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AU i6 head issues???? help 

 

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 Post subject: AU i6 head issues???? help
Posted: Sun Apr 14, 2013 7:13 pm 
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ok i know have been gone a while but hey!

ok lads/ladies
scored me a 99auxr6 manual for 1k
but had a ( what i thought was a blown head gasket... )
full on milky oil and very little coolant

so i get it home and pull the head off ( rounded a head bolt too ffs! , that was fun to get off )
and dads smart idea to keep the inlet manifold on....

only to find the the head gasket is intact, not broken at all any where
the block has no corrosion
the cylinder walls look good and have visible cross hatching a bit oily though on piston tops
the head has no visible corrosion at all
yet there is oil/water mix in the intake ports
have run a straight edge over the head face and looks fine but then hey it could be warped still

 

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 Post subject: Re: AU i6 head issues???? help
Posted: Sun Apr 14, 2013 11:48 pm 
Getting Side Ways
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I could have pin hole corosion in the head.....???....a mate of mine has a 2001 AU2, and it had pin holes that lead to the outside....you could see green coolant ever so slowly form a puddle in #1 spark plug socket.
I had to fit an exchange head to it.

 

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 Post subject: Re: AU i6 head issues???? help
Posted: Mon Apr 15, 2013 12:15 am 
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Probably a cracked head Frank. 3 options at this point.
1. Get another head
2. Get your head inspected and any necessary repairs carried out
3. slap it back on and hope for the best.

I would suggest that most machine shops would be tooled up sufficiently enough that they could identify and quote accordingly so you will know your exact outlay for the job.

 

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 Post subject: Re: AU i6 head issues???? help
Posted: Mon Apr 15, 2013 1:26 am 
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dc_todd wrote:
Probably a cracked head Frank. 3 options at this point.
1. Get another head
2. Get your head inspected and any necessary repairs carried out
3. slap it back on and hope for the best.

I would suggest that most machine shops would be tooled up sufficiently enough that they could identify and quote accordingly so you will know your exact outlay for the job.



I know it has to be a cracked head.. cant find the f**k crack :(
or it got hot and warped a bit ?

im going to make some calls on monday and see what the cost is...

just hoping there is not bottom end damage due to the idiot driving a few times as it was :(

 

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 Post subject: Re: AU i6 head issues???? help
Posted: Wed Apr 17, 2013 12:44 am 
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so got the head pressure tested ...

looks like one of the welsh plugs under the cam corroded out...

damn wierd if you ask me!

got the head back on and it started witht eh 1st turn of the key!
less than 1/2 second of cranking

woohooo

now to drain the old sump oil
and to figure out the noise coming from the front of the rocker cover!

 

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