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Hello. I got cheated by a used auto dealer for the first time in my life after buying around 10 cars. I was sold a 2002 Kia Rio Cinco Wagon that had sludge EVEN in the oil cap as shown to me by a Kia mechanic. However, the Kia service manager told me "You can't fix sludge." , but Fixya.com said that Berryman would work. Let me know what I can do withOUT pulling the engine apart & cleaning it and what it would cost. It also has a slow transmission leak if that is related. Joe
Sludge is no match for Berryman, and we offer two solutions to combat the issue. The website you mentioned is probably referring to B-12 CHEMTOOL FUEL SYSTEM CLEANER (part #0116), which is extremely effective in the crankcase for the removal of gum, sludge, and other deposits IMMEDIATELY before an oil change. Usage instructions are below. If the problem of sludge is especially severe, though, it’s possible that 0116 may be too aggressive as it can cause “chunks” of sludge to become dislodged, which can then plug the oil screen and lead to oil starvation. For this reason, we also offer OIL CHANGE FLUSH (part #1216), which is specifically designed as a flush. Usage instructions are found on the product label. If you would like to use B-12 as an engine flush, simply pour into your COLD crankcase approximately 1½-2 oz. of #0116 per quart of oil capacity. For instance, if your vehicle holds 4 quarts of oil, then you would use 6-8 fl oz. After you’ve added it to your cold oil, start the car and run it at idle 10-15 minutes until the oil is warmed up. Then change the spent oil and replace the oil filter.