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Author Topic: i think headgaskets gone..  (Read 2027 times)

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mac b

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i think headgaskets gone..
« on: 02 January 2011, 21:49:30 »
Hi All, im still new to forum and its unfortunate i have to ask for help so immediatly

I think the headgasket has gone but its a wierd one, here are the key points:

AA mans compression test came back all perfect
oil/water has not mixed together
it is running on 3 cylinders
oil burinig smell/smoke coming from manifold side
It is pushing out WHITE smoke - thats what has made me alert!

I have changed the plugs but no joy - it is still running on 3 cylinders, and kicking out white smoke

AA man also pointed out that the spark plug coilpack/module that sits on top of the rocker cover could have packed in

What worries me the most is the white smoke. I used to run a Sapphire cosworth many moons a go which lost power and kicked out white smoke which kead to a NEW head and failed headgasket and cost a fair wack

thanks in advanced guys  :y
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millwall

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Re: i think headgaskets gone..
« Reply #1 on: 02 January 2011, 21:53:54 »
oil burning smell = rocker gaskets  which is probably cause of misfire :y
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Welung666

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Re: i think headgaskets gone..
« Reply #2 on: 02 January 2011, 21:54:53 »
Are you losing oil?
Are you losing coolant?
Are either of them a different colour to normal?
Are the rubber boots on the coil pack complete and not cracked?

The oil/burnig smell could be the cam cover seal gone and leaking oil onto the zorst manifold. It could be the coil pack causing the miss. Did the useless knob AA man find any fault codes?
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Andy H

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Re: i think headgaskets gone..
« Reply #3 on: 02 January 2011, 22:04:41 »
As Welung666 says a small oil weep from the cam covers can cause a big oily smell and a misfire.

A misfire can cause unburnt fuel (and air) to go down the exhaust to the catalytic converter (which seems to be one way of producing clouds of exhaust vapour)

Fix the cam cover gasket and misfire before condeming the headgasket.
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shane1000

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Re: i think headgaskets gone..
« Reply #4 on: 02 January 2011, 22:56:47 »
i'd go with what wellung says... he's just spent a few hours doing my head gasket and what a brilliant job !!  :y
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mac b

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Re: i think headgaskets gone..
« Reply #5 on: 03 January 2011, 11:03:27 »
thanks for the response guys

I did the rocker gasket a while a go and checked it again yesterday and the seal is still good, no leaks, the oil burning/smoke smell is coming from further down. ign module could be a possibility how can i test that?

What about the white smoke? what could that be as it looked like i set the bush behind the car on fire  ::)
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mac b

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Re: i think headgaskets gone..
« Reply #6 on: 03 January 2011, 11:05:19 »
Quote
Are you losing oil?
Are you losing coolant?
Are either of them a different colour to normal?
Are the rubber boots on the coil pack complete and not cracked?

The oil/burnig smell could be the cam cover seal gone and leaking oil onto the zorst manifold. It could be the coil pack causing the miss. Did the useless knob AA man find any fault codes?

i havent checked the rubber boots yet,

oil and water are not being lost and are normal colours, oil is fresh
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mac b

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Re: i think headgaskets gone..
« Reply #7 on: 03 January 2011, 11:07:04 »
AA boy didnt check fault codes, i do know the lambda sensor needs replacing though
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mac b

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Re: i think headgaskets gone..
« Reply #8 on: 03 January 2011, 14:29:00 »
update and pics!

no smoke from side of manifold anymore, white smoke still there its looking like it could be the coil module, have a look it seems like the internals could be burnt out?



slight tear



Have a look at the exposed metal on the sides







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Welung666

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Re: i think headgaskets gone..
« Reply #9 on: 03 January 2011, 15:01:36 »
Those boots look wet! Are the plug wells clear or do they have fluid in them?
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mac b

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Re: i think headgaskets gone..
« Reply #10 on: 03 January 2011, 15:34:04 »
the boots are wet with oil, the spark plugs are wet, the AA man bought that up with me too - he goes there is oil down the spark plug hole
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PhilRich

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Re: i think headgaskets gone..
« Reply #11 on: 03 January 2011, 15:43:53 »
It appears your Cam gasket is leaking oil into the plug orifices! Also, it looks like one of the plug cover boots has a piece broken off? This could cause spark tracking & if one of those plugs is/was a loose fit, it would allow oil into the combustion chamber thereby making smoke? :-/
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If it ain't broke keep fixing it 'til it is!

Welung666

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Re: i think headgaskets gone..
« Reply #12 on: 03 January 2011, 15:51:08 »
Quote
It appears your Cam gasket is leaking oil into the plug orifices! Also, it looks like one of the plug cover boots has a piece broken off? This could cause spark tracking & if one of those plugs is/was a loose fit, it would allow oil into the combustion chamber thereby making smoke? :-/

Exactly right Phil :y

Clean all the oil out of the plug wells. Make sure the plugs are fitted correctly. Remove the rubber boots and clean well with warm soapy water and dry thoroughly, refit them and the coilpack and try again :y

You'll need the cam cover gasket re-doing with a genuine Vx seal, o rings and black sealant and torqued down to the correct setting otherwise it will just leak again.
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mac b

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Re: i think headgaskets gone..
« Reply #13 on: 03 January 2011, 16:32:38 »
guys, cheers for pinpointing! experts or what  :y

it hasnt been long since fitting the rocker cover gasket, saying that i didnt use any sealent or torque it down as i do not have a torque wrench...

wonder why its still running on 3 cylinders  :-?

Welung666 i am only down the M40 from you in slough, could you come out and have a look and fix please? :P
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Welung666

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Re: i think headgaskets gone..
« Reply #14 on: 03 January 2011, 16:36:40 »
Quote
guys, cheers for pinpointing! experts or what  :y

it hasnt been long since fitting the rocker cover gasket, saying that i didnt use any sealent or torque it down as i do not have a torque wrench...

wonder why its still running on 3 cylinders  :-?

Welung666 i am only down the M40 from you in slough, could you come out and have a look and fix please? :P

Gladly up until you mentioned you were in Slough ;D No offence meant but it would be a very cold day in hell before I step foot in Slough again ;D

The misfire is because the oil is leaking the spark away from the plug and onto the head :y
« Last Edit: 03 January 2011, 16:37:42 by Welung666 »
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