 | Home > Technical > Find the oil leak - Christmas Special!! |
 
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3198   
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Just behind where you circled on the lower picture is the vacuum pump. Perhaps it is the source? Not sure where the vacuum pump gets the power from, but very likely that it connects to the exhaust cam shaft. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black |
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26th Dec 2020 2:25pm |
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| Co1 Member Since: 19 Aug 2018 Location: North Yorkshire Posts: 3615  
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Thanks Dinnu, appreciate the quick reply. Sounds like a job for the garage then.
Any other theories out there? |
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26th Dec 2020 2:29pm |
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3198
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Perhaps it is part No2 in link below. Just guessing though. If it is, there does not seem to be any specialist work to replace, just access is restricted.
https://www.lrworkshop.com/diagrams/land-r...mp_2.2tdci 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing 2012 90 CSW, 2.2TDCI, Santorini Black |
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26th Dec 2020 3:54pm |
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| Co1 Member Since: 19 Aug 2018 Location: North Yorkshire Posts: 3615
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Nice one. I’ll check it out. Looks straight forward enough, will get the bonnet off later this week to get a better look.
Interestingly, I’ve lost a little bit of fuel economy in the last month or so. Any link to a vac pump leak? |
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26th Dec 2020 4:01pm |
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3198
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Possibly just 2 bolts. Perhaps no need to disconnect the vacuum hoses.
I doubt if it is leaking oil there will affect fuel economy. Tyre pressures ok? When it gets cold, pressure drops. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing 2012 90 CSW, 2.2TDCI, Santorini Black |
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26th Dec 2020 4:12pm |
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| Co1 Member Since: 19 Aug 2018 Location: North Yorkshire Posts: 3615
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Had another look today and it looks like your are right Dinnu, so I’ll get one ordered up. Thanks a bunch. Install looks bloody awkward, I don’t think I’ll be able to get the pump off without removing the ecu as clearance looks to be bloody tight!
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27th Dec 2020 1:11pm |
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3198
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👍👍 I think you are lucky that you do not have an AC refrigerant line passing right next to vacuum pump! 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black |
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27th Dec 2020 1:24pm |
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| L110CDL Member Since: 31 Oct 2015 Location: Devon Posts: 10491 
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Hi Co1, not sure but in your top pic, where you have it circled, has the metal part broken/fractured away from the screw ?
or is it meant to be like that ? 1996 Golf Blue 300Tdi 110 Pick up. Keeper. Clayton. |
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29th Dec 2020 10:55pm |
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| DAZ110 Member Since: 06 Dec 2007 Location: East Sussex Posts: 2003 
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Isn’t it that just a shadow front the metal part in front?
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29th Dec 2020 11:39pm |
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| Co1 Member Since: 19 Aug 2018 Location: North Yorkshire Posts: 3615
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It’s a shadow line from the bell housing flange into the dpf heat shield.  |
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30th Dec 2020 8:35am |
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| L110CDL Member Since: 31 Oct 2015 Location: Devon Posts: 10491
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phew
1996 Golf Blue 300Tdi 110 Pick up. Keeper.
Clayton. |
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31st Dec 2020 11:00pm |
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| Co1 Member Since: 19 Aug 2018 Location: North Yorkshire Posts: 3615
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Right then, we’re back for round 2! Finally got round to doing the vac pump seal last week and... it’s still leaking! There is oil dripping by the hole in the bell housing but not from it, it is coming from above and running round. It only does it when it is warm, not all the time.
The crank shaft seal was done a few months back when the clutch was done. I don’t seem to be losing much oil going by the dipstick. Answers on the back of a postcard.  Click image to enlarge Click image to enlarge |
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18th Feb 2021 7:13pm |
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| Co1 Member Since: 19 Aug 2018 Location: North Yorkshire Posts: 3615
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If the leak was due to an overfilled gearbox, where would it leak out from? I seem to think I’ve had the leak since a service.
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19th Feb 2021 9:48am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 16868 
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Are you sure it is lubricating oil not fuel? What does it smell like?
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19th Feb 2021 10:42am |
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