Xantia Air Pipes 1B 1C 1D

magictorch · Unread post by **magictorch** » 20 Mar 2011, 11:11

Does anyone have a diagram of where the air pipes go behind the engine on the 1.9TD ? Ihave a massive oil leak back there and can't see where they attach. I think the leak is coming from around the alloy mounting somewhere.

J

magictorch · Unread post by **magictorch** » 01 Apr 2011, 19:25

I see that the black plastic pipes
air distribution housing

Connect to the inlet manifold. Thats where the leak is.

magictorch · Unread post by **magictorch** » 02 Apr 2011, 19:44

I made fantastic progress today in removing the air distribution housing (both pipes), in my quest to find out where this oil leak is coming from.

For future reference here is what I did. I started by taking offside front wheel off and the right hand plastic arch guard. Looking up I could see the 2 x jubilees holding the air housing onto the turbo. I started here and worked on them until they could be swung round. Moving back to the front of the car undo all other connections to housing with 6mm socket.

Now getting the top air dist. housing off (as you look into engine bay) first was they key to the whole thing. Once I had undone the bottom of this There was opportunity to flex the other housing (left hand one whilst looking into bay. I could then reach around from the left side and undo both 10mm bolt holding this onto the turbo.

----8< SNIP ----------------------------------------------------

Now I had these off I could see that leaking needle lift sensor injector KCA17892 (for future reference

)

Pressing with a screw driver I could see the DERV ooozing out. Pesky thing.

Cross link for reference
http://www.frenchcarforum.co.uk/forum/v ... hp?t=34928

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Even after a good ragging down I still can't see where the hell all this oil is coming from. Turbo looks clean but the inlet manifold looked manky on the engine. Rocker cover looks ok too.
I made a start on the inlet manifold by removing all 12mm bolts. After much head scratching on why the damn thing would not budge I then went to look at Paynes Manual and have a brew. Ah ha! Its got hex bolts on it. Will whip this off tomorrow and continue my investigations on where all that bloomin oil is coming from.

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Can someone help me describve how the flex on the inlet manifold is connected to the turbo? The connector looks very Francais

Unread post by **RichardW** » 02 Apr 2011, 20:27

Large oil leaks in that area are most likely to be the head gasket unfortunately....

Still removing the manifolds is on the way to getting the head off!

magictorch · Unread post by **magictorch** » 02 Apr 2011, 20:30

No mayo in oil. Coolant seems good. No adverse smoke except when booted but I think thats my injector as described. Any clues on the gasket before I go mental and start stripping the head off!

Unread post by **RichardW** » 02 Apr 2011, 20:42

The main oil feed to the head is at that end of the engine and there's not much gasket between the gallery and the outside world - it's possible for the gasket to let go and the oil just hoses out. It was the end of my first TD Xantia....

MikeT · Unread post by **MikeT** » 03 Apr 2011, 08:55

IIRC, the cam cover gasket is a potential for oil leaks as heat hardens it over time.

As for the flex between inlet manifold and turbo, not sure what you mean as there's an intercooler between the two? Are you referring to the EGR? That sits on the exhaust manifold and has a corrugated pipe to the inlet manifold.

Xaccers · Unread post by **Xaccers** » 03 Apr 2011, 09:16

Along with the cam cover gasket, the vacuum pump on the end of the cam can leak too, oil runs out the back covering the back of the engine.

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Xantia Air Pipes 1B 1C 1D

Xantia Air Pipes 1B 1C 1D

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