UGH - I am not alway so friggin incompetent, really I'm not.
Neighbors '04 Camry 3.0 V6 - water pump failed. Neighbor started to disassemble it, got in over his head and asked if I could help.
That was mistake #1.
So I order a gates timing belt / water pump kit from Rock Auto and get to work. Replace the pump, all the idlers and the tensioner from the kit. Line up the timing marks on the crank and heads to the belt, release the tensioner...
Spin it over a couple times and recheck the marks - rear cam is not in line.
Pull the tensioner, compress and reset it and all the marks. We're good. Spin again - NOPE, everythings effed up again.
(repeat the above process a couple times, after rechecking the service manual and watching a couple youtube vids) - same result.
It got cold and I was p*$$ed, so I called it a night. Checked the new timing belt against a known good belt and the alignment marks match, so it's not a mismarked belt.
I'm completely out of ideas at this point. I've watched the belt while I'm turning it over and I don't see any slippage. Tension is good.
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