Coolant leak

00slk

Senior Member
Joined
Dec 1, 2012
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Location
Cambridgeshire UK
Your Mercedes
2002 SL55 AMG, 2005 E320 CDi, 2014 SLK250 CDi, 2003 SLK200
I have a coolant leak on the 320cdi and it has been diagnosed as frost or core plug on the right front side of the engine, plus leak at the rear heater hose (very nice to get too)
I have removed the air cleaner and mount and the only trace of a leak (crystal like substance) around this bolt like thing.
Does this look like the culprit?

20230117_223542.jpg 20230118_124801.jpg
I have cleaned it up in the second picture.
Many thanks.
 


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