There is no guide on the cams to install the gears if you remove them. You will need the cam lock tool to lock cams in place. If the cams are not in there correct position you could damage the valves because vehicle is not properly timed. You can look for the tool online but will run you somewhere between $300-$600 dollars. The tool will come with the cam and crank lock. F you are trying to remove the exhaust cvvt and intake cam gear for an oil leak then replace the cvvt hub also along with the seals. Those things always start to leak after 100k miles. I Hope these info helps and good luck to you.
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Sunday, September 2nd, 2012 AT 11:54 PM