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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17731   
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The oil cooler is another possibility.
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26th Apr 2025 9:54am |
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| Dover mike Member Since: 01 Aug 2023 Location: Dover kent Posts: 29  
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ohhhh ok is they anyway of finding out what has failed
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26th Apr 2025 10:47am |
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| diesel_jim Member Since: 13 Oct 2008 Location: hiding Posts: 6176 
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I had that on one I built a few years back. changed the head etc, it still did it. Turned out to be the oil cooler. I removed it (quite easy IIRC), and to test it, got a couple of bolts that fitted the union thread, drilled one right through the centre, tapped it and fitted an airline fitting. putting the plain bolt into the other hole of course! Then attached airline, stuck it in a bucket of water, hey presto bubbles.... I've still got the bolts here somewhere if you want them (no longer have a defender so no use to me) |
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26th Apr 2025 4:22pm |
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| derbywill Member Since: 25 Mar 2010 Location: Derbyshire Posts: 567 
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Oil cooler will more than likely be the suspect.
Cheers Will 2005 90 XS 1954 86'' Series 1 tilt 1968 88” 2A 200tdi 2002 110 Hardtop |
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26th Apr 2025 8:51pm |
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| Penfold_6290 Member Since: 22 Sep 2021 Location: Dorset Posts: 352 
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Oil in water is more likely to be a failed oil cooler than a head gasket. I discovered the exact same goopy mess the other day on my 120,000 mile 15P after an unplanned radiator removal. I am currently waiting for parts to change the oil cooler and water pump (and exhaust manifold while I'm at it). Not a complicated job and can be carried out without removing the exhaust manifold, but the turbo would need to come off to give you access. I'm only doing the manifold because it's blowing and thought I might as well while the turbo is off.
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27th Apr 2025 9:44pm |
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| diesel_jim Member Since: 13 Oct 2008 Location: hiding Posts: 6176
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As a side note.... I cleaned the oil out of the water by adding some washing powder to the header tank.
do 10 miles or so, drain it, refill & repeat until the water stays clear. Took about 4 or 5 flushes but did the job. |
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27th Apr 2025 9:46pm |
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| Dover mike Member Since: 01 Aug 2023 Location: Dover kent Posts: 29
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thanks all i have just ordered all that's needed for replacement oil cooler
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28th Apr 2025 1:34pm |
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| Dover mike Member Since: 01 Aug 2023 Location: Dover kent Posts: 29
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good afternoon all i have ordered all the parts needed do you think i would need to remove the water pump to clean out all the oil or just keep flushing the system through what do you think is the best to flush the system
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29th Apr 2025 12:39pm |
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| derbywill Member Since: 25 Mar 2010 Location: Derbyshire Posts: 567
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To be fair if you are stripping it to get the cooler out, I would be changing the water pump.
Cheers Will 2005 90 XS 1954 86'' Series 1 tilt 1968 88” 2A 200tdi 2002 110 Hardtop |
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30th Apr 2025 1:22pm |
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| diesel_jim Member Since: 13 Oct 2008 Location: hiding Posts: 6176
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As I mentioned above, I was suggested to use washing powder (which breaks down oil) and it worked a treat. |
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30th Apr 2025 8:52pm |
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| Dover mike Member Since: 01 Aug 2023 Location: Dover kent Posts: 29
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thanks mate the wife is picking loads up today
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1st May 2025 1:30pm |
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