'06 4.7 cam install issues

Re-installed the driver side cams according to ALLDATA instructions with the double dots aligned. When I put the cam pully back on, which only slides on one way, the timing mark is 180* off. Did all this with the crankshaft 50* off TDC and the passenger side cams set on the single dots. Can someone help me figure out how to get the driver side cams in the correct alignment so the timing marks are correct?

 

Similar issue:

https://forum.ih8mud.com/threads/2uz-fe-camshaft-marks.1263312/

 

Followed that exact procedure and again when I put the cam pully back on the timing mark is 180 off

 

I think the double dots are for timing the scissor gears, then you set the pulley timing, but i've never done it, so im not sure.

 

And since the pully only attaches in one specific position, adjusting it would mean turning the cams. Thankyou. Hopefully someone will read this and have an answer

 

Is it possible you failed to install the service bolt BEFORE working on the cams? That would be a stupid mistake, but recoverable. Were you not using the Toyota FSM to do the work? ALLDATA sucks.

Look at this two-dozen page drama that happened when another guy did the same on his VVTi engine: https://www.tundras.com/threads/multiple-misfires-after-rebuild-fixed.110071/

Timing was off similarly, but not as bad as yours.

This thread may also help: https://www.tundras.com/threads/2006-tundra-sequoia-camshaft-seals.109297/page-2

For the record, I don't know what the fuck I'm talking about here. So I'm probably wrong.

 

Thanks. I will read them and hopefully there is a happy answer.

 

Well, you'll know whether you use the service bolt or not to pin everything in place. If you didn't, you'll probably need the 2nd thread, or just read the FSM on how to time from scratch for VVTi.

 

Well I did not install the service bolt, but before I put the cam back in I got the gears on the exhaust Cam back in alignment and put a service bolt in place. So now that I have the cams back in, I rotated the driver side cams 180* so that the timing mark was sitting identical to the passenger Cam. Installed the TB, installed the balancer and when I turn the Crank to the right, at 90* from 0 it gets really tight.

 

Any hints on where in FSM to find setting up timing for VVTi?

 

Nope, I'm not familiar with that. I wonder if it'd be worthwhile to tag @EvilMilkshake here, since he seems to have more experience with this than anyone else on the forum I've seen, other than maybe @empty_lord.

 

Ok, I back tracked and pulled the passenger side cams. Before I pulled them out, the 2 marked gears on the exhaust cam lined up, but the service bolt hole did not. Once I aligned the service bolt holes and inserted bolt, the are one tooth apart. Should I go with the service bolt position or the marked gear?

 

When removing the camshafts, the crankshaft timing should not be at 0, but instead at about 35º off, pointing at the tensioner bolt. Zero is only for installing the belt. Did you do that when you removed them? This is important as it will basically put all the valves at the least amount of pressure on the cams. Check the FSM for cylinder head section and check the camshaft portion.