Mine sort of 'clunks' into reverse, on both it's old tranny and it's new (reconditioned) one.. I think the older models do.. there's sort of a bump as it engages.. but no noise. A Clunking as in noise *could* be a flex disc.
Mine engages Drive smoothly however.
2.5-16v 1990 90,000m Astral Silver
2.0E 8v 1986 107,000m Black