LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 2098 (Engine Mechanical) >> Service Data And Specifications (SDS) >> Standard and Limit >> Valve >> Valve Spring
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Valve Spring

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
VALVE SPRING SPECIFICATION

Free height mm (in) 46.52 (1.8315)
Pressure N (kg, lb) at height mm (in) Standard 166 - 188 (16.9 - 19.2, 37.3 - 42.3) at 37.0 (1.457)
Limit 373 - 421 (38.0 - 42.9, 83.9 - 95.0) at 27.2 (1.071)
Out-of-square mm (in) Less than 2.0 (0.079)