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Hi guys.

Alfa 159 Lusso 16V JTDM (deisel) please can anyone tell me what's come off here? (See pics). It looks like it's either a little orange hose or a cap. What's it for and what's it called?? It's obvs to do with coolant since as it blew off, I don't have any in the engine any more! What is it and where can I get one please?

936410


936411


Many thanks.
 

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How's this

Sent from my moto g(7) power using Tapatalk
 

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How's this

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Aha - Got it. Thanks.

My JTDM is 2018 and I'm wondering whether this is the same where they changed it to a blanking cap.
 

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I'm not an expert by any means but for anyone who's interested, or wants to comment, since this is a cap what I've done for a temporary fix is to plug the hole with a tek screw and a compression washer, bled the system and run the engine for 20 minutes. I'll give the car a bit of a run tomorrow and let you know what happens.

J
 

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Quick update: Well I only did 10 miles but I got a chance to warm the engine and put my foot down a bit and everything seems fine - cross fingers.
 

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That looks like the water feed that runs through the manifold and into the head, on the ally manifolds its a brass fitting that is part of the manifold.
I've only taken 1 plastic manifold off and that was a long time ago so cant remember if its part of the manifold or the pipe.
 

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It is just a plastic tube from coolant way in head/manifold it’s part of the manifold and does not really serve a purpose.

mine broke off when removing manifold so I blocked it off manifold side before refitting. Never had an issue in 15k miles
 
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