LS7 Corvette Mechanical Repair Specs (PDF) - Bakes Online

Print Preview Version 8.0 PubTeX output 2006.06.15:1036 File: C:\DOCUME~1\PCOMPO~1.IGS\LOCALS~1\Temp\.aptcache\2006LS7/tfa01804.dvi User: PComposer Page: 1012006 Y Car GMX245 Corvette7.0L (LS7) Engine Mechanical• Remove all sludge, dirt, or debris using a cleaning solvent or thermal type oven. Refer to Cleanliness and Care .• Gasket surfacesRefer to Replacing Engine Gaskets .• Coolant passages• Oil galleries• Main bearing caps• Cylinder head bolt holes to remove threadlocking materialThread repair tool J 42385-107 may be used to clean the threads of any residual threadlocking material.Inspection Procedure1. Inspect the following components:• Cylinder walls for excessive scratches, gouging, or ring ridge• Cylinder bores for excessive ring ridge at the top of the cylinder• Coolant jacket for cracks• Valve lifter bores for excessive scoring or wear• Crankshaft bearing webs for cracks• Gasket sealing surfaces for excessive scratches or gougingRefer to Replacing Engine Gaskets .• Oil galleries for restrictions• Threaded bolt holes for damaged threads• Cylinder bores for excessive ring ridge at the top of the cylinder2. Measure the cylinder bores for an oversize condition:Measuring the Cylinder for Oversize4974.1. Adjust the micrometer to a dimension slightly smaller than the bore size. Refer to Engine Mechanical Specifications2. Insert the J 8087 into the micrometer and zero the bore gage dial.101 of 272