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Author Topic: 1.9tdi oil leak  (Read 4884 times)

Offline johnnyroper

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1.9tdi oil leak
« on: December 01, 2015, 01:24:11 PM »
Ever since head gasket change I have had persistent oil leak from cam cover,I have had it back off and changed gasket again but still it remains.
The leak is coming from rear by no 4 cylinder end and around where it goes over camshaft cap.
Anyone had similar persistent oil leaks from these cam covers before and if so how did you cure it?

Offline andrix007

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Re: 1.9tdi oil leak
« Reply #1 on: December 01, 2015, 04:11:58 PM »
Are you sure it is faulty  cam cover gasket ? I had leaking EGR valve ...

Offline johnnyroper

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Re: 1.9tdi oil leak
« Reply #2 on: December 01, 2015, 04:53:47 PM »
There is a slight weep from egr but I can also see leak coming from cover joint by tandem pump and rear when using a mirror.

Offline insanitybeard

  • Greetings from Mr Chick!
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Re: 1.9tdi oil leak
« Reply #3 on: December 01, 2015, 05:08:13 PM »
Are you sure it isn't the rear tandem pump gasket that's leaking instead of the rocker cover gasket?
Always learning..... Often by mistakes!

Offline johnnyroper

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Re: 1.9tdi oil leak
« Reply #4 on: December 01, 2015, 07:35:11 PM »
Yes it could well be actually didn't think it would be that, but thinking about it now when looking at joint between cover,bearing cap and tandem the oil is bubbling slightly which would suggest a bit of pressure rather than just splashing around inside cover and leaking out?
And when I did head I built most of it up whilst waiting for camshaft so had tandem fitted before cam cap put back on. School boy error when being impatient it would seem!

Offline johnnyroper

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Re: 1.9tdi oil leak
« Reply #5 on: December 02, 2015, 02:45:43 PM »
It is indeed the tandem gasket at fault I pinched it with cam cap when fitting it.
Totally my fault for being impatient off to beat myself with a big stick now!!!

Offline insanitybeard

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Re: 1.9tdi oil leak
« Reply #6 on: May 21, 2016, 02:25:36 PM »
The motor on my missuses Touran appears to be leaking oil from up top near the tandem pump, it's been slowly working it's way down the block and gathering on the sump and inside face of the gearbox, that'll be another job to tackle at some point then!  ::) I had previously thought it may just have been a leaking sump plug or driveshaft oil seal but alas not!  ::)
Always learning..... Often by mistakes!

Offline johnnyroper

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Re: 1.9tdi oil leak
« Reply #7 on: May 21, 2016, 04:31:23 PM »
I was a bit premature thinking tandem gasket despite it being slightly pinched my leak was actually a warped rocker cover so wasn't tightening down against head on rear right.

Offline insanitybeard

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Re: 1.9tdi oil leak
« Reply #8 on: May 22, 2016, 11:26:34 AM »
I don't think the rocker cover has ever been off of this engine, just looking at where the leakage is I'm thinking tandem pump gasket though it's not beyond the bounds of possibility it's the rocker gasket. If it is, the EGR arrangement is different on the Touran so it shouldn't be such a challenge to get the cover off!
Always learning..... Often by mistakes!

Offline insanitybeard

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Re: 1.9tdi oil leak
« Reply #9 on: May 09, 2017, 06:29:25 PM »
Tony, did you say in another thread that you sorted this issue by fitting a replacement secondhand rocker cover? I've just changed the tandem pump gasket on the Touran and I'm not convinced that my oil leak is sorted. The way it's (oil) gathering on the ridge of the head gasket by no. 4 cylinder on the front face if I didn't know better I'd say it was the head gasket leaking but a) I pray it isn't and b) being that it's a metal gasket I'm more inclined to think a rubber seal has gone hard somewhere and been leaking. Trouble is the whole front of the cylinder block at the gearbox end is wet (in that horrible thick oily grime) along with the top of the gearbox and the sump so I figure the next step is a rinse with a heavy duty degreaser down at the jetwash to clean it all up so that I can observe a clean engine to give me a better idea of where it's coming from! It's causing a significant loss of oil over time. It is cruddy right up to the rocker cover gasket seating surface so hopefully it's the rocker gasket and not the head gasket. If it is I'll try just a gasket before a complete rocker cover!  ::)
Always learning..... Often by mistakes!

Offline johnnyroper

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Re: 1.9tdi oil leak
« Reply #10 on: May 09, 2017, 10:14:52 PM »
Yes I did get replacement rocker cover,mine was filthy down the front and back of block. I cleaned it all off and could see the oil coming out of rocker cover above cam bearing cap and between head and cover. New gasket even with mega black would not stop leak.
Replacement cover sorted it.
I couldn't get new gasket anywhere apart from online as vw sell cover with gasket as they are prone to warping I was told.

Offline insanitybeard

  • Greetings from Mr Chick!
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Re: 1.9tdi oil leak
« Reply #11 on: May 10, 2017, 10:23:41 AM »
cheers Yeah, I've read a few tales of that (warped covers) as well. The VW parts diagram for the Touran shows the gasket with it's own number (23) on the diagram but it's omitted on the numerical list of VW part numbers below the diagram so as you say, you can't buy it separately from them as a spare part for this vehicle. Interesting thing is if you look at e.g a 2002 Sharan, the gasket is listed separately (still no. 23 on the diagram but it is included in the numerical list and does have a VW part number- 038103483D), not sure if there were any differences in the cover design which would prevent it from fitting properly though. If you change the build date to 2005 the gasket is again no longer listed as a separate part.

Anyway, trip down to the jetwash up next with a bottle of Gunk to give me a clean engine as a starting point!
Always learning..... Often by mistakes!

Offline johnnyroper

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Re: 1.9tdi oil leak
« Reply #12 on: May 10, 2017, 01:23:33 PM »
They don't seem very consistent with gasket availability some you can get some you can't for essentially the same engines?

Yeah defo trip down jet wash to clean off to stand better chance of locating leak and go from there.

If yours is leaking seems odd it would be warped unless it has been disturbed,mine was fine when I first had it but after removing to do head gasket that's when it started to leak.

Offline marcushamblin1976

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Re: 1.9tdi oil leak
« Reply #13 on: May 10, 2017, 04:17:09 PM »
Very common for warping.  150 ish for a new cover with gasket. 

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