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    CVT fluid high content of iron,copper,aluminum, at 200,000 miles

    Dear all, Just got results from CAT lab sample analysis, And this are their remarks: "ALUMINUM IS HIGH AND MAY INDICATE TORQUE CONVERTER/IMPELLER WEAR. IRON IS HIGH AND MAY INDICATE CLUTCH PLATES WEAR. MORE SAMPLE HISTORY NEEDED TO ESTABLISH A NORMAL WEAR TREND. CUT OPEN FILTER(S) AND...
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    Silicon in the engine oil, 2018 corolla, 7000 miles

    Dear forum, Happly bought a brand new 2018 corolla L, After 7000 miles, no problem, i guss i got board, ( prevuse car Mercedes 300SDL 1987) I checked oil, it looked bit cluady , Took a sample, and send to SOS caterpiler, Answer was all ok , Silicon(dirt) is high,211 ppm,(normal 20-30ppm)...
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