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EGR help required MK5 transit

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EGR help required MK5 transit

Postby Tony-1976 » Thu Jan 09, 2020 2:55 pm

Hi forum,

anyone know if my transit mk5 actually has an egr pipe worth blanking off?

what difference will it make to the general running of the van?

picture attached.
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Re: EGR help required MK5 transit

Postby 00353theking » Thu Jan 09, 2020 6:22 pm

That pipe from the air intake to the manifold is the egr pipe blank that off and it will run better with more power

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Re: EGR help required MK5 transit

Postby Keef » Fri Jan 10, 2020 10:05 am

If you unbolt it at the manifold end, get it hot before you start and use a six point socket.
For some reason they are imperial size bolt heads (3/8" from memory).
Be patient and very careful taking them out, if they snap off it's a bit of a pain in the arse.
You can either make a blank using the gasket as a template or buy one from ebay for a few quid
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Re: EGR help required MK5 transit

Postby Tony-1976 » Fri Jan 10, 2020 10:53 am

Hi guys thanks for the info so far.

Should I blank both ends??

I have circled on the pic what I mean.
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Re: EGR help required MK5 transit

Postby 00353theking » Fri Jan 10, 2020 12:54 pm

No just the end at the manifold

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Re: EGR help required MK5 transit

Postby twin wheel camper » Fri Jan 10, 2020 8:17 pm

00353theking wrote:No just the end at the manifold

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You need to be very careful with the bolts at the manifold :x
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Re: EGR help required MK5 transit

Postby wojciech » Mon Jan 13, 2020 11:05 pm

Your engine looks for engine with Bosch fuel system - is it?
In this fully mechanical system EGR has not position sensor. EGR is controlled by vacu actuator. If you blind vacu pipe between EGR actuator and inlet manifold, EGR will stay still closed. That this is the easiest way to blind EGR in 2,5D/Bosch. Ten minutes of work.
In 2,5TD/Lucas Epic EGR has position sensor - this method is wrong.
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Re: EGR help required MK5 transit

Postby Altransit » Mon Jan 13, 2020 11:17 pm

As above, don't struggle with the pipe, I simply disconnected the control rod, and cable tied the butterfly on the air intake, in the wide open position :)
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Re: EGR help required MK5 transit

Postby wojciech » Tue Jan 14, 2020 9:36 am

Altransit wrote: I simply disconnected the control rod, and cable tied the butterfly on the air intake, in the wide open position :)

Yes, it is effective way for EGR deactivation - but... easily visible.
If you insert metal ball into vacu pipe between inlet pipe and EGR actuator, no one will know that EGR is permanently closed. Image
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Re: EGR help required MK5 transit

Postby Tony-1976 » Tue Jan 14, 2020 3:54 pm

Hi Guys,

im lost a little!!

do I need to find a metal ball which will fit into the egr metal pipe?
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Re: EGR help required MK5 transit

Postby wojciech » Tue Jan 14, 2020 6:04 pm

Tony-1976 wrote:Hi Guys,

im lost a little!!

do I need to find a metal ball which will fit into the egr metal pipe?
No, Heaven forbid...
EGR is controlled by vacu from inlet pipe, membrane actuator openes EGR with this. On idle, throttle in inlet pipe is closed, so vacu in this pipe is biggest and EGR is opened.
You should to blind thin rubber vacu pipe between inlet pipe and actuator. In this case membrane actuator doesn't work and EGR is still closed. Vacu rubber diameter is inside about 3-4mmm, so you need small ball or anythink similar, which will block vacu to actuator.

Altransit wrote about similar method - block throttle in wide open position, and that will make miss vacu - EGR is also still closed.
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