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 removing the radiator
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Ron B

Australia
11579 Posts

Posted - 05/05/2011 :  19:06:21  Show Profile  Visit Ron B's Homepage  Reply with Quote
A lot of the initial problem was caused by owners in the past simply using water in the cooling system rather than any sort of anti corrosion measures. .
Ant,did you have a poke around the block to make sure any debris was cleared out? I am surprised at the amount of stuff inside 40 year old engine blocks when they are opened up.

quote:
12-14-2004, 11:49 PM #8
Tom Hanson
MBCA Member

What the heck, try to stuff a MB 6.9 liter V8 in it. What a machine that would be..
__________________
Tom Hanson
Orange County Section
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6.3Nut

USA
191 Posts

Posted - 10/08/2017 :  02:20:17  Show Profile  Reply with Quote
quote:
Originally posted by Chris Johnson

This is the time to replace the water hoses connecting the water pipes between the heads and the big pipe and the back of the thermostat housing. It would also be good to remove the water pump from its manifold to inspect the manifold for corrosion. I'll see if I can get a good picture of the typical corrosion in the manifold.

If you are feeling really adventurous, this would also be the time to replace the front crankshaft seal.

You will have to remove at least one of the big pipes at the cylinder heads in order to get the hose between them out. Note that it is very common for these hex. socket screws to be very tight in the heads, so clean out the sockets completely so that the hex. bit will fit all the way down into the recesses so as to not strip them. The large water pipes between the heads are frequently in poor condition because of corrosion, so it is best to remove both of them so that you can inspect them.

Chris Johnson
If you aren't constantly impressed with your car, then it needs fixing.
100.012-12-000790
100.012-12-000867
www.300SE.org



What is the tightening torque for the bolts for the big pipe?

There cars and then there are BABIES!
1969 Euro Model
10901812000931
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6.3Nut

USA
191 Posts

Posted - 01/11/2018 :  22:11:59  Show Profile  Reply with Quote





What is the history with the gold color on the pipes, the ones from factory are not that color as is evident from picture attached.


There cars and then there are BABIES!
1969 Euro Model
10901812000931
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AgSilver

USA
235 Posts

Posted - 01/12/2018 :  11:53:11  Show Profile  Visit AgSilver's Homepage  Reply with Quote
Commonly referred to chromate conversion coating. Same inexpensive process used by MB and others to improve corrosion resistance. Most local plating firms offer this process. Results in a shinny yellow/green/gold appearance which dulls somewhat over time.

Palm Beach Gardens, FL
Niederheimbach, Germany
300SEL 6.3
E55K AMG
CLK63 AMG Gone
Ferrari 400GTC4 Gone
ML400CDI BiTurbo
ML350 CDI BT
9146GT
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6.3Nut

USA
191 Posts

Posted - 01/18/2018 :  22:17:51  Show Profile  Reply with Quote
quote:
Originally posted by Art Love

Something crazy has been done to those prices. They were not even a quarter of that price 3 years ago as best I recall. The picture I posted lacks detail at less than 80Kb, so I have been fiddling to get a cropped view. Here it is.




Art


Hey Art, what is that line, clamped to the fuel line coming from the sender? I do not have this in my car and have not noticed it in the few pictures I have seen.

Also the hose on the left side intake manifold does not have clamps, is it suppose to be that way? The reason being I see them in my car and if they are not required then I will take them off.

There cars and then there are BABIES!
1969 Euro Model
10901812000931

Edited by - 6.3Nut on 01/18/2018 22:22:28
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Art Love

Australia
6181 Posts

Posted - 01/18/2018 :  23:40:40  Show Profile  Reply with Quote
That is the high pressure oil line from the oil filter housing to the MFI. It should be there. The hose clamps on the large diameter air hose should also be there. That photo was taken during rebuilding of that motor and the clamps were still to be applied.
Art
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6.3Nut

USA
191 Posts

Posted - 01/19/2018 :  12:38:26  Show Profile  Reply with Quote
quote:
Originally posted by Art Love

That is the high pressure oil line from the oil filter housing to the MFI. It should be there. The hose clamps on the large diameter air hose should also be there. That photo was taken during rebuilding of that motor and the clamps were still to be applied.
Art


Thanks Art, I will check for the High Pressure line, since it is not taking the route as shown in your picture, it must be coming from the back.

There cars and then there are BABIES!
1969 Euro Model
10901812000931
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paul-NL

Netherlands
4214 Posts

Posted - 01/19/2018 :  12:54:21  Show Profile  Reply with Quote
"That is the high pressure oil line from the oil filter housing to the MFI. It should be there"

Be aware the M100 FIP has NO oilline .... It has an oilfillcap and a dipstick to checking the level ....
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6.3Nut

USA
191 Posts

Posted - 01/19/2018 :  14:08:45  Show Profile  Reply with Quote
quote:
Originally posted by paul-NL

"That is the high pressure oil line from the oil filter housing to the MFI. It should be there"

Be aware the M100 FIP has NO oilline .... It has an oilfillcap and a dipstick to checking the level ....




That is what I thought. So what is this high pressure line for or is this a modification?

There cars and then there are BABIES!
1969 Euro Model
10901812000931
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Art Love

Australia
6181 Posts

Posted - 01/19/2018 :  19:11:27  Show Profile  Reply with Quote
I am loath to and very rarely disagree with my friend Paul, but on this occasion, he is incorrect. In the 600, this line is a "branch" from the high pressure oil line to the hydraulic fan clutch and in my #178, it feeds from the inflow line to the fan control thermostat valve to the right side of the body of the MFI where it is attached via a banjo fitting. In both my 6.3's, #765 and #1702, it feeds from the oil filter housing to the right side of the MFI where again it is attached via a banjo fitting. In both 6.3's, it hitches a ride on the fuel line to which it is attached by several of the clamps shown in the photo.

It is a narrow calibre line as shown and has nothing to do with lubrication of the MFI. My understanding is that it pressurizes the injector units against fuel pressure.

Its part number in 600's up to Motor 990 is 100 180 10 27 and from #991 is 100 180 12 27. In the 6.3 its part number is 100 180 13 27, the 180 indicating that it is an oil line and its description being Druckolleitung zur Einspritzpumpe or Oil delivery line to injection pump.

It should be there.
Art
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Art Love

Australia
6181 Posts

Posted - 01/19/2018 :  20:08:11  Show Profile  Reply with Quote
Here are some photos.




shows the small calibre high pressure oil line coming forward from the oil filter housing to join the fuel line on #765.




shows the same line where it is attached by a bracket to the first injector line on the MFI on #765. The photo you have already copied shows it at the front of the motor.




Here is the line attached to the right side of the MFI on #765 via a banjo fitting. Whoops, wrong photo - this is the banjo fitting on the 600. I'll add the photo of the fitting on #765 at the bottom.

Now for Paul, here is the set up on 600 #178. It should be the same on his 600, but his will have the supplementary oil filter in the high pressure oil line to the fan clutch thermostat shut off valve, so the piping from the oil filter to the valve may be slightly different.




This shows the T junction for the small calibre high pressure oil line to the MFI from the high pressure oil line to the fan clutch valve which is to the right.




This shows the line in the 600 with the T junction to the right and the banjo fitting on the MFI on the left. The 600 banjo fitting on the right side of the MFI is shown above - see my correction. Here is the fitting on 6.3 #765.




Art
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paul-NL

Netherlands
4214 Posts

Posted - 01/19/2018 :  22:07:07  Show Profile  Reply with Quote
Art,

there is no OIL-line connected to the FIP for the 6.3 ltr motor, but only a fuelinlet and fuelreturnline



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6.3Nut

USA
191 Posts

Posted - 01/19/2018 :  23:08:02  Show Profile  Reply with Quote
quote:
Originally posted by paul-NL

Art,

there is no OIL-line connected to the FIP for the 6.3 ltr motor, but only a fuelinlet and fuelreturnline







If my memory serves me right, as per Hanns the gentleman who build these pumps on Long Island ,NY, some people have modified pumps installed in their cars. He did not like it since it causes fuel to enter motor oil if the pump starts leaking. Any who, Art the pump on my 6.3 is exactly as per the image posted by Paul.

There cars and then there are BABIES!
1969 Euro Model
10901812000931
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abl567

Australia
922 Posts

Posted - 01/19/2018 :  23:42:18  Show Profile  Visit abl567's Homepage  Reply with Quote
That is a 6 cyl pump, the oil feed is on the other side opposite the bosch tag on a 6.3 8 cyl pump. I've removed and refitted it more times that I care to remember.
Pics to follow.


300SEL
6.3 #2723, my first classic Benz
3.5 #8659, my second.
2 to go...
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abl567

Australia
922 Posts

Posted - 01/19/2018 :  23:52:01  Show Profile  Visit abl567's Homepage  Reply with Quote
Inlet and banjo fitting









300SEL
6.3 #2723, my first classic Benz
3.5 #8659, my second.
2 to go...

Edited by - abl567 on 01/19/2018 23:55:32
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