See the related link for the service schedule.
The 2014 GMC Sierra-1500 has free maintenance for 2 yr./ 24000 mi..
SAE 5w30
timing belt
Someone answer this please. I have an 03 sierra and don't know if I have a problem or if it's just time for maintenance.
The maintenance interval is every 60,000 miles.
The 2007 GMC Sierra-1500 has 16 valves.
The 2010 GMC Sierra-1500 has a V6 engine.
The 2006 GMC Sierra-1500 has 12 valves.
The 2004 GMC Sierra-1500 has 12 valves.
The 2011 GMC Sierra-1500 has a V6 engine.
The 2002 GMC Sierra-1500 has 12 valves.
The 2010 GMC Sierra-1500 has 12 valves.