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cracked head gasket
https://auszookers.com/forum/viewtopic.php?f=5&t=19913		 Page 1 of 1
Author:  4x4ish [ Fri Mar 11, 2011 10:51 am ]
Post subject:  cracked head gasket
95% sure i have a cracked head gasket in my 1.6efi vitara. will take it to suzi auto in next few days to get confirmation.

i keep coolant toped up, why do they crack? please list all the reasons youz know and i will try to investigate what happened and fix it so it doesn't happen again.

maybe others can benifit from this thread to avoid it happeneing to them coz its a pure waste of money. Not too happy!

thanks
Author:  JrZook [ Fri Mar 11, 2011 10:57 am ]
Post subject:  Re: cracked head gasket
blown headgasket or cracked head?
Author:  4x4ish [ Fri Mar 11, 2011 11:05 am ]
Post subject:  Re: cracked head gasket
most of the time its a head gasket.
Author:  mondo [ Fri Mar 11, 2011 11:10 am ]
Post subject:  Re: cracked head gasket
there is usually an underlying reason as to why a head gasket fails, this is usually due to a warped head, which then creates a gap the gasket cannot fill usually around cylinder 2 and 3. this is what i found after a warped head
Author:  SuziBlu [ Fri Mar 11, 2011 11:15 am ]
Post subject:  Re: cracked head gasket
Most of the time its heat related.
Author:  Ben_Sierra [ Fri Mar 11, 2011 12:06 pm ]
Post subject:  Re: cracked head gasket
On my Sierra it was a dodgy repair by a previous owner, caused it to go a couple of months after I bought it...


The cylinder head bolts were barely finger tight! :roll:
Author:  ball [ Fri Mar 11, 2011 12:54 pm ]
Post subject:  Re: cracked head gasket
Ben_Sierra wrote:
On my Sierra it was a dodgy repair by a previous owner, caused it to go a couple of months after I bought it...


The cylinder head bolts were barely finger tight! :roll:


An alloy head that has lost it's hardness due to severe overheating can cause the head bolts to lose their clamping ability.
Author:  Ben_Sierra [ Fri Mar 11, 2011 1:05 pm ]
Post subject:  Re: cracked head gasket
ball wrote:
Ben_Sierra wrote:
On my Sierra it was a dodgy repair by a previous owner, caused it to go a couple of months after I bought it...


The cylinder head bolts were barely finger tight! :roll:


An alloy head that has lost it's hardness due to severe overheating can cause the head bolts to lose their clamping ability.


I changed the gasket over a year ago and no dramas since, so I can't see the head being damaged...
Author:  royce [ Fri Mar 11, 2011 6:59 pm ]
Post subject:  Re: cracked head gasket
its just what they do, no metal can cope with going hot cold hot cold forever
Author:  4x4ish [ Sat Mar 12, 2011 3:31 am ]
Post subject:  Re: cracked head gasket
something triggered it, i need to stop the cause so it doesnt happen after its fixed.
Author:  4x4ish [ Sun Mar 13, 2011 4:32 am ]
Post subject:  Re: cracked head gasket
ok ill start the list from what little i know:

1. coolant leak through faulty/ old hose.
2. radiator blocked or leaking.
3. thermostat not opening up properly and letting water flow though properly.
4. a hose could be blocked somewhere slowing water to flow properly.
5. water pump is faulty.

Royce, what u said could be true but its a last option after all the other things prove to be non faulty.

thats all i know. any addons to this?
Author:  Scrawny [ Sun Mar 13, 2011 4:38 am ]
Post subject:  Re: cracked head gasket
As it's been stated already, headgaskets usually blow due to an overheat at some stage. What are the signs showing on your one? Milky oil? Bubbles in radiator?
Author:  SuziBlu [ Sun Mar 13, 2011 5:20 am ]
Post subject:  Re: cracked head gasket
Good spot to look is inside the oil cap, where you take the cap off to top up the engine oil, if that has cream there, blown head gasket more than likely.
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