XUD9 Timing - again

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xsaras4ever
(Donor 2016)
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Location: Bretagne,France
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XUD9 Timing - again

Post by xsaras4ever »

Hello to all.

We have finished putting the Citroen ZX 1.9d engine into our Peugeot Boxer. Plenty of work it was. Apart from changing the engine you have to change the flywheel and the sump and the oil-pan on the oilpump also. Also , the boxer has a remote diesel filter so the housing for the diesel heating system needs to be changed too. Also the engine mountigs are different.

Anyway.

We bled the injectors and fired it up.

It popped a bit and then ran.

It runs un-evenly and smokes and tries to eventually die - its better if you rev it.

We trust the seller of the engine so instead we suspected the timing.

At this point we should mention that we swapped over the injection pump from the previous engine - an engine that had sucked its oil and run at mega revs - we stopped it before it exploded.

Unfortunately we forgot to mark the pump against the aluminium casing that it sits in so we gave it a best-guess effort based on the marks that the washers left on the casing.

We have re-checked the timing and it is spot on.

When we crack open an injector it runs a bit better (still uneven) and worse when you close the injector. Same with and of the 4 injectors so its not an injector problem.

Must be an injection pump timing issue.

We are being lazy here - do we move the pump closer to the block or farther away - based on our symptoms ?

Moving the pump will mean refitting the timing belt as either way we either gain or lose a tooth - so we are trying to avoid doing it twice.....

Thanks in advance
Jumper 2.5d
406 Phase 2 Estate, Hdi
Fiat 500 (2009)
1997 Audi A3 tdi
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wheeler
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Re: XUD9 Timing - again

Post by wheeler »

If you are wanting to adjust the pump timing there should be no need to disturb the timing belt.
You slacken the pump mounting nuts & rotate the pump on the elongated mounting holes in the pump.
To do it properly you need a DTI that screws into the back of the pump but you can do it by trial & error just moving the pump a little bit at a time.
Or am I missing what you are trying to do here?
xsaras4ever
(Donor 2016)
Posts: 391
Joined: 07 Aug 2013, 13:43
Location: Bretagne,France
My Cars: Peugeot 205 TD
Citroen Jumper 2.5D
Peugeot 406 Estate 2.0 Hdi
Citroen Saxo Ph2 1.1
Audi A3 1.9D
Pembleton 3 Wheeler
1959 Kelsey GT
1957 Fordson Power Major Tractor
1964 Nuffield 4/60 Tractor
1967 Nuffield 10/60 Tractor
1963 Allis Chalmers ED40 Tractor
1984 JCB 3CX
x 39

Re: XUD9 Timing - again

Post by xsaras4ever »

Thanks Wheeler, did exactly that and now it runs fine.
It just passed its emissions for CT with flying colours.

Didn't have a tool, hope its all ok (in the long term)
Jumper 2.5d
406 Phase 2 Estate, Hdi
Fiat 500 (2009)
1997 Audi A3 tdi
Peugeot 205 td
Fordson Major Tractor
Nuffield 460 tractor
JCB 3cx
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Pug_XUD_KeenAmateur
(Donor 2018)
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Re: XUD9 Timing - again

Post by Pug_XUD_KeenAmateur »

not sure if the Pump Timing will be same between an XUD 1.9na and a 1.9TD, but I've always based my calculations on being able to get a 6.5mm Drill bit beneath the forward lower mounting (the easiest one to reach).
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Injector Pump Timing 2722.JPG
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kenbw2
(Donor 2017)
Posts: 271
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Current:
2000 Citroen Dispatch 1.9TD: daily driver
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1996 Citroen Synergie 1.9TD: donor car
1997 Citroen Xantia 2.0 16v: Aussie play thing

Former:
1999 Citroen Dispatch 1.9D DW8: got a new owner
1994 Peugeot 106 1.5D: killed by a deer
1996 Peugeot 106 1.5D: cremated
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Re: XUD9 Timing - again

Post by kenbw2 »

A 1.9D N/A in a Boxer, that must be rough. I have a hard enough time with the 1.9D in my Dispatch.
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