Failed Balance Chain Tensioner

Dave_Gilbert

well my flexi is looking abit tatty so im open to ideas.

chill

Your cat will be further down pipe I would of thought

Dave_Gilbert

its a manicat. manifold with cat in it.

then i have a flexi to straight through pipe to a small powerflow back box..

dewismotorsport

I have a standard z22se cat lying around from when I took it off mine, so if you do go Astra manifold and adaptor pipe that could be welded in to keep it mot friendly. Only want scrap value for it

Dave_Gilbert

cheers, i will keep that in mind, im not even 100% sure what the crack is yet, i will get the heat shield off in the morning hopefully.
thanks alot for trying to help me out.

Dave_Gilbert

Got heat shield off and to be honest its hard to see down the bottom. I had to take photos but cant see any cracks. 🙁

Dave_Gilbert

it looks all good to me.

i think the dark patches are just shadow

chill

I think the weak point is where all the collectors meet on top

Like this

Is it cold ?
If so the crack will be more obvious
When it is cold start up and see if you can here clicking,
If not looks like it's not manifold

Dave_Gilbert

No nothing like that. My cats right there so looks different and probably there fix for it.

Looks like im going inside. When the weather lets me.

chill

It could be the cat has come lose

jimmymac

Ive got the exact same noise ...and i mean exact same rattely ticking pattern as yours coming from my vx220, It happens when cold an disappears when the engine gets to 90º. Evocarlos did my chains last year (big respect for the undertaking) so I'm puzzled as to what this is. I've got a local garage on the case this afternoon Investigating. Will report back.

Dave_Gilbert

Its all your fault then @[deleted] hahahha.

He did my chains aswell. Did you have fai chains ?

Dave_Gilbert

You will have to let me know what the garage says. As I really dont want to take the side casing off, I keep making excuses not to.

But today was a good excuse. I took my girlfriend to do her theory test (which she past). So I dont mind leaving it for another day hahaha.

evocarlos

jimmymac said:
Ive got the exact same noise ...and i mean exact same rattely ticking pattern as yours coming from my vx220, It happens when cold an disappears when the engine gets to 90º. Evocarlos did my chains last year (big respect for the undertaking) so I'm puzzled as to what this is. I've got a local garage on the case this afternoon Investigating. Will report back.

i got septicemia from your vx220 lol had something stab me in the finger and it went bad lol
would be good to know whats found as it may also help dave

Dave Gilbert said:
Its all your fault then @[deleted] hahahha.

He did my chains aswell. Did you have fai chains ?

it was gm chains
if its to do with the chains it will be tensioner related i can't see how it could be anything else not in such a short time

Dave_Gilbert

Could I pull the tensioner out the back and have a look? I thought if it was the same kits it would be the same fault hmmmmmm

I dont blame you carl really, only messing hahahha. With all the chains being new I would say it must be something that the chains run, like the water pump or oil pump? Not sure soooooo. I think hopefully see what this garage finds on the vx220. Or I investigate tomorow.

evocarlos

Dave Gilbert said:
Could I pull the tensioner out the back and have a look? I thought if it was the same kits it would be the same fault hmmmmmm

I dont blame you carl really, only messing hahahha. With all the chains being new I would say it must be something that the chains run, like the water pump or oil pump? Not sure soooooo. I think hopefully see what this garage finds on the vx220. Or I investigate tomorow.

you could but the engine would have to be in tdc before hand so it dont jump not sure what you would gain from removing it other than stripping it down and cleaning it out then refitting

Dave_Gilbert

It shouldt be dirty really then. Oil was new just a week or so before you fitted the new chains then I did the oil again last week. It has been serviced regularly before I got it and every 3000/4000 miles since iv owned it. So like you say no real point. So in that same thinking is there any point taking the side off. I dont know now. Anyone wanna buy a scrap vectra c. Hahah

Dave_Gilbert

jimmymac said:
Ive got the exact same noise ...and i mean exact same rattely ticking pattern as yours coming from my vx220, It happens when cold an disappears when the engine gets to 90º. Evocarlos did my chains last year (big respect for the undertaking) so I'm puzzled as to what this is. I've got a local garage on the case this afternoon Investigating. Will report back.

Any news from the garage??

evocarlos

only one thing i spotted from your pics
the stud at the chain end of the manifold is new its shiny the rest are rusty

i think you need to remove the cover and see whats going on

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