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Originally Posted by Brian R.
Have you listened to the noise with the hood open and the car stationary? Pinpointing the source of the noise would be a big step forward. I was thinking it might be an accessory - PS pump or alternator. Check the PS pump fluid level. If the noise is in the head, forget what I just said.
Have you checked the oil pressure since the belt install?
Did he test the tensioner for correct tension before he reused it? Might be the timing belt making the noise because of inadequate tension.
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Yes, we've listened to the noise with the hood open and the car stationary. The noise is coming from either the head or even deeper. It's a solid knock, not a tapping sound.
How do you check the oil pressure? The oil pressure warning light on the dash goes out as soon as the engine is started, so that would indicate there's no problem with that.
According to the book, if you have a silver tensioner spring, which I have, you're supposed to turn the crankshaft two full revolutions, and then tighten the tensioner bolt, which is what he did. He went back in and checked the timing marks with the crankshaft timing mark at TDC. The camshaft hole is lined up with the mark, as it should be. He checked it three times.