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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » I think it could be my injectors that are ticking/tapping ?


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Author I think it could be my injectors that are ticking/tapping ?
Gregor
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Registered: 28th Nov 03
Location: Paisley, Renfrewshire
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27th Sep 06 at 20:14   View User's Profile U2U Member Reply With Quote
Thats where it seems to be coming from , very loud.

Have tried thicker oil / oil change etc as I thought it was tappets/lifters but now I'm thinking injectors are making all the noise ?

Anyway I could clean these or sort the problem ?

Cheers
Gregor
vaux-tech
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Registered: 28th May 06
Location: Preston, Lancs. Drives: Astra SRI turbo.
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27th Sep 06 at 20:45   View User's Profile U2U Member Reply With Quote
injector tapping is something u may not be able to get rid of even by cleaning, only way to be sure is to try it!
Gregor
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27th Sep 06 at 20:52   View User's Profile U2U Member Reply With Quote
But how ?

The tapping is really loud could it still be the injectors ?
vaux-tech
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Location: Preston, Lancs. Drives: Astra SRI turbo.
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27th Sep 06 at 20:57   View User's Profile U2U Member Reply With Quote
is it a c16 or x16xe? if so, cud it be ur inlet gasket blowing? or is it defo the injectors? could try putting some cleaning stuff in with the fuel n give it a try?
Gregor
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27th Sep 06 at 21:02   View User's Profile U2U Member Reply With Quote
its an x16xe bottom end with c16xe head.

Would the inlet gasket make this amount of noise ?

Sounds like a diesel !
vaux-tech
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Location: Preston, Lancs. Drives: Astra SRI turbo.
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27th Sep 06 at 21:06   View User's Profile U2U Member Reply With Quote
possibly, any running problems?
Gregor
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27th Sep 06 at 21:07   View User's Profile U2U Member Reply With Quote
lol , dont start me on running problems.

Loads at the moment !
vaux-tech
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27th Sep 06 at 21:13   View User's Profile U2U Member Reply With Quote
any missfiring? bad idling? cutting out? if so, run the engine and pour water down the back of the inlet so ur pouring it directly where the head and inlet meet, if it sprays back at u or u get steam or anything like that from it, the gasket is gone!
Gregor
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27th Sep 06 at 21:25   View User's Profile U2U Member Reply With Quote
yes all three of them matey.

The gasket is brand new since putting on new inlet manifold ?

And if there were an air leak would i not hear hissing ?
vaux-tech
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27th Sep 06 at 21:41   View User's Profile U2U Member Reply With Quote
possibly, but if all the nuts/bolts are not tight on the manifold, thats ur leak..
Robin
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27th Sep 06 at 21:51   View Garage View User's Profile U2U Member Reply With Quote
yup. sounds gaskety to me.
vaux-tech
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28th Sep 06 at 17:06   View User's Profile U2U Member Reply With Quote
any improvement on the running issue?
Gregor
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28th Sep 06 at 19:49   View User's Profile U2U Member Reply With Quote
Took the inlet off tonight and checked the gasket which was fine.

Refitted it and made sure all the bolts were tight.

Also put injector cleaner in but its done nothing.

The tapping/clicking is coming from around the centre area of the injectors ?


Car is running miles better now , i.e driveable but this is due to me getting the speedo working and fitting a new cts
Gregor
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30th Sep 06 at 17:10   View User's Profile U2U Member Reply With Quote
vaux-tech
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30th Sep 06 at 18:45   View User's Profile U2U Member Reply With Quote
clicking, hmm let me have a think bout that one, ill get back 2u...
vaux-tech
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30th Sep 06 at 18:47   View User's Profile U2U Member Reply With Quote
is it on idle, or when u rev it towards 2-3000 rpm? is the noise present around the timing cover side of the engine or defo around the inlet manifold? could be just noisy injectors, or poss a noisy cambelt tensioner? its hard to say without hearing it for myself
Sly_SRi
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30th Sep 06 at 18:56   View Garage View User's Profile U2U Member Reply With Quote
Its much more likely to be the camshaft/tappets making the sound. try an oil treatment in it. does having the car warm or cold make any difference?

[Edited on 30-09-2006 by Sly_SRi]

Corsa C Z20Let

Black Sleeper Turbo Project
Gregor
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30th Sep 06 at 20:10   View User's Profile U2U Member Reply With Quote
Warm or cold no difference mate.

Car is definetly ticking from the the middle of the lower manifold at the injectors.

Goes away after about 3k but only because engine noise drowns it out
vaux-tech
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30th Sep 06 at 20:37   View User's Profile U2U Member Reply With Quote
ye thats the next step pal, i'd suggest the tappets if it wasnt the manifold, but without hearing the noise for myself, i could be just pissing in the wind!
Gregor
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1st Oct 06 at 19:14   View User's Profile U2U Member Reply With Quote
Tried engine flush and 70k plus oil today , no difference.

This was rebuilt head therefore I cant understand why the tappets would be fubard.

What if I were to replace the injectors ?
vaux-tech
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1st Oct 06 at 19:32   View User's Profile U2U Member Reply With Quote
as ive been sayin m8, cud be injectors, but without diagnosing it myself its hard to say. what about taking it to ur nearest vx dealer and askin one of the tech's to pop his head under the bonnet?
Jules
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2nd Oct 06 at 16:36   View User's Profile U2U Member Reply With Quote
with engine running unplug one of the injectors to see if the noise get's quieter, if it does then it's noisy injectors.
Injectors are just solanoids at the end of the day and can get noisy I suppose.
vaux-tech
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2nd Oct 06 at 17:43   View User's Profile U2U Member Reply With Quote
i dont think this may work as it will only make ur engine misfire or possibly cut out, although it could be possible.
csweatherston
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2nd Oct 06 at 17:47   View User's Profile U2U Member Reply With Quote
did you check both gaskets??....

swap some injectors round..see if the sound moves.

if its your followers you will be able to tell...its more tinny/knocky
Gregor
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Registered: 28th Nov 03
Location: Paisley, Renfrewshire
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2nd Oct 06 at 18:15   View User's Profile U2U Member Reply With Quote
If I take an injector out will it not still be clicking away ?

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