I have a 2009 chevy Silverado 4X4 2500hd with a 6.0 gas engine. When I turn the knob to engage the 4 wheel drive it says service 4 wheel drive. What could be wrong?

I have a 2009 chevy Silverado 4X4 2500hd with a 6.0 gas engine. When I turn the knob to engage the 4 wheel drive it says service 4 wheel drive. What could be wrong? 1 Answer

I have a 2005 chevy silverado 2500 4x4 6.0 only 18k miles and the odometer just says error on it. This just happened and I was wondering what the problem could be. I need to fix it cause I wanted to 1 Answer

I have a 2005 chevy silverado 2500 4x4 6.0 only 18k miles and the odometer just says error on it. This just happened and I was wondering what the problem could be. I need to fix it cause I wanted ...

Have a 2005 hd chevy silverado 6.0, I replaced the oil coolant line gasket and its still pouring out oil. Gushing oil even when I have it tight. Replace it with another gasket its still the same. 5 Answers

Have a 2005 hd chevy silverado 6.0, I replaced the oil coolant line gasket and its still pouring out oil. Gushing oil even when I have it tight. Replace it with another gasket its still the same.

I have a '01 Silverado 2500HD with a 6.0. 2 Answers

Our son added water to radiator so we drained some out of it by taking off a radiator hose and now when I added more coolant it keeps over heating and I get no heat and can't seem to get it take th...

on my 2011 3/4 silverado hd, I have a yellow engine light on. The codes are 174 and 496. MAP and o2 sensor. The only sysmptoms I'm getting are when the fuel cap is removed ther is a vacuum whoosh. The the vehicle is hard to start. Sounds like the evap purge valve. Not sure but never had one cause a vacum. Ive seen pressure, so i guess it could go the other way as well. help 2 Answers

2011 Chevy Silverado HD 3/4 ton