125
INJECTION
CHECKS : EXHAUST GASES RECYCLING CIRCUIT
Engines : 8HX-8HW
Engines : 8HV-8HY
Tools
[1] Manual pressure-vacuum pump : FACOM DA 16.
IMPERATIVE : Respect the safety and cleanliness specific to high pressure diesel
injection (HDi) engines.
EGR valve
Connect tool [1] on the capsule take-off (2).
Apply a vacuum of approx. 0,6 bar several times to activate the rod «a».
In abruptly suppressing the vacuum, the valve should click and lock itself back on its seating.
Regulation electrovalve (EGR).
(Engine 8HX-8HW).
Check to be performed between the electrovalve (1) and the EGR valve (2).
Link the tool [1] in series, between the electrovalve (1) and the capsule (2).
Compare the values noted with those in the table below.
Regulation electrovalve (EGR).
(Engine 8HV-8HY).
Check to be performed between the electrovalve (2) and the EGR valve (1).
Link the tool [1] in series, between the electrovalve (2) and the capsule (1).
Compare the values noted with those in the table below.
Engine speed (rpm) Vacuum value
780 0.5
2500 0
B1HP15GD
B1HP1K6D
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