it is just a loose connection between the two pieces of metal

The 2007 GMC Sierra-1500 has overhead valves (OHV).

The 2013 GMC Sierra-1500 has overhead valves (OHV).

The 2009 GMC Sierra-1500 has overhead valves (OHV).

The 2004 GMC Sierra-1500 has overhead valves (OHV).

The 2014 GMC Sierra-1500 has overhead valves (OHV).

The 2003 GMC Sierra-1500 has overhead valves (OHV).

The 2001 GMC Sierra-1500 has overhead valves (OHV).

The 2008 GMC Sierra-1500 has overhead valves (OHV).

The 2012 GMC Sierra-1500 has overhead valves (OHV).

The 2002 GMC Sierra-1500 has overhead valves (OHV).

The 2011 GMC Sierra-1500 has overhead valves (OHV).

The 2005 GMC Sierra-1500 has overhead valves (OHV).

The 2006 GMC Sierra-1500 has overhead valves (OHV).

The 2010 GMC Sierra-1500 has overhead valves (OHV).

The 2014 GMC Sierra-1500 is 17 ft. 1.6 in. (205.6 in.) long.

The height of the 2011 GMC Sierra-1500 is 6 ft. 1.6 in. (73.6 in.).

The 2003 GMC Sierra-1500 is 18 ft. 6.1 in. (222.1 in.) long.

The 2007 GMC Sierra-1500 is 17 ft. 1.6 in. (205.6 in.) long.

The 2011 GMC Sierra-1500 is 17 ft. 1.6 in. (205.6 in.) long.

The height of the 2002 GMC Sierra-1500 is 5 ft. 11 in. (71 in.).

The height of the 2010 GMC Sierra-1500 is 6 ft. 1.6 in. (73.6 in.).

The height of the 2001 GMC Sierra-1500 is 5 ft. 11.2 in. (71.2 in.).

The height of the 2005 GMC Sierra-1500 is 5 ft. 11.2 in. (71.2 in.).

The height of the 2003 GMC Sierra-1500 is 5 ft. 11 in. (71 in.).

The 2004 GMC Sierra-1500 is 16 ft. 11.2 in. (203.2 in.) long.

The height of the 2012 GMC Sierra-1500 is 6 ft. 1.6 in. (73.6 in.).

The 2009 GMC Sierra-1500 is 17 ft. 1.6 in. (205.6 in.) long.

The 2002 GMC Sierra-1500 is 18 ft. 6.1 in. (222.1 in.) long.

The height of the 2006 GMC Sierra-1500 is 5 ft. 11.2 in. (71.2 in.).

The 2001 GMC Sierra-1500 is 16 ft. 11.2 in. (203.2 in.) long.

The 2010 GMC Sierra-1500 is 17 ft. 1.6 in. (205.6 in.) long.

The 2008 GMC Sierra-1500 is 17 ft. 1.6 in. (205.6 in.) long.

The height of the 2007 GMC Sierra-1500 is 6 ft. 1.6 in. (73.6 in.).

The 2012 GMC Sierra-1500 is 17 ft. 1.6 in. (205.6 in.) long.

The height of the 2004 GMC Sierra-1500 is 5 ft. 11.2 in. (71.2 in.).

The height of the 2013 GMC Sierra-1500 is 6 ft. 1.6 in. (73.6 in.).

The height of the 2014 GMC Sierra-1500 is 6 ft. 2 in. (74 in.).

The height of the 2009 GMC Sierra-1500 is 6 ft. 1.6 in. (73.6 in.).

The 2005 GMC Sierra-1500 is 17 ft. 1.7 in. (205.7 in.) long.

The 2006 GMC Sierra-1500 is 17 ft. 1.7 in. (205.7 in.) long.

The 2013 GMC Sierra-1500 is 17 ft. 1.6 in. (205.6 in.) long.

The height of the 2008 GMC Sierra-1500 is 6 ft. 1.6 in. (73.6 in.).

The 2009 GMC Sierra-1500-Hybrid has a V8 engine.

The 2012 GMC Sierra-1500's turning circle is 39.7 ft..

The 2010 GMC Sierra-1500-Hybrid has a V8 engine.

The 2008 GMC Sierra-1500's turning circle is 39.7 ft..

The 2013 GMC Sierra-1500-Hybrid has 16 valves.

The 2004 GMC Sierra-1500's turning circle is 38.5 ft..

The 2014 GMC Sierra-1500 has 42.4 in. of front head room.

The 2014 GMC Sierra-1500 has 45.3 in. of front leg room.