Valve covers aren't structural, they just need to be torqued down har enough to get the gasket against the cyinder head to be oil tight.
The 2001 Nissan valve cover bolt torque specification is 45 pounds. The valve cover bolts should be torqued in 15 pound intervals.
72in-lbs
The valve cover bolts need to be torqued to 72 to 84 IN-LBS
DOHC cover is 89 in-lbs SOCH cover is 22 Ft-lbs
what kind of car? each car has it own torque spec 2000 Chevy Cavalier
4 lb/ft
Tighten the valve cover retaining bolts in sequence, torque them to 71-106 inch lbs. (8-12 Nm).
The torque spec is 89 in-lbs not ft lbs. Tighten in sequence from the inside out.
The correct torque spec is 85 INCH lbs.
90 INCH LBS. Again: INCH LBS.
286
Probably no more than 18 Flbs.