Does your car sound like a piece of junk when you close the doors? Does it make a rattly, metal on metal sound? Maybe it's your door strikers. They're supposed to have a rubber casing on the part the door latches on to, but after 30 years and who knows how many open/close cycles, the rubbers deteriorated if not completely fallen off!

Fortunately, this part is still available new from japan and at a fairly reasonable price. It's made my doors close much smoother, quieter and easier.

I bought mine through amayama:
https://www.amayama.com/en/part/nissan/8057085e1a

STRIKER ASSEMBLY, FRONT DOOR LOCK;STRIKER, REAR DOOR LOCK

Genuine Nissan (8057085E1A)

8057085E1A