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  #1  
Old 09-01-2013, 10:31 AM
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Mercedes e300 diesel: differences 606.910 and 606.912

Hello,
I have au 94's E300 diesel, SW. The engine is broken. I have bought a 98's one, reference 606912. This is not the same IP, position of revolutions sensor.
Do you see other differences?
Thank you....

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  #2  
Old 09-01-2013, 11:15 AM
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The earlier IP is mechanical; the later IP is electronic ("fly by wire"). You can move the mechanical IP from your broken engine to the new one.

The oil-to-coolant heat exchanger is different and in a different place; it will have to be moved. This involves the oil filter canister (also different) and the oil pan, which will also have to be changed.

Jeremy
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"Buster" in the '95

Our all-biodiesel family
1995 E300D (W124) . .239,000 miles My car
1996 E300D (W210) . .313,000 miles Wife's car
Santa Rosa population 170,685 (2012)
Total. . . . . . . . . . . . 722,685
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970
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  #3  
Old 09-01-2013, 11:55 AM
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Engine vacuum pump is different. I don't know if the fittings for the brake booster line are the same.

Sixto
87 300D
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  #4  
Old 09-01-2013, 11:56 AM
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In the US, the 606.912 ended with model year 97. Starting in model year 98 all 606's were turbo'd and were 606.962's.
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  #5  
Old 09-01-2013, 04:41 PM
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Thank you! Do you you Know if it is difficult to change the IP? How can I block the electronic IP?
What is oil pan?
Is 98s engine more reliable than 93's one?
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  #6  
Old 09-01-2013, 09:19 PM
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Quote:
Originally Posted by hioub View Post
Thank you! Do you you Know if it is difficult to change the IP? How can I block the electronic IP?
What is oil pan?
Is 98s engine more reliable than 93's one?
Changing the IP should not be difficult but you must lock the timing (special tool) before you swap the IPs. The engine made for the electronic IP can use the mechanical IP and vice-versa. It is the connections to the electronics and mechanical systems that are important -- they must match the car. You must keep the mechanical IP that came with your car and move it to the later engine. The later engine won't care whether it has a mechanical IP or an electronic one as long as as gets fuel at the right time and in the right amount.

The oil pan is at the bottom of the engine, It covers the crankshaft; the engine oil is pumped from there up through the oil filter and then to the moving parts, then drips back down to the oil pan.

Reliability of both engines should be very similar. Both 606.910 and 606.912 engines should be normally aspirated -- please confirm.

Jeremy
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"Buster" in the '95

Our all-biodiesel family
1995 E300D (W124) . .239,000 miles My car
1996 E300D (W210) . .313,000 miles Wife's car
Santa Rosa population 170,685 (2012)
Total. . . . . . . . . . . . 722,685
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970
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  #7  
Old 09-01-2013, 09:23 PM
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Vacuum pumps

Quote:
Originally Posted by sixto View Post
Engine vacuum pump is different. I don't know if the fittings for the brake booster line are the same.

Sixto
87 300D
Sixto, you're probably thinking of the 910.962 turbodiesel engine. The 606.910 and 606.912 have identical vacuum pumps -- I have one of each and just looked at them.

The OP's probably in a part of the world where the NA 606 was available earlier and later than here in USA.

Jeremy
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"Buster" in the '95

Our all-biodiesel family
1995 E300D (W124) . .239,000 miles My car
1996 E300D (W210) . .313,000 miles Wife's car
Santa Rosa population 170,685 (2012)
Total. . . . . . . . . . . . 722,685
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970
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  #8  
Old 09-01-2013, 10:45 PM
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IIRC the '97 606.912 is a split year - early have reciprocating pump, late have vane pump. By extension, a '98 .912 should have a vane pump. You're right, though, that this is a US spec generalization.

Sixto
87 300D
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  #9  
Old 09-02-2013, 12:00 AM
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If it has a vane pump then the front cover is also different but it shouldn't matter to the car unless the connections are in completely different places. As long as it produced vacuum . . .
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"Buster" in the '95

Our all-biodiesel family
1995 E300D (W124) . .239,000 miles My car
1996 E300D (W210) . .313,000 miles Wife's car
Santa Rosa population 170,685 (2012)
Total. . . . . . . . . . . . 722,685
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970
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  #10  
Old 09-02-2013, 02:29 AM
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Thank you!!
How can I close the holes of the engine after changing place of oil-exchange heater?
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  #11  
Old 09-02-2013, 03:59 AM
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Hi
For removal of IP, must i use locking tool, or do as written in booklet:" the crankshaft has to be locked against rotation." I hve try the last, but the timing chain starts to jump pulley tooths....
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  #12  
Old 09-02-2013, 11:20 AM
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Heat exchanger is OK

Quote:
Originally Posted by hioub View Post
Thank you!!
How can I close the holes of the engine after changing place of oil-exchange heater?
You may not have to do that. It may be possible for the 1998 engine to fit in your car, in place of the 1994 engine, without changing the oil-to-coolant heat exchanger. I have both 606.910 and 606.912 engines in my two cars -- it looks to me that the .912 engine will replace the .910 engine without changing the oil-exchange heater. That would be much less work for you.

As to the position of the revolutions sensor, it may be possible to leave the sensor unchanged and just extend the wires as necessary to connect the 1998 engine to the 1994 car.

Is the 1994 car a W124 model?

Jeremy
__________________

"Buster" in the '95

Our all-biodiesel family
1995 E300D (W124) . .239,000 miles My car
1996 E300D (W210) . .313,000 miles Wife's car
Santa Rosa population 170,685 (2012)
Total. . . . . . . . . . . . 722,685
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970
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  #13  
Old 09-02-2013, 12:07 PM
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I wonder if the .912 has provision for the .910 rev sensor.

Sixto
87 300D
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  #14  
Old 09-02-2013, 01:50 PM
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Unfortunately, there is only the location of the sensor, but not the HOLE!!
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  #15  
Old 09-02-2013, 02:09 PM
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The 606.910 is pretty stout. How is it broken beyond repair?

Sixto
87 300D

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