When coasting to a stop or rolling at low speed

It appears my whole question didn't post. I'll try again. When coasting to a stop or rolling at low speed

When coasting to a stop or rolling at low speed less than 10kph, there is a metallic knocking sound. Sounds like center or rear of car. Only occurs after car has been running for a while. Noise immediately stops upon acceleration. No other issues changing gears. Noise increases with clutch in. Noise seems to significantly decrease when in first gear, but not in other gears. Can feel it through shift lever, but very faintly. Car has new suspension all round. New uni joint. Complete new exhaust system. 1.6l engine, manual 4 wheel drive, hubs in free. Thanks for your time.

G16b 16v engine. Haven't checked trouble codes warning lights or check lights active. Found the problem with my first post. It cut off where I used a Less Than symbol.

No warning lights or check lights active.