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Head Gasket (water in oil) 

 

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 Post subject: Head Gasket (water in oil)
Posted: Sun Jan 23, 2005 6:53 pm 
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Hey,
Checked oil the other day on my '94 ef XR6 (340,000km) and discovered that it was an milky brown colour and thick white build up under the newly cracked oil cap on the rocker cover.

No loss in power, but low oil pressure and leaking welch plug. Previous owner ran it on water by the looks of it and the exhaust has a rattle. (cat I quess.)

Anyway, I intend to replace the head gasket with AU metal type. Should I look at any other areas, other than welch plugs, to be repaired once pulled apart.

Any advice would be helpful.

Cheers all.
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Posted: Sun Jan 23, 2005 6:55 pm 
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Does your car run rough and idle bad? Also, What does your oil guage do?

 

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Posted: Sun Jan 23, 2005 7:07 pm 
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Hey Revcore,
Yeah it begun to idle roughly, (reason for looking under bonnet). Hot day on short distance oil gauge drops to alert sounding.
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Posted: Mon Jan 24, 2005 8:44 am 
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I'll be doing my head gasket soon and I am going to change all the welsh plugs if they are not brass units. Easier to replace them wen you don't have to work around manifolds, incase they do go in the future......Maybe at 340000 you might need to do this....how much to they cost and look at hiow easy it will be now
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Posted: Mon Jan 24, 2005 2:40 pm 
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Posted: Mon Jan 24, 2005 3:00 pm 
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yeh my head gaskets leaking as well i noticed on the weekend im gonna change the welsh plugs as well, im just gonna save up a bit of cash and get all done at once plus get a new set of extractors ehaust and a cam put in, save on labour if is all done at once i guess
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Posted: Mon Jan 24, 2005 7:06 pm 
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Yep,
Sounds like the smart thing to whilst things are pulled apart.

Just wondering what further damage could be done while driving short distances with stuffed head gasket, as I can't afford to miss work this week and I have to get there by the car. Mainly concerned about stuffing the Head due to extra heat. It's only a small of coolant leaking in, but it's only going to get worse I quess.

Thanks all.
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Posted: Mon Jan 24, 2005 7:12 pm 
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the car will run hotter. and maybe if u leave it too long the water may get in the bearings etc and start corroding

 

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Posted: Mon Jan 24, 2005 10:44 pm 
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if u keep driving it there may be a possibility of the head warping if it gets to hot
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Posted: Mon Jan 24, 2005 11:39 pm 
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Don't flame me...
But how about just replacing the head bolts ??? Torque the crap out of them and save alittle more for a good second hand motor or rebuilt block..With that many kays it maybe worth it??? A good second hand engine can be bought for $600. It could cost you twice that if you get a mechanic to do head gasget only ??? Mind you I do all that sort of work myself....

 

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Posted: Tue Jan 25, 2005 8:24 am 
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EBXR8380 wrote:
Don't flame me...
But how about just replacing the head bolts ??? Torque the crap out of them and save alittle more for a good second hand motor or rebuilt block..With that many kays it maybe worth it??? A good second hand engine can be bought for $600. It could cost you twice that if you get a mechanic to do head gasget only ??? Mind you I do all that sort of work myself....


you have a very good point there i was thinking about this myself this
when i though about it tho i realised
1) falcons have problems with the head gasket etc, its gonna happen sooner or later so i might as well replace it.
2) it gonna cost a hell of alot more to get someone to put a motor in, even if i could do it myself i dont have the equipment to do it.
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Posted: Tue Jan 25, 2005 5:28 pm 
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I do intend on replacing the engine with one of thoses $1,500 statge 1 jobs that I saw posted on this site.(can't remeber name of workshop)

Mainly to increase trade in value for an BA XR6. Is the Stage 1 as close to the Ef XR6 output? Or is it really worth the efford and just get what I can for trade in?

Cheers
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Posted: Tue Jan 25, 2005 6:57 pm 
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Na mate just good second hand engine...The comercial or ute's have older engines in latter model's imo is the way to go...Spending good money for bad,spending too much is wasting $$....Hire an engine hoist a gregories and a few slabs with a few mates with tools NO trouble...

 

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Posted: Wed Jan 26, 2005 2:45 pm 
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Bluexr6 wrote:
I'll be doing my head gasket soon and I am going to change all the welsh plugs if they are not brass units. Easier to replace them wen you don't have to work around manifolds, incase they do go in the future......Maybe at 340000 you might need to do this....how much to they cost and look at hiow easy it will be now


Don't forget there are welsh plugs in the back of the block, you need to take the trans out to get to them. Might as well do the rear seal while your there.

 

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Posted: Wed Jan 26, 2005 3:11 pm 
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ffs dont drive it if you've got that oh so nice looking coffee cream in your engine, it's one of the quicker ways to f**k your bearings

get the head gasket replaced, flush the block and oil galleries out with diesel (disconnect the ignition, fill the sump with diesel, crank it for a few seconds, and repeat the process till all of the s**t is out) then refill the sump with the engine oil of your choice

 

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