Resonance Flap (Gasoline Engine) - SSANGYONG Y200 Manual

SSANGYONG Y200
ENGINE INTAKE & EXHAUST 1G-5
RESONANCE FLAP
(GASOLINE ENGINE)
Function
A pneumatically actuated resonance flap (5) is located
on the intake manifold, and will be opened and closed
by load, which operates resonance flap according to
engine and controlled by ECU and rpm.
YAD1G070
Resonance flap closed (at idle/partial load : less
than 3,800/rpm)
The switch valve (7) will be adjusted by ECU and
resonance falp will be colosed. By increasing air flow
passage through dividing intaking air flow toward both
air collection housing (8). This leads to a signficant
increase in the torque in the lower speed range.
YAD1G080
Resonance flap open (at full load : over 3,800/rpm)
The switch valve (7) will not be adjusted by ECU and
resonance falp (5) will be open. The collected air in
the air collection housing (8) will not be divided and
intaking air passage will be shorten.
YAD1G090