Whenever a rubber snap-in valve based TPMS sensor is removed from a wheel, it should be replaced with new rubber snap-in valve. Attempting to reuse the original rubber snap-in valve and valve core may result in an air leak.

Chevrolet; Camaro; 2013-2012; Exc. ZL1
Chevrolet; Camaro; 2013-2012; Rubber Valve; Exc. ZL1
Chevrolet; Camaro; 2011-2010

http://www.tpms.com/product_p/sk0008.htm