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Old 21-12-14, 10:48 AM   #1
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Default STOP light came on!

My stop light came on then went out then back on again, got back home as I didn't know what the symbol was, turned out be be a 'coolant cap' so assumed I had a leak or just needed topping up. Looked under the bonnet and undid what I presumed to be the coolant cap and it was basically black thick oil!!!!
So I checked the hand book and yes I'd got the company cap, so what if anything could cause this or is oil supposed to be in there? Or does it sound like head gasket!
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Old 21-12-14, 12:34 PM   #2
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which car? which engine?
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Old 21-12-14, 12:44 PM   #3
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Sorry, partner 1.6 turbo diesel 2006
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Old 21-12-14, 12:50 PM   #4
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thick black oil in the expansion tank means its probably the oil cooler at fault and not the head gasket.
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Old 21-12-14, 02:22 PM   #5
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Thanks, I hope that that is a easier fix than head gAsket, but do you know what is involved?
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Old 22-12-14, 01:45 PM   #6
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the oil coolers a simple change but its a hassle cleaning out the water system from the oil, it might take 3 or 4 flushes and the header tank removed and power hosed out.
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Old 22-12-14, 06:18 PM   #7
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Quote:
Originally Posted by salster View Post
the oil coolers a simple change but its a hassle cleaning out the water system from the oil, it might take 3 or 4 flushes and the header tank removed and power hosed out.
Try running a couple of times with a few capfuls of liquid washing machine detergent in the system. Has worked for me every time. Squeeky clean. Just don't forget to refill afterwards with the correct coolant mix after a last flush with clean water !
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Old 22-12-14, 07:18 PM   #8
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the last time I did one all I could find was dishwasher tablets , I must say they worked a treat, don,t have a clue if they are good for the system or not but they cleaned it out.
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Old 23-12-14, 07:33 AM   #9
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Update, yesterday I took my partner (car) to my mates garage to see if it was head gasket or oil cooler 900 or 280 so I was hoping for the latter. I even got a puncture on the way to the garage which didn't bode well, anyway he got back to me and yes it was the Cooler😄, but I am now left wondering how often do they go and is there anything I can do to help prevent it happening again?
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Old 23-12-14, 11:40 AM   #10
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We'll I've picked car up and the bloody stop light is still on with coolant cap symbol, rang my mate who said it will be the sensor maybe it is contaminated. As it's Christmas it will have to wait but is the sensor East to get at?
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