Questions

Temp Difference On 2009 GMC Sierra

When I turn my A/C on, both sides blow cool. I have the passenger side set at the same temp as the driver's side. All of a sudden, the driver's side heats up and pass side says cool. (it just does thi...

Towing Capacity/rpm's/tran Temp While Towing 19 Ft Trailer?

Hello, My husband and I recently purchased a 2011 GMC sierra 1500 series 2x4 V6. We bought a small trailer (19 Ft) and had a hitch/tow package, tranny cooler and electric brake control installed. We w...