPERATIVE: Respect the safety and cleanliness requirements.
Preparation.
IMPERATIVE: Respect the following test conditions:
- Engine at operating temperature.
- Vehicle in running order.
- Engine under full load.
Connect the diagnostic tool to the vehicle's diagnostic socket, carry out parameter measures.
Mode of operation.
Start the engine.
Engage first gear, start the vehicle.
Engage the gears up to third gear.
Decelerate to an engine speed of 1000 rpm.
Check the pressure: 0,6 ± 0,05 bar
(1500 rpm).
Accelerate freely (change from fourth gear to third gear).Check the pressure: 0,9 ± 0,05 bar (between 2500and 3500rpm).
Engines: 9HZ - 9HY
XSARA PICASSO
Angl.-t2-page283-305-2005 9/01/06 10:18 Page 292

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INJECTION
CHECKS: TURBO PRESSURE
Tools.
[1] Pressure gauge for checking the turbo pressure: 4073-T Toolkit 4073-T
[2]Pressure take-off extension: 8607-T.A
[3]Pressure take-off union and hose: 8607-T.B
[4] Sleeve for checking the turbo pressure: 4185-T
[5]Adaptor sleeve: 4219-T
IMPERATIVE: Respect the safety and cleanliness specific to high pressure diesel injection
engines.
Preliminary operation.
Slacken the clip (1).
Uncouple the air duct (2).
Connect the tool [1]on tool [2]and the tool [3]on tool [2].
Positioning on the vehicle.
Insert the tools [4]and [5]between the air duct (2)and the turbo air cooler outlet at «a».
Connect the tool [3]on tool [4].
Position the tool [1]inside the vehicle.
Start the engine.
Accelerate to 4000 rpm.
The value should be: 1 ± 0,2.
Return the vehicle to conformity.
Remove tools [1], [2], [3], [4]and [5].
Recouple the air duct (2)on the turbo air cooler.
Tighten the clip (1).
B1BP356C
B1HP1ZXC
Engine: RHR
C4
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INJECTION
CHECKS: TURBO PRESSURE
Tools.
[1]Pressure gauge for checking boost pressure: 4073-T.A Kit 4073-T
[2]Sleeve for checking boost pressure: 4185-T
Checks.
IMPERATIVE: respect the following checking requirements: Engine at running temperature.
Vehicle running at full load.
Preparation.
Remove the collar (3)and the sleeve.
Insert the tool [2]between the pipe (1)and the duct (2).
Position tool [1]in the vehicle.
Connect the pressure gauge [1]to the tool [2] with its tube «a»long enough for the gauge to be
positioned inside the vehicle.
Procedure.
Start the engine.
Engage first gearand start the engine.
Engage the gears up to third gear.
Decelerate to 2000 rpm.
Gradually accelerate.
Check the pressure: 0.95 ± 0.05 bar.
Remove the tools, refit the collars (3) and the sleeve.
B1BP1ZXD
Engine: RHY
XSARA PICASSO
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INJECTION
CHECKS: TURBO PRESSURE
Tools.
[1]Pressure gauge for checking boost pressure: 4073-T.A Kit 4073-T
[2] Sleeve for checking boost pressure: 4185-T
[3]Adaptor sleeve: 4229-T
Checks.
IMPERATIVE: respect the following checking requirements: Engine at running temperature.
Vehicle in running order at full load.
Preparation.
Remove the collar fixing (3).
Insert the tool [2]connected with tool [3], between the pipe (1)and the duct (2).
Position tool [1]in the vehicle.
Connect the sleeve [2]to the tool [1]with its tube «a».
Procedure.
Start the engine.
Engage first gear and start the engine.
Engage the gears up to third gear.
Decelerate to 1000 rpm.
Accelerate hard, and check the pressure: 0.6 ± 0.05 bar
(1500 rpm).
Accelerate freely in kick-down (changing from fourthto third gear).
Check the pressure: 0.95 ± 0.05 bar (between 2500and 3500rpm).
Remove the tools, reposition the pipe (1)and refit the collar (3).
B1HP12JD
Engine: RHZ
XSARA PICASSO
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INJECTION
CHECKING THE AIR SUPPLY CIRCUIT
Tool.
[1]Manual pressure-vacuum pump: FACOM DA 16
Vacuum pump:
- Connect the tool [1]onto the vacuum pump (1).
- Start the engine.
- Wait 30 seconds.
The vacuum value should be 0.9 ± 0.1 barat idle.
B1HP1K8D
Engines: 8HX - 8HZ
XSARA
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Downloaded from www.Manualslib.com manuals search engine 297
INJECTION
CHECKING THE AIR SUPPLY CIRCUIT
Tool.
[1]Manual pressure-vacuum pump: FACOM DA 16
Checks.
Vacuum pump.
Connect the tool [1]into the vacuum pump (1).
Start the engine.
The vacuum value should be 0.9 ± 0.1 barat idle
(after 30 secondsof operation).
NOTE:The exhaust gas recycling valve is not linked to the air supply circuit.
The exhaust gas recycling electrovalve is controlled by the engine ECU.
Turbocharging pressure regulation valve.
Connect the tool [1]on the valve (2).
Apply a vacuum of approx. 0.8 bar.
Rod "a"should move 6 ± 2 mm.B1HP1UGC
B1HP22RC
Engine: 9HX
C4
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