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The video above shows you how to replace the battery in your 2002 GMC Envoy. 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 Envoy that you need to replace.
Replacing the battery in your Envoy involves removing the terminals. When you reconnect the terminals, your radio presets are likely to be cleared out. In some Envoys, 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 you2009 GMC Envoy SLE 4.2L 6 Cyl.
If you are leaking oil and parking on your oil spots each night, the oil is breaking down your tires' rubber2009 GMC Envoy SLE 4.2L 6 Cyl.
Leaking coolant is usually a sign that your water pump needs to be replaced. This video shows you how to quickly plug it2009 GMC Envoy SLE 4.2L 6 Cyl.
Your coolant should perform well under any condition - just like Aaron Rodgers!2009 GMC Envoy SLE 4.2L 6 Cyl.
Sure you can take it in for a $19 lube, but are you OK with a stripped oil pan and cheap parts in return?2003 GMC Envoy SLT 4.2L 6 Cyl.
Power steering fluid is easy to check and many people (mechanics included) often forget about - learn how here2009 GMC Envoy SLE 4.2L 6 Cyl.