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Thread: Camshaft bearing cap bolts

  1. #1
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    Default Camshaft bearing cap bolts

    Hi there peeps,

    I may have a really stupid question, or it may be not so stupid.

    Now one of my camshaft bearing cap bolts have snapped off!! Now I can hopefully get it out usuing a ezy out that's not a problem, question is what bolt to I replace it with..?

    can I just use a grade 8.8 high tensile bolt the same size or do the have to be a special type?

    i know it may sound silly but my brain is farting ATM.

    Thoughts ? :/

  2. #2
    Veteran timbo's Avatar
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    Find one from someone who has spares! I think the factory torque spec is around 13Nm. What about Coventry or something along those lines?

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    I'm sure you could get away with a different high tensile bolt, but I think the best option would be to get a new genuine replacement from Toyota. It is going to be only a tiny cost of what may be a much larger cost in the long run if something did go wrong. Peace of mind
    4K > 5K > Worked 5K > 4AGE > 146RWKW 4AGTE > 210KW SR
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    Now with a new lease on life will be back bigger and better!

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    Veteran lolwat's Avatar
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    i has lots of them, if you really get stuck

  5. #5
    Noooob
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    It should come out easily....
    Ae86 Drivingclub - Toyota AE86 Car Club where AE86 | KE70 | Toyota 86 / GT86 | Subaru BRZ | Scion FRS owners

  6. #6
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    Be prepared if it's the bolt that I am thinking it is then their an M7, your not likely to get too far trying to source one of these from a conventional bolt store.
    My website: SQ Engineering - 4AGE and 3SGE upgrade/replacement parts

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    Please e-mail to contact me instead of sending a private message on here.

  7. #7
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    I just threw away a full set of 4age cam caps and bolts.






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    Cheers for the replies.. lolwat, I will hit u up for some if u don't mind. Just sent u a msg.

    cheers

  9. #9
    Senior Member Hen may possibly be a nut's Avatar
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    Sam I'm 80% that 16Vs are M6 and only 20Vs are M7.

    Those bolts also have a tendency to break before their rated torque. And while the right bolt is always nice, it's not highly stressed, so anything that fits will do.

  10. #10
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    I can confirm my 16v head uses m6x1

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