 | Home > Td5 > Core plug weeping oh blast |
 
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20294  
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I'd live with it for now, keep an eye on engine temp and coolant loss.
Then go for a proper fix, avoid using additives to seal it. I was recommended to fix rather that use a temp seal when I had coolant leak issues and I'm glad I did.  ⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️ |
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26th Feb 2017 7:47pm |
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| cobra_mark Member Since: 17 Feb 2015 Location: West Yorks Posts: 213 
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Thanks Steve, will start getting a list of bits to get.
I have read somewhere that the removal can strip the alloy head thread if it is removed, som put a strong epoxy around exposed threads and screw it back up, hate to make it worse by wrecking the head.  |
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26th Feb 2017 7:51pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20294
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I would get further advice on that, and go from there.
⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️ |
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26th Feb 2017 8:04pm |
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| ian series 1 Member Since: 17 Nov 2014 Location: south Posts: 3127 
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I had this problem on my Disco 2, the bung that's behind the manifold is threaded, I did the head gasket on it, and I'm sure I wrapped some PTFE tape around the threads to seal it?
It was a few years ago, but quite a straightforward fix, if that's where it's defenetly coming from? 80" 80" 86" 88" 90" Wanted, Forward Control Anything considered. |
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26th Feb 2017 8:12pm |
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| cobra_mark Member Since: 17 Feb 2015 Location: West Yorks Posts: 213
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Thanks Ian, I am 90% sure but until I strip down the manifold side won't be sure.
The Pte tape is a good clean idea, thanks. |
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26th Feb 2017 8:16pm |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
 Click image to enlarge then you strip down the manifold side check the plug that's the end arrow had coolant leak on same side tuned out to be the plug seal had failed Click image to enlarge its not Core plug but 1 inch steel plug see below LCM100170 Last edited by dorsetsmith on 26th Feb 2017 8:56pm. Edited 5 times in total |
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26th Feb 2017 8:23pm |
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| derbywill Member Since: 25 Mar 2010 Location: Derbyshire Posts: 556  
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Do not use any type of sealer ! My Fathers Td5 Discovery had this leak when he purchased it the last owner must had been using rad weld or something similar. And we have had problems ever since, water leaks, heater not getting hot etc.
We have changed the radiator water pump, hoses etc. On Saturday I was replacing the 'o' rings on the heat exchanger and found one of the pipes completely blocked! Click image to enlarge Click image to enlarge Click image to enlarge 2005 90 XS 1954 86'' Series 1 tilt 1968 88” 2A 200tdi 2002 110 Hardtop |
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26th Feb 2017 8:27pm |
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| cobra_mark Member Since: 17 Feb 2015 Location: West Yorks Posts: 213
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That's made it clear no additives and a summer strip down, should not get too Leakey as the plug leak is only a large table spoon each drive.
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26th Feb 2017 8:34pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17339 
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My Disco2 has been doing that for more than a decade. Keep the coolant topped up and it'll be OK until you can fix it.
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26th Feb 2017 8:59pm |
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| cobra_mark Member Since: 17 Feb 2015 Location: West Yorks Posts: 213
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That's lowered the stress a bit
 will start gathering the parts and a new core plug part number stated earlier. |
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26th Feb 2017 9:03pm |
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| rallysteve Member Since: 10 Feb 2014 Location: Cumbria Posts: 2225 
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That brown gunge in the coolant system looks like a tell-tale symptom of someone topping up the OAT coolant with the normal etylene glycol stuff. Turns to brown sludge.
I would never use radweld or other similar products though. They do make a real mess of the coolant systen and block heater matrices and thermostats. Either live with the leak or fix it properly. Steve 02' 110 TD5 Double Cab Rebuild Thread |
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26th Feb 2017 9:06pm |
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| cobra_mark Member Since: 17 Feb 2015 Location: West Yorks Posts: 213
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Will get a full flush this summer when I sort this plug out, definitely not going down the rad weld path.
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27th Feb 2017 8:15am |
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| geobloke Member Since: 06 Nov 2012 Location: Nottinghamshire Posts: 4410
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I cannot tell you how glad I was that I flushed the coolant system on my TD5 properly. What an amazing difference to the heater output (hot to volcanic). This was 5 years ago now and everything (coolant-wise) is still working beautifully.
I think all in all it took a good morning of getting drenched. But worth it. Noticed that the Rad is looking a little tired now, so expect that a new one will be in order this summer and a re-flush as well. |
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27th Feb 2017 11:14am |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20294
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Am I correct in thinking to flush the system it's just a gravity fed flush though?
Pretty sure there shouldn't be any pressure used. Is that correct? ⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️ |
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27th Feb 2017 11:24am |
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