Correct me if I'm wrong, but I believe the problem with Vanagon water pumps is in the sealed shaft bearing possibly being undersized for the application. I don't think the water side of the pump is the problem at all. Mark John H. Rodgers wrote: > -- [ From: John H. Rodgers * EMC.Ver #2.5.02 ] -- > > I always understood that the stuff every one calls antifreeze in reality is > "Coolant" and coolants were also lubicants for the water pump, and that in > modern engines the coolants are necessary for the cooling systems good > health. > > John Rodgers > '88 GL Driver > > -------- REPLY, Original message follows -------- > > Which brings to mind "Water Pump Lubricants," a class of coolant additive > products I've seen marketed for decades. I have no idea if they help, > hinder, or just hit the pocket book. I've never seen any test data nor much > of anything written about them. Does anyone have any information about > whether or not they help? John > > > -- |
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