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sprinkles08
sprinkles08, ASE Certified Technician
Category: UK Car
Satisfied Customers: 21585
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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2006 s40 deisel sport going great guns suddenly one night

Customer Question

2006 s40 deisel sport going great guns suddenly one night overheats checked it next morning black thick gunk comming out the header tank radiator solid with it as well as pipe work radiator changed pipework cleared oil cooler changed. ran it for ten min looks like its happening again. i noticed quite a loud turbo whistle over the last week, dont know if they are connected.not much in the way of smoke out exhaust. no milky stuff on dipstick or in head gasket. any help appreciated.
JA: How many miles since your last oil change?
Customer: 25k
JA: What year is your MINI?
Customer: i dont have a mini
JA: Are you fixing your MINI yourself? What have you tried so far?
Customer: the only mini im interseted in is a skirt i have a volvo s40 with oil problems
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 1 month ago.
Category: UK Car
Expert:  sprinkles08 replied 1 month ago.

Hello and welcome to JustAnswer!

It's possible that you could have a head or block issue but the oil cooler was definitely the most likely cause for the oil in the cooling system. I suspect you're seeing residual oil in the cooling system rather than from a current leak.

How did you try to flush the cooling system after the repairs?

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