2.0 ecoblue injector fitting

[theoTD]

Hello all,

So I'm having trouble fitting injectors on a new (to me) engine. So i'm replacing a 2.0 ecoblue (YMR6) with a newer 2.0 ecoblue in my 2017 van and was hoping as they dont seem to have any issues, use the injectors that was in the old engine.

Ive taken them out of course, easier than I thought it would be, and have tried getting them in the new one. I don't know if I'm being stupid, or have missed some step but they do not want to seat the full way in. They get about half way and come up against pretty solid resistance. I've tried greasing them up alot, twisting etc.

This made me think that perhaps there was some kind of mistake/oversight that this newer engine would need a slightly different model of injector. I checked part numbers best I could and they are all cross compatible as far as I can tell, the only one ive not checked is the cylinder head because it looks like the part number is buried in under the timing cover but doing a bit of googling it seems they are pretty compatible throughout the various ecoblue engines too.

Anyway hopefully its something obvious and simple im just not doing.
Any thoughts/help is greatly appreciated.
Thanks,
Theo

[MWH]

Are the bores the injectors sit in clean? If they have corrosion it might be enough to stop them sliding in.

[theoTD]

thats an idea yes, i'll double check that.

But was taking a brief look again and it seems like the copper washer was getting some fairly even marring and scoring of the surface where ive tried to twist it in which would suggest the bore is somehow to shallow more than just possible corrosion.

I've gotten a bit frustrated with it tbh so I will reset, clean everything to be sure its not corrosion or carbon and try again. I'm just a bit wary of forcing them and causing damage could really do without having to replace otherwise functioning injectors.

[MWH]

I changed my injectors recently on 66 plate ynr6 and seem to recall the bore narrowed at the bottom. I had to clean it all out thoroughly including the where the copper washer sat at the bottom or the injector wouldn't drop in. I'm assuming all the old copper seals are out, not stuck at the bottom.

[theoTD]

I'll be taking a look later today, unfortunately haven't had much of a chance recently.

I'll give the bores a good clean, it must just that be seen as you had similar experience.

Thanks for the help! Any tips on cleaning out the bores? Manual says brake cleaner and nothing harsh on the injectors so I'm assuming same goes for the bores although I suspect I might be being to cautious with all this.

[MWH]

Can't really clean the tips of the injectors as to small and delicate. The shaft I just used scotchbrite and brake cleaner, I laid the injector on a towel while I did it. The actual bore I used a claw tool that you use for picking up dropped stuff. I clamped it on to enough scotchbrite so it was a tight fit and went to work with it, also it cleaned most of the injector seat.

I got some special injector fitting grease so hopefully if they need to come out again they will!!

[MWH]

Any progress?

[theoTD]

Sorry for not getting back to you! Ended up being busy and away from the van for awhile.

Before i left though i had someone who has a fair bit more experience with engines than me take a look. Defiently came to the conclusion that the bore for the injector isnt the same. So when im back im going to be taking a look at the cylinder head to check its part number against the old engine and see whats going on if i can. I believe it involves taking of the timing cover as it looks like according to pictures online thats where the part number is stamped, bit annoying.

Hopefully i'll get to the bottom of it that way as unfortunatly my googling hasnt resulted in any other answers. Made me wonder whether the bores needed resizing or something. Hopefully i'll know end of month.

Edit: missed out details for context.