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  #1  
Old 01-23-2018, 11:29 PM
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OM603coolant leak just near turbo

Found coolant leak on pass side near turbo. there is water pump in the front, and just rear of pump, some kind housing with hose goes in, I guess it's thermostat housing. It looks like has two parts, one part mount to the engine side, and before that another one and it's leaking. I can't find any gasket for this part. Any ideas?

Thanks

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Old 01-23-2018, 11:40 PM
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Quote:
Originally Posted by phlfly View Post
Found coolant leak on pass side near turbo. there is water pump in the front, and just rear of pump, some kind housing with hose goes in, I guess it's thermostat housing. It looks like has two parts, one part mount to the engine side, and before that another one and it's leaking. I can't find any gasket for this part. Any ideas?

Thanks
That's 100% the thermostat housing.

Check out post #12
OM603 T-stat change


I would clean everything and recheck to be sure.
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Don't forget to grease the screw and threads on the spring compressor.
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Old 01-23-2018, 11:51 PM
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yes that is one. Is t pain? I looked it seems to be it needs to remove intake boot, and should be access. Any gasket goes there ?


http://www.peachparts.com/shopforum/attachments/diesel-discussion/26682d1117497091-om603-t-stat-change-thermostat.jpg
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  #4  
Old 01-23-2018, 11:59 PM
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The gasket should come with the thermostat. It's just a rubber thing that looks like an O-ring.
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Old 01-24-2018, 12:10 AM
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One member states replacing it is very easy.
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1986 Mercedes 300SDL Black - 320,000 miles. Out of retirement

1997 E300 Captain Slow - 218,000 miles my daily

2000 Mercedes E320 Black - 136,000 miles - New daily driver.

Don't forget to grease the screw and threads on the spring compressor.
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  #6  
Old 01-27-2018, 05:34 PM
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Unfortunately , it's not a thermostat seal, it's whole bracket seal.

Anyone have do without lifting a car? Also looking for p/n for the bracket seal.

Help will be nice Thanks
Attached Files
File Type: pdf Coolant bracket removal.pdf (131.5 KB, 17 views)
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  #7  
Old 01-27-2018, 07:08 PM
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Assuming you're talking about Part #315 in the drawing? The document you linked is the instructions to R&R that part. The forum sponsor has the gasket here: https://www.pelicanparts.com/More_Info/6062010180.htm?pn=606-201-01-80-M17&SVSVSI=3342#

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