The service schedule and Haynes both say that the coolant should survive the life of the vehicle. Exactly how long is this, and is this calculated by saying the corrosion inhibitors will last for 5 years and then it'll start rusting away until it fails at 10 years i.e. end of life?
Red coolant from GM bought from the parts counter is 5 years, what's so special about the original fitment stuff?
Edited by mfarrow on 28/06/2008 at 11:40
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