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I had difficulty getting the water pump out of my friends 98 Eldorado with my Lisle water pump tool. With a mirror I noticed that someone had tried to get it out before as the pump had deep scoring where the tool engages it. So instead of removing and replacing the pump they loaded the cooling system up with tablets but the cooling system continued to lose coolant through the water pump seal. This is the first time I have seen a NS water pump leak through the seal usually I see them leak at the pump body o-ring. This looks like a cheap water pump however, I replaced it with an AC Delco pump. Although Lisle makes good tools, their water pump tool is a flexible tool and I have always had difficulty with it bending and getting out of shape. It always seemed to be a miracle when I r&r'd a pump successfully. I gave up and told my friend I needed to buy a better tool. I lucked out and found a Snap On S6192A Water Pump tool on Ebay, from a mechanic who currently works on Corvettes, he previously owned a Seville. The same tool is on Snapon.com for $150 and I found it on Ebay for $25! Well the tool arrived quickly and it made R&Ring the water pump child's play, the stabilizer bracket keeps the tool in place so the tool does not slip. It is a ridged carbon steel tool with very sharp tangs on it. It does not bend and as a result keeps its shape and gives a more positive engagement and turning power. Used an 18" breaker bar to remove it and a torque wrench (set at 72 lb.ft.) to install it. With careful listening, he now needs a new tensioner, the tensioner pulley is very noisy. Terrific find.