S600 - DAS Help, Constant Misfire on Cylinder 6 - Page 3 - Mercedes-Benz Forum
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#21 (permalink) Old 02-17-2013, 06:13 PM
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Originally Posted by rxr View Post
thanks Eric., assuming both are breather pipes then.
On the air cooler - does that pipe connect to anything



That is pneumatic pipe 4b and fits below the throttle body, I do not have a good pic of the connection but it must be fitted and tight.
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ERIC.

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#22 (permalink) Old 02-17-2013, 06:49 PM
rxr
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Thanks Howard, as i mentioned TEMIC Packs are here and Left bank is already in. I started working on the Right and then saw the 02 breather parts broken.
I will finish right bank soon. Waiting on the transformer as well, AMEX has not called me yet

So here i am working it , not frustrated yet !

i am looking at the turbo inter coolers and thinking, they can finish that box better
little more grinding a little buff, they are 02 raw casted aluminium boxes staring at me !
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#23 (permalink) Old 02-17-2013, 06:54 PM
rxr
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Quote:
Originally Posted by eric242340 View Post
[/COLOR]

That is pneumatic pipe 4b and fits below the throttle body, I do not have a good pic of the connection but it must be fitted and tight.
Thanks Eric - i just looked and can't find a place to put it, i will search it down..
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#24 (permalink) Old 02-17-2013, 07:39 PM
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Originally Posted by rxr View Post
Thanks Eric - i just looked and can't find a place to put it, i will search it down..
I broke mine when I did my pack. I believe MarkTan did the same too.
The small pipe is to turbo air pressure sensor. The sensor is shown in the center of your picture, post#14, two screws hold it in a bracket. It's also shown in left bottom of Eric's picture, post#21.
Unscrew and check the bottom of the pressure sensor you will see where it broke from. And I believe in the pipe from the cooler you will see the other piece which belong to the sensor.
You could buy a new one from the dealer. I was lazy and JbWelded it as there won't be much force or pressure for this part. Works perfectly since then.

Once again, check my maintenance thread, you may go through similar stuff.

Good luck.

Howard

2003 S600 Silver/Black Sports

Purchase adventure:
http://mbworld.org/forums/s-class-w2...2003-s600.html

Maintenance and repair details:
http://mbworld.org/forums/s-class-w2...2003-s600.html

Last edited by haoz129; 02-17-2013 at 07:58 PM.
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#25 (permalink) Old 02-17-2013, 07:55 PM
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thanks Howard , spot on, i can see it clearly, its not really broken though, it needs a clip to attach to the sensor, wow that was really hidden

i was thinking to take off the y connector to the coolers, the intake manifold to see where was this hidden , saved me quite a bit of time.

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Last edited by rxr; 02-18-2013 at 07:53 AM.
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#26 (permalink) Old 02-19-2013, 09:38 AM
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Quote:
Originally Posted by rxr View Post
thanks Eric., assuming both are breather pipes then.
On the air cooler - does that pipe connect to anything
That hose connects to what should be a nipple on the pressure sensor (the black thing with the round silver label above the Y in your photo). It gets brittle and snaps off when you move the air cooler (ask me how I know). $35 from the dealer. It will affect your car and it's performance as it helps the ECU determine the air pressure coming from the intake and tweaks the turbo pressure and fuel mix.

Also remove the voltage regulator from the top of the engine and you will find two sensors on the V of the engine (one towards the back the other towards the front. One is temp and the other is pressure. They can get fouled (especially if you're leaking oil) and throw combustion off as well.
My S600 was suffering misfires and after replacing the coils, these sensors turned out to be a contributing factor.

Good luck.

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2007 GL450 4-Matic
2004 E500 4-Matic
2002 C32 AMG
2001 Trans Am WS-6
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#27 (permalink) Old 02-19-2013, 11:23 AM
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wow, its does not stop eh !, more and more sensors... thanks Marktan.
i am still waiting on parts to arrive, breather hose - sells as a assembly. The other part which i have listed as a valve - 5 to 7 days lead time - coming from Germany all the way. ( Dealer and Parts.com)

will keep you posted, cheers.
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#28 (permalink) Old 02-20-2013, 05:26 PM
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Parts are here, got the Transformer in, the broken valve replaced - it was connected all the way to the intake. , brittle and fell apart into pieces pulling it.
I will update the pictures later.

Now i have an issue, with the Driver Side Coil - there's hardly room for this to come out.. Coil off's the plugs, please see pictures and add any suggestions.

Picutre1 : the tail end ( without the connector ) of the coil - won't come out easily, before i take off more things apart, i am thinking your help. , as you see by the firewall, there are 02 pipes.. and a connector -that needs to come off for sure.. is at least my thought.

Picture2 ; you see the blue wire - that's tangled over the coil - and
not sure if i need to untie that - or can remove the coil without it.



Fyi - Transformer on the Car was Temic 000 150 01 58 Q1, 02W41,
Assuming 02W41 ( means 2002 and some version )
The newer part - same Part#, 12W47 ( assuming this is 2012 W43 )

For someone reading this for the first time, when changing coil packs - its recommended to change
1. Both Coils at the same time.
2. Change the Transformer - when you change coil packs, as an
old transformer and new coil packs, will mostly fail the new coil packs.

i will summarize more things, when i get done..
8 days.. and counting.. !
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Last edited by rxr; 02-20-2013 at 05:31 PM.
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#29 (permalink) Old 02-20-2013, 05:39 PM
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where's cyl # 6?

Great pictures to look at!
Could some body clarify where bank 1 - 6 and 7 - 12 is????

In some articles I read the LEFT bank (looking forward from the driver's position) is 7 - 12.

It used to be marked on the intake manifold on old V8s, but so far I can't find anything on this V12.

So if you are trying to fix a #6 cyl misfire, are you pulling the correct coil pack?

thnx
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#30 (permalink) Old 02-20-2013, 05:49 PM
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Quote:
Originally Posted by Kraut56 View Post
Great pictures to look at!
Could some body clarify where bank 1 - 6 and 7 - 12 is????

In some articles I read the LEFT bank (looking forward from the driver's position) is 7 - 12.

It used to be marked on the intake manifold on old V8s, but so far I can't find anything on this V12.

So if you are trying to fix a #6 cyl misfire, are you pulling the correct coil pack?

thnx
Looking from the drivers seat, to your right is right bank 1 - 6 and to your left is left bank 7 - 12.

ERIC.

___________________________________________
"I am enclosing two tickets to the first night of my new play; bring a friend, if you have one."
- George Bernard Shaw to Winston Churchill.

"Cannot possibly attend first night, will attend second ... if there is one."
- Winston Churchill, in response.
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