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Turbo Oil Feed leak?

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mattm123 View Drop Down
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    Posted: 31 Jul 17 at 09:02
Hi

I had a leak (small-ish) coming from the turbo oil feed at the connection on the oil cooler/filter. Engine oil was changed last week pulled up onto the drive last night and noticed oil pouring out!

I only had chance for a quick look last night but  i could see that oil was pooling ontop of the engine beneth the oil cooler/filter so i guess is coming from either the sensor or the turbo feed.


coulple of questions, am i right in thinking the new oil, being thinner than the old, is likely to have found its way out the old leak but in larger quantaties?

Can i just try and nip up the unions on the turbo feed? is this lilely to work?
if the leak is coming from the sensor seal how do i re-seal that?

Thanks

Matt
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akw View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote akw Quote  Post ReplyReply Direct Link To This Post Posted: 31 Jul 17 at 14:23
I would try and clean it up to see where exactly it's leaking from. 

The oil pressure gauge has a metal washer.  You can try nipping it up or get a new one with a washer, it's very cheap:

https://www.brickwerks.co.uk/oil-pressure-switch-blue.html

Last time I tried nipping up the turbo feed pipe it broke completely.  You can give it a go but be prepared that it may break.   Replacement is available and relatively cheap too:

https://www.brickwerks.co.uk/turbo-oil-feed-pipe-t3-1-6td.html

there is also a union which is sealed with a washer:

https://www.brickwerks.co.uk/turbo-oil-feed-pipe-union-t3-1-6td.html

Hope that helps.

'90 T3 Bluestar
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mattm123 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mattm123 Quote  Post ReplyReply Direct Link To This Post Posted: 31 Jul 17 at 14:51
that helps a lot, do you know if the union on brickwerks comes with the washer?

looking at my pics i can't see a washer betwen the union and the filter which might explain the leak?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mattm123 Quote  Post ReplyReply Direct Link To This Post Posted: 31 Jul 17 at 21:19
Well it turns out it's not the turbo feed leak that's got worse but the high pressure diesel line for cylinder 4 that is pissing out from the nut connecting it to the pump!

I tried tightening it with a 17mm spanner but it didn't budge. Is changing the line as simple as it looks? Unscrew from both ends replace and tighten.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote akw Quote  Post ReplyReply Direct Link To This Post Posted: 01 Aug 17 at 11:27
Yeah, pretty much.  You can buy them individually or as a set.

Make sure to clamp the pipes together otherwise they may fail quickly (due to vibrations).  Hopefully you have a clamp on there already if not you can get one here:

https://www.brickwerks.co.uk/injector-pipe-clamp-vw-diesel-4-pipe.html

Good luck


'90 T3 Bluestar
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mattm123 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mattm123 Quote  Post ReplyReply Direct Link To This Post Posted: 01 Aug 17 at 11:40
There was a clamp on three of the lines at the top and a clear mark, close to the pump, where the clamp which gives over all 4 lines is missing! Guess which one failed.....

Who ever did this engine recon ( before by ownership) did a shocking job!!! Also found there are some missing sump bolts last night
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ob1 Quote  Post ReplyReply Direct Link To This Post Posted: 01 Aug 17 at 15:34
Essential those fuel pipe clamps. They just fracture with metal fatigue without them.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mattm123 Quote  Post ReplyReply Direct Link To This Post Posted: 03 Aug 17 at 14:50
New injector pipe and anti vibration clamp fitted, leak solved!

Thanks all

M
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