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Retensioning Head Bolts - Good or Bad Idea 

 

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 Post subject: Retensioning Head Bolts - Good or Bad Idea
Posted: Mon Apr 16, 2007 7:21 pm 
Getting Side Ways
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Hi All

My EB is suffering from an oil leak from the Head Gasket on the drivers side just behind the Power Steering Pump.

I know that to do this properley I should replace the head gasket, but I have received some advice that retensioning the head bolts may solve the oil leak.

The engine is not using any water or missing or showing any signs of a 'blown' head gasket.

Please post your thoughts on whether this is worth trying and if there could be any problems.

Regards
BenJ

 

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Posted: Mon Apr 16, 2007 7:29 pm 
Stock as a Rock
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i have read that the au headbolts are alot better so you mite want to get a au head and use the bolts retensioning them i wouldnt personaly do it hope that helps

 

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Posted: Mon Apr 16, 2007 10:58 pm 
Parts Gopher
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In a word, don't. These type bolts are not meant to be re tightened and may snap if you try.

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Posted: Mon Apr 16, 2007 11:16 pm 
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Sure its the head gasket? most oil galleries are on the pass side on the head.

check the timing cover or tensioner cover. remove replace reseal?

 

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Posted: Mon Apr 16, 2007 11:17 pm 
Getting Side Ways
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Don't-thats the simple answer,they are one use only bolts.Use new bolts,with the steel gasket for the AU.

 

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Posted: Tue Apr 17, 2007 12:29 am 
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Give the area a good degrease and check the area regularly with a torch and inspection mirror - you need to make sure where the origin is.

 

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Posted: Tue Apr 17, 2007 12:37 am 
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BAD BAD BAD, when you "tension" a bolt, or torque it, the bolt actuall stretches, so to retighten it your gonna stretch it past the strongest point and snap the bolt, or even risk snapping it easily. Just buy a new set, they arent all the expensive.

 

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Posted: Tue Apr 17, 2007 12:57 am 
Getting Side Ways
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Posts: 5582

Joined: 20th May 2005

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Ride: EB1 Fairmont Ghia T5 Wagon

Location: Seven Hills, Sydney
NSW, Australia

Thanks for the replies guys.

I have already established where the leak is. There is a small node that pokes out just behind the front of the block. You can actuall watch the oil leak and then pool on the ground. Not at all pretty.

I guess I will have to bite the bullet and do the head gasket. Yes I will use the steel AU one and new head bolts etc. The car has done over 377000 ks now, and while I believe the engine has been rebuilt before I got it, it won't hurt to do the gasket now before any real dramas arise.

Just seems to be such a big job.

Regards
BenJ

 

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My respect and thanks go to - snap0964, Paulmac, SWC and MRE-50L

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