When to disable the inlet port shut off motor?
Discussion in ‘ Engine, Drivetrain, Fuel and Exhaust ‘ started by Alex Crow, Feb 22, 2012 . A popular mod now, is to disable the inlet port shut off flaps, particularly on 270 CDI (612) engines. This is usually done because of damage to the flaps from wear and tear, accelerated by EGR gasses.
What causes the CDI inlet port to shut off?
Might do the job myself The motor (M55) can be bought seperately, however often the cause of the problem is usually the fact that the linkages have seized in the inlet manifolds and therefore burning the motor out.
Why is my intake port shut off motor not working?
My independant mechanic is in the process of replacing the intake port shut off motor (M55) and he tells me it failed as a result of a seal leak on the air filter blow by. The oil was dripping onto the intake motor, which was soaked.
Why is my intake port shut off on my 07 Blutec?
Last week my 07 Blutec (90,000 km/55,000 miles) went into limp mode. It only allowed limited throttle and the CEL came on. A scan of the codes indicates the M55 intake port shutoff motor is malfunctioning.
Why is my Mercedes-Benz intake port shutoff motor gone?
Damn right I expect Mercedes to take responsibility. The same for the heating element that fails in the adblue system. There is another component to the motor failure, it is that I am told that the intake is very dirty caused by PCV and EGR being mixed. This also is the root cause and is caused by bad design.
Might do the job myself The motor (M55) can be bought seperately, however often the cause of the problem is usually the fact that the linkages have seized in the inlet manifolds and therefore burning the motor out.
How to replace the shut off motor on a Mercedes?
1 screw, 1 bolt, image (h). At the bracket to the front of the turbo remove the bolt into the turbo, the bolt down into the shut off motor, and the 2 bolts into the head. Remove bracket, 4 bolts total, image (j). 2 bolts, image (b). The turbo should allow enough play to remove the intercooler pipe.
Is the M55 intake port shutoff motor malfunctioning?
A scan of the codes indicates the M55 intake port shutoff motor is malfunctioning. I searched the site and can only see a similar problem in an 05 CDI, so the engine is different than mine. Can anyone tell me if replacing this is a big job? I guess it’s not a common problem as I can only find one reference to it here.