GM Dexcool nothing else. Your anti-freeze is a Dex-cool anti-freeze. It is not compatiable with the green kind. It is a long life coolant which can last up to 100,000 miles. If you have to top off, do not add water as this coolant comes pre-mixed.
Regular antifreeze such as, green, or red!
in the radiator reservoir
The 2004 GMC Sierra-1500 has a 5-speed manual.
The 2004 GMC Sierra-2500HD has a 5-speed manual.
The 2004 GMC Sierra-1500 runs on regular unleaded.
The 2004 GMC Sierra-2500HD runs on regular unleaded.
The 2004 GMC Sierra-2500HD has 16 valves.
The 2004 GMC Sierra-1500 has 12 valves.
The 2004 GMC Sierra-1500 has a V6 engine.
The 2004 GMC Sierra-2500HD has a V8 engine.
antifreeze coming from back of intake on 1993 gmc sierra
The 2004 GMC Sierra-1500 is a gas-powered vehicle.