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Whooooaa!!! Holy crap! That's pretty crazy. Obviously it was keeping the throttle open slightly and getting in the way of it opening and closing. Glad it runs better now and problem solved!
I'm opening up my intake manifold today for a little cleaning and the installation of phenolic spacers. Will report back if I find anything.
You would know if there was a problem lol! It happened after a hard pull. Went into limp mode and threw a p0638 code for the throttle actuator. No matter what i did it would not drive. If I were you, I would check any loose parts that could potentially get sucked in!
Wow, glad that did not make it past the throttle body into the intake runners. I know all engines are different. Does you car have a MAF sensor? If so where the hell was the screen at the sensor?
2012 C63;1971 280SE 3.5(Sold);2023 EQS 450 SUV 4 Matic (Wife's)
The carbon filters do have a plastic piece that looks like that on either end. Must have broken off when they were removed. If you have removed the carbon filters from the lattice work that holds them in the box top you would understand how it could happen.
The MAF sensor is inserted in the airway so that air flows over and under it. Entirely possible for that piece of plastic to be sucked into the intake past the MAF sensor.
Bringing up a slightly old thread. When you took the intake mani apart, other than the gasket that goes from the heads to the intake mani, was there any other gasket? I can't seem to find anything. I thought I remembered seeing at least one. If so, does anyone have a part number or a link? Thanks.
I believe the only gasket was the one for the heads to the manifold. Alsogonna want to replace the aluminum bolts that hold the intake manifold to the heads. If you are going to take the intake manifold apart, there a couple more of those bolts.
Originally Posted by chrisridebike8
Bringing up a slightly old thread. When you took the intake mani apart, other than the gasket that goes from the heads to the intake mani, was there any other gasket? I can't seem to find anything. I thought I remembered seeing at least one. If so, does anyone have a part number or a link? Thanks.
I believe the only gasket was the one for the heads to the manifold. Alsogonna want to replace the aluminum bolts that hold the intake manifold to the heads. If you are going to take the intake manifold apart, there a couple more of those bolts.
Thanks man. And just to clarify, the intake mani is kind of like a clam shell. It's held together with the same type of bolts as the TTY ones for mounting the intake mani to the heads? Or are they a different part number. I've have the manifold off for gasket replacement once before but I didn't take it apart and clean inside.
Im 99% sure they're the same ones. Its been too long lol
Originally Posted by chrisridebike8
Thanks man. And just to clarify, the intake mani is kind of like a clam shell. It's held together with the same type of bolts as the TTY ones for mounting the intake mani to the heads? Or are they a different part number. I've have the manifold off for gasket replacement once before but I didn't take it apart and clean inside.
Bringing up a slightly old thread. When you took the intake mani apart, other than the gasket that goes from the heads to the intake mani, was there any other gasket? I can't seem to find anything. I thought I remembered seeing at least one. If so, does anyone have a part number or a link? Thanks.
It's got an internal rubber gasket thing that doesn't get replaced, so you don't have to worry about that one.
Originally Posted by chrisridebike8
Thanks man. And just to clarify, the intake mani is kind of like a clam shell. It's held together with the same type of bolts as the TTY ones for mounting the intake mani to the heads? Or are they a different part number. I've have the manifold off for gasket replacement once before but I didn't take it apart and clean inside.
Be very careful with those little bolts - their torque spec is just 7NM. If you go too hard, you'll cross-thread the manifold and due to the material of the clam, you'll be in a whole world of pain because adding a Timesert isn't possible (apparently, according to my local machine shop)
Part number for the little bolts is: MA009 990 30 04 - very expensive for what they are. Probably around $6USD each and there's 13 of em.
W213 E63S Wagon, W204 C63 P30(RIP), WK1 Grand Cherokee SRT8(RIP)
When I pulled my manifold to clean it last year I could NOT for the life of me get it to come apart(clamshell)....came off engine no problem, bolts for clamshell design came out no problem, but would not budge as far as separation goes
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