CITROEN C5 Handbook page 116

CHECKS : EXHAUST GAS RECYCLING CIRCUIT C5 - All Types
Engines : RHY - RHS - RHZ
EGR valve
- Connect tool [1] on the EGR valve capsule take-off (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 (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.
B1HP1BWC B1BP2ADC
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