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Australian Falcons Discuss the australian born and bred models here. Includes the 80's 90's and present day Falcons offered by Ford Oz.

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Old 09-11-2004, 04:01   #1 (permalink)
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Head Gasket

I know this has probably been done many times before, but I need toconfirm a few things.
My 1990SPAK has now done 200,000Ks, It has been services by Ford all its life and is now using a very small amount of water each day. No signs of a leak or water in the oil. I have oil leaks from below the head on both sides of the engine.
Do you think that I have :
a) Blown head gasket
b) possible loose head bolts or broken ones

I think its time to do the head and I have heard that its better to use an AU head gasket and new AU bolts..

Any coments or assistance would be appreciated.
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Old 09-11-2004, 04:20   #2 (permalink)
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Re: Head Gasket

just a question (i dont know your mechanical expertise, so i think its relevant.) are you sure its at the bottom of the head, its not the rocker cover Gasket is it?

havent seen oil leaking out between the block and head yet......
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Old 09-11-2004, 04:33   #3 (permalink)
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Re: Head Gasket

it can leak oil from the passenger side the oil galleries are there.. The drivers side is most likey from the timming cover seal or tensioner seal, usually only water drivers side
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Old 09-11-2004, 04:33   #4 (permalink)
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Re: Head Gasket

Oil can and does leak between the head and block.
It could also be the welsh plugs which are just below the head (leaking water, that is).

And yes, it is a good idea to use an AU gasket, and no, new bolts are not needed.

Rick.
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Old 09-11-2004, 06:40   #5 (permalink)
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Re: Head Gasket

Quote:
Originally Posted by Soxx
And yes, it is a good idea to use an AU gasket, and no, new bolts are not needed.
Pre-AU head bolts are torque to yield which are really only good for 1 use, any decent mechanic will tell you repalcing them is a must. AU head bolts however can be reused.
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Old 09-11-2004, 15:16   #6 (permalink)
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Re: Head Gasket

Quote:
Originally Posted by EDXR8
Pre-AU head bolts are torque to yield which are really only good for 1 use, any decent mechanic will tell you repalcing them is a must. AU head bolts however can be reused.
Yeh, I've heard it all before, you'll find it's only the mechanics who wish to pocket more money who recommend this.
I wouldn't be able to count how many rebuilds I've done using the original head bolts.

Rick.
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Old 09-11-2004, 16:37   #7 (permalink)
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Re: Head Gasket

They wouldn't be pocketing much money as the bolts from Repco sell at $2.69 each retail and $2.17 trade.
I'd be changing them ... You wouldn't want to be doing it all again :(

Then again I suppose they could buy a beer with $4.24 :D
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Old 09-11-2004, 16:47   #8 (permalink)
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Re: Head Gasket

That's if they are charging the correct amount to the end user.

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Old 09-11-2004, 17:33   #9 (permalink)
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Re: Head Gasket

Quote:
Originally Posted by WhiteOx
They wouldn't be pocketing much money as the bolts from Repco sell at $2.69 each retail and $2.17 trade.
I'd be changing them ... You wouldn't want to be doing it all again :(

Then again I suppose they could buy a beer with $4.24 :D
Except there is 14 of them so it's more like a Slab of beer
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Old 09-11-2004, 17:47   #10 (permalink)
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Re: Head Gasket

Quote:
Originally Posted by Soxx
Yeh, I've heard it all before, you'll find it's only the mechanics who wish to pocket more money who recommend this.
I wouldn't be able to count how many rebuilds I've done using the original head bolts.

Rick.
Righhhtt... you better take a look at those bolts the next time.

You probably can reuse them and it might work, but seeing old head bolts out of a EA you can actually see they have stretched at the bottom of the bolts.

Also AU bolts have the thread further up the bolt meaning there is less chance of you hitting the end of the thread when tightening them up.
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