Cadillac 12522848 Ring Kit,Piston

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Before installing the new piston rings, verify the correct ring end gaps, assuming that the piston ring side clearance has been previously confirmed. Organize the piston/connecting rod assemblies and new ring sets to match them for end gap measurement and engine assembly. Insert the top (number one) ring into the first cylinder, square it with the cylinder walls by gently pushing it down with the piston's top, and ensure it's near the bottom of the cylinder. Measure the end gap by sliding feeler gauges between the ring ends and compare the measurement to specifications, adjusting if necessary. If the gap is too small, carefully file the ring ends with a fine file to increase the gap, and if it's excessively large, ensure you have the correct rings. Repeat this process for each ring in all cylinders, keeping components matched. Once the ring end gaps are correct, proceed to install the rings on the pistons. Start with the three-piece oil control ring, followed by the number two (middle) ring, making sure the identification marks are oriented correctly. Use a piston ring installation tool for the middle and top rings, ensuring proper alignment, and repeat for all pistons and rings.