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Changing A Head Gasket; on a Hyundai Accent
Topic Started: Mar 3 2008, 09:35 PM (284 Views)
ScoobaJon
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J
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The head gasket's just blown on my brothers '99 Hyundai Accent. Hes thinking of scrapping it but i've very tempted to have a crack at a repair. I've watched a few videos on youtube and it seems simple enough. :unsure: What do you guys think. Is it worth?

Cheers :)
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myblackwrx
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If he's going to scrap it you may as well have a go.
nothing to lose but plenty to gain imo.
[GK-customfield]Paul[customfield-GK]
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Jimbob
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fancies your mum...
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noramally a pricey job id say due to labour, so if you do it yourself it aint oo bad, theres money to be made in buyin cheap cars which need the hg doin, until u find a crack in the head,then it gets pricey, it all depends how vad its gone, it may have warped the head,
[GK-customfield]jimothy[customfield-GK]Posted Image
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ScoobaJon
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myblackwrx
Mar 3 2008, 08:44 PM
If he's going to scrap it you may as well have a go.
nothing to lose but plenty to gain imo.

Yeah my thoughts exactly. I would happily do it just for the experience so if I can make a few quid thats a bonus :)

How would I know if the heads are warped jim?

According to him, he only drove it for about a mile after the gasket blew and its not a powerful engine (a 1.3) so i'm hoping theres no internal damage. :unsure:
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Jimbob
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u will have to have it pressue checked which will cost u about 80 quid
[GK-customfield]jimothy[customfield-GK]Posted Image
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ScoobaJon
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Oh ok. I was hoping the whole job would only come to about that :lol: . It still drive ok though, it just blows out a lot of smoke and cut out intermittently so hopefully the cylinders are still compressing correctly.

Thanks for the help :thumbsup:
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cisco
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Flat4x4xFar
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Its worth having a go to fix it just price up the gasket kit and stretch bolts if required and to be safe a cambelt before you start

As Jim says best to get it pressure checked but the amount of heads I have sent off to be done the majority have been ok

Is it losing water and or mixing with the oil?

We have a tester at work to check it, bit like a pregnancy tester yes or no :lol:
[GK-customfield]Manny[customfield-GK]Posted Image
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ScoobaJon
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I don't think its losing water but it is mixing oil with it as apparently there was quite a bit of foam under the oil cap. Whats a stretch bolt btw? :unsure:

I figured it would just be a case of undoing all the bolts in the cylinder head, lifting it off, scraping the old gasket off, putting the new one on, lubing it up and bolting the cylinder head back down then doing a service for good measure. Does that sound about right?

I'd like to do the cam belt but am unsure how to line everything up again. Is it difficult?

Sorry for all the questions. This will be the first time I’ve opened a car engine :unsure: :D
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Jimbob
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fancies your mum...
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url have to slip the cambelt off to get the head off, so u may aswell change it while ur there, stretch bolts are your head bolts, some makes u can reuse the old bolts up to 3 times, but u may have 2 just buy some new ones. a gasket kit with stretch bolts will prob cost u about 40/50 quid but ive never done 1 on a accent,so im unsure, plus 80 for a pressure test, i reckon 200 quid max and a thew hours of your time,
[GK-customfield]jimothy[customfield-GK]Posted Image
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NeoMagic
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Whip the head off bang a new gasket on with new stretch bolts and see how it goes, if it leaks again scrap it.
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sparkyspark
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If the heat is warped a skim will cost around £30. What you need to know is why it went is the first place.

For example if it was an over heat why did that happen.

Also make sure you have the tools required for example the head bolts may not be a stadard bolt.
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Jimbob
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fancies your mum...
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where do you know thatl do a head skim for 30 quid? i fort 50 was the cheapest ive heard....(in cornwall mind)
[GK-customfield]jimothy[customfield-GK]Posted Image
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sparkyspark
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Last time I asked was £26+VAT but that was a while ago so I estimated £30+VAT, can't remeber where it was I got the price tho.

That price was with all the bets removed from the head my self.
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TRDcelica
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Bringing home the bacon has never been so fun!!!
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Speak to Robinsoms engineering of the Ferndown Ind Estate! Theyre going to be doing my flywheel on friday and they are very reasonable! £30 to get it re-machined, I imagine it'l be similar costs! They do all sorts of engine reconditioning!
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ScoobaJon
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Can you literally just slip the cam belt off and put a new one on or will the cams need realignment?

Apparently it did overheat a couple of months ago due to lack of water in the radiator so looks like it might need a skim :rolleyes:
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Jimbob
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fancies your mum...
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not really, itl need a skim if its warped, depends how hot its got and how often, as for cambelt url have time it all back up when u put it back together,url need a belt route diagram, ur can prob find one online if not im sure manny can help,
is rad leaking? id change the thermostat too while your there,cos when they stick closed or open the emgine will either stay cold all the time or it will overheat easy,
[GK-customfield]jimothy[customfield-GK]Posted Image
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cisco
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Flat4x4xFar
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If you can PM me the vehicle Reg and details I can print off the cambelt fitting instructions and also all the torque settings :)

I can also price up a gasket set and check if it uses stretch bolts :)

We use D & R James Engineering on the Nuffield for our head work
[GK-customfield]Manny[customfield-GK]Posted Image
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ScoobaJon
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That'd be great mate, if you don't mind. PM sent :)

I did have a look online but couldn't find anything. I have feeling it is down to a radiator leak though as, apparently, the car was empty when it over heated. Unfortunately it’s in Cambridge at the moment so i haven't had a chance proper look at it. Hopefully it won't be anything that some Leak Fix can't sort B) If it runs long enough for me to save up for a scooby, i'll be more than happy. :D
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sparkyspark
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My advice is to take loads of photos as you go so if you forget any thing you can refer back to them.

There should be marks to line that cambelt up with, to make them more easy to see i use a tipex pin (other correction fluid pens are available).
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