Gerald90 Posted July 20, 2023 Share Posted July 20, 2023 Hi everyone, I've recently done a big road trip in my 1986 12j 90 and I've come across a few leaks. Any help with diagnosing them and what the best course of action is would be greatly appreciated. Quote Link to comment Share on other sites More sharing options...
western Posted July 20, 2023 Share Posted July 20, 2023 Replace the core plug, Rubber bung missing from camshaft bearing oil drilling, there are 3 of these on that side of block Check the pipes are not cracked or rusted & replace the rocker cover seal under the nut Quote Link to comment Share on other sites More sharing options...
Gerald90 Posted July 20, 2023 Author Share Posted July 20, 2023 21 minutes ago, western said: Replace the core plug, Rubber bung missing from camshaft bearing oil drilling, there are 3 of these on that side of block Check the pipes are not cracked or rusted & replace the rocker cover seal under the nut Cheers 👍 Quote Link to comment Share on other sites More sharing options...
Gerald90 Posted July 20, 2023 Author Share Posted July 20, 2023 24 minutes ago, western said: Replace the core plug, Rubber bung missing from camshaft bearing oil drilling, there are 3 of these on that side of block Check the pipes are not cracked or rusted & replace the rocker cover seal under the nut Would you happen to know the part numbers for these? Thanks Quote Link to comment Share on other sites More sharing options...
western Posted July 20, 2023 Share Posted July 20, 2023 All the info in http://www.retroanaconda.com/landrover/2009/12/land-rover-defender-90-parts-book/ Quote Link to comment Share on other sites More sharing options...
Gerald90 Posted July 20, 2023 Author Share Posted July 20, 2023 1 hour ago, western said: All the info in http://www.retroanaconda.com/landrover/2009/12/land-rover-defender-90-parts-book/ thanks for the help! Quote Link to comment Share on other sites More sharing options...
hurbie Posted July 20, 2023 Share Posted July 20, 2023 the "rubber bung" is more likeli a dab off sealant (at least on 200tdi it is) Quote Link to comment Share on other sites More sharing options...
western Posted July 20, 2023 Share Posted July 20, 2023 Nope they are proper rubber bungs for that job LR part ERR5034 Plug camshaft oil feed x 3 https://www.johnrichardssurplus.co.uk/land-rover-camshaft-rubber-blanking-plug-etc7708-use-err5034.html Quote Link to comment Share on other sites More sharing options...
hurbie Posted July 20, 2023 Share Posted July 20, 2023 27 minutes ago, western said: Nope they are proper rubber bungs for that job it seems you are quit right ... , i seem to remember reading somewhere (tought it was in the overhaul manual) , that it was sealant .. on my engine there's some sort off steel plug's in the hole's and only 2mm under the surface off the block , so a propper rubber bung wouldn't fit , could that be a later "fix" ? Quote Link to comment Share on other sites More sharing options...
western Posted July 20, 2023 Share Posted July 20, 2023 I would guess that metal plug was added by a previous owner, My 200tdi was brand new in mid 1994 & the rubber plugs were factory fit. Quote Link to comment Share on other sites More sharing options...
Gerald90 Posted July 21, 2023 Author Share Posted July 21, 2023 Thanks for all your help! would I be able to drive my landie safely until I can sort these parts out or is it best left alone? Quote Link to comment Share on other sites More sharing options...
western Posted July 21, 2023 Share Posted July 21, 2023 Just keep a eye on the core plug & oil way plug, best to sort them as soon as you can. Quote Link to comment Share on other sites More sharing options...
Snagger Posted July 22, 2023 Share Posted July 22, 2023 I’d say the core plug is a fairly urgent job as it looks ready to pop out. The oil plug and the mist from the rocker cover retaining nut are common enough and are not going to lose a significant amount of oil, just make a small mess. Quote Link to comment Share on other sites More sharing options...
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