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31st March 2021, 14:57 | #51 |
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Update...Colour of drained oil
I've flushed the engine with Wynns and drained and replaced the oil however the old oil looks worrying.
As you can see from the photo its a milky chocolate colour and pretty emulsified Can we still rule out HGF or is it looking more likely? Paul |
31st March 2021, 15:06 | #52 |
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I'd say that a milk chocolate colour is pretty normal for engine oil that hasn't been changed for a long time.
Is that a reflection on the surface or something floating? Simon
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31st March 2021, 15:50 | #53 | |
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TC |
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31st March 2021, 16:10 | #54 | |
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The surface has just started to go a little milky as I'd not moved the oil in this container since draining it 20 minutes or so previously. Looks like bypassing the oil cooler in the next job, but I could do with a how to and I cant find one anywhere. Any guidance? Cheers Paul |
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31st March 2021, 16:27 | #55 |
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That oil isn’t normal considering it was changed a year ago, short journeys or not it shouldn’t look like that.
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31st March 2021, 18:15 | #56 |
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31st March 2021, 21:23 | #57 |
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It could be coolant leakage into the oil via the heat exchanger. Your circulation issue seems to be focussing on that, so it is a likely candidate.
TC |
31st March 2021, 22:06 | #58 | |
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Paul |
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1st April 2021, 06:30 | #59 | |
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If I were you I wouldn't ignore T-Cut's very interesting and informative crackle test. I'd like to hear the result of that. Simon
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1st April 2021, 07:35 | #60 | |
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There's not a spot of mayo in the expansion tank, it was the oil cap and cylinder that looked like a mayo factory. Does this now suggest that the oil cooler cannot be faulty and bypassing it is not worth doing? ( or should I still try that to eliminate it from the overheating issue) I'll try the crackle test later and report back Paul |
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