CITROEN 2005 C4-XSARA-XSARA PICASSO BERLINGO Owner's Manual page 304

C4
CHECKING THE AIR SUPPLY CIRCUIT
Engines: 9HY - 9HZ
Tool.
[1] Manual pressure-vacuum pump : FACOM DA 16
Checks.
Vacuum pump.
Connect the tool [1] into the vacuum pump (1).
Start the engine.
B1HP1UGC
Wait 30 seconds.
The vacuum value should be 0.9 ± 0.1 bar at idle.
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) (tube identified by the colour grey) .
Apply a vacuum of approx. 0.8 bar.
Rod "a" should move 12 ± 2 mm.
B1HP1UHC
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