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Thread: 2.0 Diesel Airbox Question

  1. #1
    Senior Member RF900R's Avatar
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    2.0 Diesel Airbox Question

    Good evening!

    I've been reading a lot about a mysterious hose coming out of the airbox on the 2.0 litre engines. Well, I've had a look at mine, and there's definitely a nozzle for a hose to attached too, but no hose to be seen anywhere! Could this be the elusive and mysterious hose that goes to "something" and then does "something else" to the EGR valve? It's located by the battery on the underside of the pipe that leads from the airbox to the manifold. Only asking as recently, under load, the engine has started to puff out quite a bit of smoke.

    I've tried to upload an image but for some reason it won't let me.

    Thanking you all.
    2006 X-Type 2.0 SE Diesel Estate: 130,000 miles and climbing!
    Heart of Gold, Nerves of Steel, Knob of Butter.

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    scroll down i have put some pictures up of the pipe layout
    https://www.jaguarforum.com/showthread.php?t=113296
    2005 x type 2.0D estate sport in black

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    Senior Member RF900R's Avatar
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    Thanks for that bugsb, I'll take the battery cover off tomorrow and have a look around that area. There's definitely no hose connected, but I'm not even 100% sure it's there at all!
    2006 X-Type 2.0 SE Diesel Estate: 130,000 miles and climbing!
    Heart of Gold, Nerves of Steel, Knob of Butter.

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    if its not that clean the maf sensor and take a look at the intercooler pipe to egr valve just replaced mine but still the same mind you i could not find a hole or split but then found it was the one just below the map sensor
    2005 x type 2.0D estate sport in black

  6. #5
    Senior Member Lost it's Avatar
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    That pipe goes to a "manifold" of sorts that is usually attached to the outside of the starter motor. It supplies a minimal amount of filtered air to the vacuum air pump, so yes it needs to be attached.
    Last edited by Lost it; 11-02-19 at 20:22.
    2001 3.0 SE Auto, Satnav, winter pack. Dark Blue, all the toys.
    2004 3.0 Sovereign Estate. Winter pack. Fixed. For Sale.
    2005 Estate X type 2.2 Sport.
    2000 V8 3.2 XJ8 LWB. "Prom" car. Lovely. Should sell this one too really...
    2005 "AllyCat", 3.0 XJ6 SE.
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    Still beating cancer. Trevor 2, Cancer 0.

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    Senior Member RF900R's Avatar
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    Quote Originally Posted by Lost it View Post
    That pipe goes to a "manifold" of sports that is usually attached to the outside of the starter motor. It supplies a minimal amount of filtered air to the vacuum air pump, so yes it needs to be attached.
    Thanks Lost It - I'll have another look today. I couldn't see it at all last night, but in the cold light of day I might have more luck. That's assuming it's there at all! I've mentioned in other posts that this car has had a new front end put on it prior to me getting my paws on it. and it seems the repair wasn't all that good. Trivial things, like no thermostat, one bolt missing of the power steering pump causing the pulley to sheer off, you know little things like that. I'm guessing if it simply popped off the hose would be languishing down in the right hand side of the engine bay.
    2006 X-Type 2.0 SE Diesel Estate: 130,000 miles and climbing!
    Heart of Gold, Nerves of Steel, Knob of Butter.

  8. #7
    Senior Member rob78's Avatar
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    mine was tight and if the airbox has been pulled off at some point i guess it would be easy for the pipe to ping itself down into the darkest depths of the engine bay
    Metallic Red 2006 2.2 Sport in poverty spec

    I agree with roger.

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    Senior Member RF900R's Avatar
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    Thanks for all the replies chaps! I took the battery cover off, and there was the hose tucked away behind some other piperwork! Connected it back up and took it for a spin. The first couple of accelerations under load still puffed out black smoke, but it seemed to disappear after that (although I'm not convinced it won't be back tomorrow), but the most noticeable thing was that the engine no longer seems to struggle at low revs. Not sure if that's related but I'll notch it up as a success.
    2006 X-Type 2.0 SE Diesel Estate: 130,000 miles and climbing!
    Heart of Gold, Nerves of Steel, Knob of Butter.

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    good result
    2005 x type 2.0D estate sport in black

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    Senior Member Lost it's Avatar
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    Indeed it is. Because that little pipe being off would have meant the engine was getting unfiltered air as well.
    2001 3.0 SE Auto, Satnav, winter pack. Dark Blue, all the toys.
    2004 3.0 Sovereign Estate. Winter pack. Fixed. For Sale.
    2005 Estate X type 2.2 Sport.
    2000 V8 3.2 XJ8 LWB. "Prom" car. Lovely. Should sell this one too really...
    2005 "AllyCat", 3.0 XJ6 SE.
    2000 S type 4.0 V8. Latest toy.
    VFR800A and a VFR 800F

    Still beating cancer. Trevor 2, Cancer 0.

    Sure I took the Red pill....

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