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OK, reporting back.
Found the notch, verified using a dental pick to feel it. Could only see from the correct angle once I knew what to look for.
Marks were lined up, so I undid tensioner, but had a real hard time getting belt past obstruction, so after screwing around I took a chance and cut the old belt. But, not before marking old belt to cam sprockets as I read the exhaust cam liked to move. Transferred marks using white out to new belt and installed.
Belt slid past obstruction no sweat, not sure why I couldn't do it the other way. Got it on the crank pulley and worked up, keeping it tight to the intake cam, fed it to the exhaust, where thanks to my marks, I realized it moved a tooth or so. Lined up belt using the marks and wound to WP and tensioner pulley. Intalled hand granade tensioner (previously slowly compressed) and moved exhaust came to "tighten" slack in belt between intake and exhaust cam. Checked timing marks, all looked well, so I pulled the pin. Things seemed good so I rotated crank by hand 2 full rotations. All marks were pretty much dead nuts on! Rotated once more (720 degrees) to double check and life was good.
Could not have done without you guys, thanks for all the help.
One minor detail, previous install used Volvo belt/pulleys, but tech (Volvo dealer?) apparently pulled the pulley and chipped a small chunk of it on the back side, does not impact the serpentine belt/grooves, etc. I'd guess it affects balance somewhat, but it worked fine for 70 kmiles and 9 yrs. I'm thinking I leave well enought alone for now, agree?
Mike
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