4th Sep 2014, 03:45

Nissan's are bad for the valves needing to be adjusted. You can get your valves adjusted for pretty cheap, or you can just add a thicker oil and maybe some oil additives. My 97 Nissan pickup had the same problem, but after getting the valves adjusted it didn't rattle any more.

2nd Nov 2014, 02:59

Hey bud, it could be your engine rubber mounts or it could be the tranny mounts.