Having problems with your 2003 Chevrolet Suburban 1500 ?
What kind of antifreeze for 2003 suburban - 2003 Chevrolet Suburban 1500
There are several typs of antifreezz to be safe I would recomend a universal premix this way if you ever have to add some more down the line it is easy to come by and can even be mixed with other brands when in a pinch
GM recommends a 50/50 solution of Dex Cool and distilled water.
Repair Help & Product Troubleshooting for 2003 Chevrolet Suburban 1500
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