ZT V6 (Poor Running) Crankcase Breather / Intake Stripdown

[Delirious]

DSCN0488.jpg
all back in

so what happened then, well it started straight away no issues
coolant is no longer leaking and the engine is running much smoother

i have now also fitted some of Dave's sexy new VIS motors

Now the Car does run Much Much Much Better, its a lot smoother and was a lot more powerful, once the VIS motors went on it became even more powerful, however its still nowhere near 190bhp i may be cracking around 150 now instead of about 100ish before all of this

but.....
the misfire is still present and no different
So again not cured the problem i wanted, but cured loads of others

I'm Pretty Sure This Is Going To Be The Front Bank Timing
so that is next for me
i'm coming to the Thryberg meet o the 21st and ill get one of you nice chaps to confirm that the misfire is still happening like before
and its not just a bit of rough running now so T4 Needed Next
and then i'm not sure, ill have to get the timing checked

But Other Than That, Its Much Better
So that's it For now, i'm going to do the clip on the fuel filter next and the airbag wiring under the seats over the next week or so so ill post those on here too once i've done them

thanks for reading and commenting and i hope its been of some use

[Salad-Dodger]

Hi Doc. Many thanks for all that very useful information.
I've just got my 190 and I'm just about to go through all of the same and its really useful to have the pics and tech on the whole opp.
Like you, I'm going for the timing when I change the belts. Don't forget that the timing on the 190 is not the same as the other V6s. Apparently the tools are different.
I think you have a small ignition problem from where I'm sitting but the T4 session will tell it all. Good luck with it. Steve

[minimutly]

Pity you didn't check out the cam timing when you had the covers off, you could at least have compared front/back cylinders.
Certainly sounds like you have an issue.

[Delirious]

Naaa, ill do most stuff myself but the timing on this is deffo going to be done by someone else, apparently bigruss suggested that quite a few were incorrectly set at the factory, when I had my belts done the pullys would have been locked and the belts replaced, unfortunately we didnt check if it was correct, typical I got one of the few that was wrong, but im pretty convinced its timing as its a front bank only problem

[Delirious]

hi so quick update, ive been to the thryberg meet today and bigruss very kindly put my car on the t4
happily all the work that ive completed was not in vain as the misfire no longer shows on the t4 so problem fixed and im over the moon
im not sure exactly whats fixed it, but something did
anyway this has now spured me on to now complete the jobs on the car, so next will be the paper fuel filter seals and clip so stay tuned for that
thanks guys for all your support and ideas

[Arctic]

Hi Kev.
I have followed this with interest glad to hear you finally got it sorted and thank you for sharing the photo tutorial with us most appreciated Arctic

[Arctic]

Hi Kev.
I have replied to your PM hopefully I will hear from you before I go to bed, or in the morning I will check my PM and emails cheers Arctic.

[e30325itourer]

Why is this not in the how to section? It took me ages to search back and find it.


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[Delirious]

hey guys

i thought i would update this thread (as i hate it when people dont come back to the forum and tell you what the fault is once they have it fixed) concerning the original fault which was the misfire and cat destruction, now it cleared after all that work was done according to the T4... so all good however the burning of cats did not change and i'm now on my 6th and its also currently rattling and im back with the cat code so no change there lol, the physical misfire rumble/feeling always remained and never improved
Until.................
i managed to get a hold of the proper engine timing tool kit with the correct 190 plates a couple of months ago
so we set out to check it and found that only the one camshaft was in the correct position
so we put that right and set it up exactly how it should be
and guess what............... the rumble the misfire etc etc has finally gone
and oh my does it shift now, massive improvement across the board in acceleration and power and i no longer feel like im sitting in a vibrating diesel motor lol
so yes i found problems but the main one was the Engine Timing being very wrong, possibly from the factory as im certainly not the first with that problem, now for those of you keen eyed who will see i had the belts changed this was not set incorrectly by Andy , as he cloned what was there originally so i want to stress that its NOT something he has done wrong, it was incorrect before hand
so there you have it, problem is fixed and i can now buy a cat and hopefully still have it 12 months from now lol
i hope it may help some of you out who may be scratching your heads over something similar
cheers kev

[kaiser]

It would not be the first time somebody has "cloned" the timing, only to get it wrong. So don't take anything for granted, check the timing marks.
Glad you got to the problem, eventually.