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Sediment in my dealer rebuilt 3.6.

2K views 2 replies 3 participants last post by  Rubi_Red 
#1 · (Edited)
What is this stuff? Remanufactured engine from dealership. Has only about 10 miles on it.
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the sediment on my fingers came from the thermostat. I believe it’s the same sediment in oil filter. The dealer ship tells me it’s copper from the thermostat.I don’t think a thermostat would break down like this.
 

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