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: 1172006 Y Car GMX245 Corvette7.0L (LS7) Engine Mechanical7. Viewing the old balancer, note the position of the crankshaft-to-balancer alignment mark (3).8. Mark the new balancer in the same location (5).9. Measure the distance from the top of the balance weights to the face of the old crankshaft balancer.10. Record the readings.11. Determine the proper balance weight size for the new balancer. Balance weights are available in 3 different sizes.• A balance weight hole depth that measures 13.0 mm (0.512 in), has a short balance weight in the hole. A shortbalance weight measures 12.7 mm (0.5 in) in length.• A balance weight hole depth that measures 6.69 mm (0.263 in), has a medium balance weight in the hole. Amedium balance weight measures 19.0 mm (0.75 in) in length.• A balance weight hole depth that measures 0.29 mm (0.011 in), has a long balance weight in the hole. A longbalance weight measures 25.4 mm (1.0 in) in length.12. Insert new crankshaft balance weights of the proper size into the new balancer in the same location as theold balancer.A properly installed balance weight is flush or below flush with the face of the balancer.Repair Instructions1555688Engine Flywheel Cleaning and Inspection15524381. Clean the flywheel in solvent.Caution: Refer to Safety Glasses Caution .2. Dry the flywheel with compressed air.3. Inspect the flywheel for the following conditions:• Pitted surface (1)• Groovedorscoredsurface(2)• Rusted surface (3)• Damaged ring gear teeth (4)• Loose or improperly positioned ring gearThe ring gear has an interference fit onto the flywheel and should be positioned completely against theflange of the flywheel.• Missing, bent or damaged pressure plate locating pins (5)The 3 locating pins are installed into the flywheel and spaced 120 degrees apart in order to ensure properorientation of the clutch pressure plate to the flywheel during assembly.Repair Instructions117 of 272