205
INJECTION
CHECKS: EXHAUST GASES RECYCLING CIRCUIT
Engine: 4HX
EGR valve.
Connect tool [1] on the take-off (a) of the EGR valve capsule (2).
Apply a vacuum of approx. 0.6 bar to activate the EGR valve.
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 (1).
Disconnect the tube (white marking) on the electrovalve (4) (black connector).
Connect tool [1] on the tube with the white marking.
Apply a vacuum of approx. 0.8 bar, the flap (b) of the butterfly housing (1) should be closed.
B1BP29NC B1BP29PC
C5
Angl.T3-page191-206-2005 4/02/05 15:05 Page 205
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