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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

3.0 head bolts

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Old Nov 13, 2010 | 06:22 PM
  #1  
Green93's Avatar
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From: Langley, BC
3.0 head bolts

Om so I am reinstalling the heads on my 3.0 for the second time. While we were turning the last 90* the bar slipped a bit and turned to about 96*. My question is, is it better to leave it as is? Or back it off a few degrees to make them all even?

Any help is appreciated.

Jason
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Old Nov 13, 2010 | 06:36 PM
  #2  
nv4runner's Avatar
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From: Missoula, MT
Once the head gasket is torqued it should never be loosened until you plan on replacing them. 6* probably won't hurt it though.
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Old Nov 13, 2010 | 06:39 PM
  #3  
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From: Langley, BC
Thanks, that's what i thought. Just wanted to make sure though. Anyone else??
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Old Nov 13, 2010 | 07:27 PM
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From: North Central, AR
No harm done. It would be far better to leave it as is than to back off on a TTY head bolt. Nice to see you are being so thorough.
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Old Nov 13, 2010 | 07:42 PM
  #5  
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From: TENN Native Languishing in Virginia
I took mine an additional 1/8th turn with no ill effects.
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Old Nov 13, 2010 | 07:44 PM
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Four for torquing them all the same and call it good. I turned mine all down about a 1/16 of a turn past 90° on the final turn when I installed them the last time. I haven't had any issues since doing so either.
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Old Nov 15, 2010 | 11:27 AM
  #7  
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From: willits
i torque my 1/4 of a turn more when I did my HG job and no problem...so I think you be fine as long you torque all the bolts the same.
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