3.0 head bolt torque
07-05-2009, 10:57 PM
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3.0 head bolt torque
Hello yotatech family,
i have been a long time reader and have gotten a ton of info over the years,and have never had a need to post a question untill now.i am not new to toyota just have a simple question.
i am currently rebuilding a 92 3.0 from the groung up,and was wondering when u guys have done head gasket jobs on your 3.0's,do you mark the head bolts to identify your 90 degree torque(like the chiltons manual says).Or do you use a torque angle gauge to identify the 90 degree torque?And what is more accurate?
P.s
posted in newbie section and could not get a answer.
i have been a long time reader and have gotten a ton of info over the years,and have never had a need to post a question untill now.i am not new to toyota just have a simple question.
i am currently rebuilding a 92 3.0 from the groung up,and was wondering when u guys have done head gasket jobs on your 3.0's,do you mark the head bolts to identify your 90 degree torque(like the chiltons manual says).Or do you use a torque angle gauge to identify the 90 degree torque?And what is more accurate?
P.s
posted in newbie section and could not get a answer.
07-05-2009, 11:28 PM
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It's not that critical. I used a black permanent marker. It's MUCH more critical that you clean the bolt holes out good (I sprayed w/PB Blaster & let sit overnight, then sprayed out well with a thin blower tube & 150 psi of air). Also run your bolts slightly oiled ALL THE WAY into the holes before torquing. I also torqued mine down to the 1st 90 degree turn, then back all the way off, then torqued them down all the way.
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