Inlet port shutoff motor m55

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RETIRED

New Member
Joined
Jul 25, 2022
Messages
7
Location
DENHAM
Car
C270CDI
Hi, I am in the process of bypassing the inlet port shutoff motor M55 on my 2004 c270 cdi. Once I have put the 4.7 ohm resistor in,
what position should I leave the arm on the motor. Should the ports be open or closed or doesn't it matter. Any assistance
much appreciated
 
The swirl flap motor on my om642 is a spring return I think. It only powers to the closed position. The spring holds the arm in the open position without any power applied. You need a 4.7kohm resistor.
 
Thanks gents, Resistor fitted and as stated the spring hold the arm in the open position
 

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