LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Oldsmobile >> 2001 >> Aurora V8-4.0L VIN C >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly >> Valve Spring
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Valve Spring

Length Installed 1.3780 Inch (in)
Free 1.6059-1.7201 Inch (in)
Valve Closed 1.3780 in
Valve Open 0.9646 in
Force, Valve Closed 47.5-52.5 lb.
Valve Open 130.2-141.9 lb.
Diameter Inside 0.6988-0.7185 in
Outside 1.0327 in
Wire (Ovate) 0.1618 x 0.1291 in
Coil Direction Clockwise
Total Number of Coils 6.90 - 7.10
Identifier Orange