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10. Measure the cylinder bores for taper and out-of-round. 1. Depress the plunger on the J 8087 to 7 mm (0.275 in) or until the J 8087 enters the cylinder bore. 2. Center the J 8087 in the cylinder bore and turn the indicator dial to 0. 3. Move the J 8087 up and down the cylinder bore to determine the cylinder bore taper. Refer to Engine Mechanical Specifications . 4. Turn the J 8087 to different points around the cylinder bore to determine the cylinder bore out-of-round condition. Refer to Engine Mechanical Specifications . CYLINDER BORING AND HONING Honing Procedure Fig. 461: Identifying Cylinder Bore Cross Hatch Pattern
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
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