Valve Springs Can Be Tightly Compressed Caution
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Valve springs can be tightly compressed. Use care when removing retainers and plugs. Personal injury could result.