1, loosen the clamp, screw out the crankcase ventilation pipe support bolt, take off the crankcase ventilation pipe.
2, loosen the clamp, remove the PCV valve vent pipe 1 and the intake manifold upper assembly connection.
3, screw out the intake manifold support plate fixing bolt.
4, loosen the clamp, remove the carbon tank control valve outlet hose and intake manifold upper assembly connection.
5, screw out the carbon tank control valve support bolt, remove the carbon tank control valve support and carbon tank outlet hose, screw out the intake manifold upper assembly fixing bolt, take out the intake manifold upper part, the above is to replace the intake manifold operation, the time takes 2 hours.
The structure of the crankcase ventilation valve, this valve has an intake air, one is the crankcase ventilation pipe, one is the carbon tank ventilation pipe, I would like to ask whether the two pipes will work at the same time, or according to the negative pressure pressure value first work one, and then work the other