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Hi Luke, cam bracket bolts (in Nissan speak) are torqued to 0.92 to 1.2 kg-mm.

The Nissan R32 manual says start at #1 (front bearing) pair, then #7 (rear bearing) pair, then #2, then #5, then #3, then #4. That's 14 bolts and its the same for RB20/25/26.

:thumbsup:

The installation order is from the middle cam cap and work outwards (total 14 bolts).

Removal sequence is from the outside and work in.

Hope that clarifies.

thats the way i would be doing it aswell....some get it totally wrong and break it in half :) i usually put the middle one on the turn the bolt 3 turns or so,then work outside and continue until it pulls down even

thats the way i would be doing it aswell....some get it totally wrong and break it in half ;) i usually put the middle one on the turn the bolt 3 turns or so,then work outside and continue until it pulls down even

Yep spot on, do it in stages to pull the camshafts down evenly, not just it one hit.

:cheers:

I have a Nissan manuals in front of me as well, both the RB26 and RB25 manual says its from the centre out to tighten?

Surely this makes sense, as its the same sequence to what a cylinder head is tightened.

If you went from the outside in, the camshaft could bind and snap. (Technically possible, but realistically unlikely if the head isn't warped and the cam is still pulled down evenly)

Would you like it posted up here?

Anyone know where I can buy a 'sensitive' torque wrench to do cam caps? I want to change the cams in my SR20, and every hardware and auto store I go to, they dont have torque wrenches which can measure below 40nM. Ridiculous...

No, 540 degrees is their suggested amount to turn each nut in sequence so you tighten them gradually until they nip up (caps bottom) THEN you tighten them to about 11Nm as per the TORQUE setting in the picture.

I used a little 3/8" drive torque wrench that goes from basically zero to 20 odd Nm. Works a treat.

11 Nm does not feel tight enough but all techo sort of stuff with cam caps are about that figure so I did them up to 12Nm. haha

Just a note for everyone - The above manual for the RB26 has the baffle plates on caps 3&4 but on the RB25 (mine at least) they go on caps 6 and 7. The baffling in the rocker covers are different and that is why the breather hoses come out at a different place. I believe you can't get this wrong anyway because the rocker covers probably wouldn't go on.

At the end of it all just do up the cam caps very gradually so you don't snap the cam!

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