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The video above shows you how to replace the battery in your 2008 GMC Sierra 1500. We recommend changing the battery in GMCs every 4 years. Although some batteries last much longer, most batteries begin breaking down chemically after four years, so you could experience dimmer headlights and other negative effects before you have a dead battery in your Sierra 1500 that you need to replace.
Replacing the battery in your Sierra 1500 involves removing the terminals. When you reconnect the terminals, your radio presets are likely to be cleared out. In some Sierra 1500s, you may need to re-enter a security code to get your radio to work again. Check for this code in your owners manual - it will usually be either a sticker or small card in the booklet. If you can't find it, call GMC and they will give you the code for free. In many GMCs, the transmission "learns" how you drive over time and makes adjustments, so you may experience altered driving dynamics as your car re-learns your driving style after changing the battery.
The best way to fix leaking hoses is to replace them, but if you don't have time, a stop leak product might work for you2007 GMC Sierra 1500 SLE 4.8L V8 Extended Cab Pickup (4 Door)
Transmissions that leak fluid usually have never been flushed and the seal is finally leaking. The right stop leak product can cure a lot2007 GMC Sierra 1500 SLE 4.8L V8 Extended Cab Pickup (4 Door)
Learning how to jump your car before you need to is an excellent idea2007 GMC Sierra 1500 SLE 4.8L V8 Extended Cab Pickup (4 Door)
Harsh downshifts? Slipping gears? You might be low on transmission fluid2007 GMC Sierra 1500 SLE 4.8L V8 Extended Cab Pickup (4 Door)
DRLs are on more than your headlights. They burn out faster and should be replaced regularly2007 GMC Sierra 1500 SLE 4.8L V8 Extended Cab Pickup (4 Door)
Is the clock in your car ahead or behind? Learn how to set it here!2007 GMC Sierra 1500 SLE 4.8L V8 Extended Cab Pickup (4 Door)