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If your belt was off one tooth, no harm was done, not in a B230, and not by one tooth. The opening and closing of the valves wasn’t in perfect mesh with the pistons.
I had a no start condition for a month until I found that the pulley had rotated on the cam due to a sheared indexing pin. The piston was on power stroke and the cam was on the intake stroke. The roll pin is an M5-8 to 20mm long. I picked one up at a dealer for 90 cents. A well supplied hardware store may have one too.
A word of caution Greg, if part of the old pin is stuck in the cam, you will have to drill it out using smaller to larger “solid carbide” drill bits. The roll pin is spring steel. High speed steel or carbide tipped bits may break off in the hole while drilling. If you have already done this, the Volvo gods were looking out for you.
I had also removed the cam to install the new pin. I just couldn’t see putting lateral impact force on the cam bearings to pound the new pin in. I placed the cam on a solid block of wood and just tapped the new roll pin in with a hammer. Good time to change the valve hushers while the cam is out. If you remove the cam, loosen each of the cam bearing bolts a half turn at a time.
It’s just like a plumbing job, isn’t it.
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Tom F. Three 940s. '93 T-Rex now running. Mods, RainX. Lien holder on two more (the kid's). Rust In Pieces, '78 245
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