STD Maintenance General Front seal change?

Front seal change?

Front seal change?

 
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Jtn190D
MERCEDES DIESEL POWER!

192
10-16-2010, 07:13 PM #1
Hey all,

I believe the front seal on the engine is bad in the 190D. It just started leaking oil by the harmonic balancer. What does it involve to change? if its bad or what else could be the problem? Has any one done this job?




Thanks for your input guys!
Jtn190D
10-16-2010, 07:13 PM #1

Hey all,

I believe the front seal on the engine is bad in the 190D. It just started leaking oil by the harmonic balancer. What does it involve to change? if its bad or what else could be the problem? Has any one done this job?




Thanks for your input guys!

Jtn190D
MERCEDES DIESEL POWER!

192
10-17-2010, 11:17 AM #2
Any one?
Jtn190D
10-17-2010, 11:17 AM #2

Any one?

willbhere4u
Six in a row make her go!

2,507
10-17-2010, 11:36 AM #3
I don't know on the om60? engine's

I think on the OM616/7 engines you have to loosen the crankshaft and drop it down far enough to put a new seal in?? but maybe I'm thinking of the rear seal???

1987 300SDL 6spd manual om606.962 swap project
1985 300td euro 5spd wagon running
willbhere4u
10-17-2010, 11:36 AM #3

I don't know on the om60? engine's

I think on the OM616/7 engines you have to loosen the crankshaft and drop it down far enough to put a new seal in?? but maybe I'm thinking of the rear seal???


1987 300SDL 6spd manual om606.962 swap project
1985 300td euro 5spd wagon running

muuris
OM605

318
10-17-2010, 12:39 PM #4
It can be

a) crankshaft front seal. Need to take the aux belt and balancer off. The seal actually sits on the balancer, not on the crank.

b) timing cover gasket behind the alternator.

I suspected my crank seal leaked and changed it, but leak didn't stop. I removed the alternator and its stand from the block, only then the leak became visible.

Either way, the hardest part it removing the balancer. Not sure about OM601-602, but on OM606 it's held by "the king bolt" which needs over 400Nm to open.
This post was last modified: 10-17-2010, 12:41 PM by muuris.
muuris
10-17-2010, 12:39 PM #4

It can be

a) crankshaft front seal. Need to take the aux belt and balancer off. The seal actually sits on the balancer, not on the crank.

b) timing cover gasket behind the alternator.

I suspected my crank seal leaked and changed it, but leak didn't stop. I removed the alternator and its stand from the block, only then the leak became visible.

Either way, the hardest part it removing the balancer. Not sure about OM601-602, but on OM606 it's held by "the king bolt" which needs over 400Nm to open.

Jtn190D
MERCEDES DIESEL POWER!

192
10-17-2010, 02:22 PM #5
Thanks a lot Muuris for the reply, I'll have to check into this more before I start tearing apart things. Does any one know if I'll need to remove the radiators?
Jtn190D
10-17-2010, 02:22 PM #5

Thanks a lot Muuris for the reply, I'll have to check into this more before I start tearing apart things. Does any one know if I'll need to remove the radiators?

George3soccer
Holset

373
10-18-2010, 09:52 AM #6
You should have enough room to remove the large bolt holding the balancer with just removing the fan. And shroud
George3soccer
10-18-2010, 09:52 AM #6

You should have enough room to remove the large bolt holding the balancer with just removing the fan. And shroud

muuris
OM605

318
10-18-2010, 11:37 AM #7
No need to remove radiator with 4-5 cylinder engines.
muuris
10-18-2010, 11:37 AM #7

No need to remove radiator with 4-5 cylinder engines.

 
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