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3. Clean the piston and cylinder bore with soap and water. Dry the cylinder bore and piston. Lubricate the cylinder bore with clean engine oil. 23. Use the following procedure to measure the piston-to-cylinder bore clearance. 1. Subtract the piston diameter from the cylinder bore diameter to determine the piston- to-bore clearance. 2. Compare the piston-to-bore clearance using the specifications to determine if the clearance is in the acceptable range. 3. If the used piston is not acceptable, a new service piston may be selected. 24. When a piston has been selected, mark the piston to identify the cylinder for which the piston was fitted. 25. Select a set of new piston rings. 26. Install each ring, one at a time, into the corresponding cylinder. 27. Install the piston for that cylinder, upside down (top of piston pushing on the ring) and push the ring to approximately 25 mm (1 in) down from the deck surface. 28. Remove the piston. 29. Measure the ring end gap with a feeler gage.
2006 Hummer H3 2006 ENGINE Engine Mechanical - 3.5L (L52) - H3
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