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Head Gasket Failure (Read 7380 times)
Desperate Den
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Re: Head Gasket Failure
Reply #15 - 04. Apr 2011 at 14:46  
Kevin Wood wrote on 04. Apr 2011 at 14:11:
Add to that a torque wrench or two and perhaps an angular gauge for head bolt tightening.

Kevin


<<Thicko question alert>>>

Having used the torque wrench to tighten to the specified figure, what is the purpose in then further tightening to a specified angle?
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Jimbob
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Re: Head Gasket Failure
Reply #16 - 04. Apr 2011 at 14:50  
Some bolts stretch (by design), so an actual torque value is irrelavent.

heads are something like 30nm, then 90 degrees, then 90 degrees, then 90 degrees.
(and bloody hell, is that tight to do up!)
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« Last Edit: 04. Apr 2011 at 14:52 by Jimbob »  
 
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Desperate Den
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Re: Head Gasket Failure
Reply #17 - 04. Apr 2011 at 15:40  
Jimbob wrote on 04. Apr 2011 at 14:50:
Some bolts stretch (by design), so an actual torque value is irrelavent.

heads are something like 30nm, then 90 degrees, then 90 degrees, then 90 degrees.
(and bloody hell, is that tight to do up!)



Understood - thank you James. Cool Thumbs Up!
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Kevin Wood
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Re: Head Gasket Failure
Reply #18 - 04. Apr 2011 at 16:50  
Yep, the initial torque just gets it to a baseline where all the "slack" has been taken out. Angle tightening then theoretically adds a defined amount of "stretch".

Kevin
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