LS7 Corvette Mechanical Repair Specs (PDF) - Bakes Online

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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: 2442006 Y Car GMX245 Corvette7.0L (LS7) Engine MechanicalNotice: Refer to Fastener Notice .3. Install the J 42386-A and bolts. Use 1 M10 – 1.5 x 120 mm and 1 M10 – 1.5 x 45 mm bolt for proper tool operation.Tighten: Tighten the J 42386-A bolts to 50 N·m (37 lb ft).15525134. Install the engine flywheel bolts.Tighten:5. Tighten the engine flywheel bolts (1–6) a first pass in sequence to 30 N·m (22 lb ft).6. Tighten the engine flywheel bolts (1–6) a final pass in sequence to 40 degrees using the J 45059 .Repair Instructions1556310Crankshaft Balancer InstallationTools Required• EN-47812 Installer Bolt• J 41665 Crankshaft Balancer and Sprocket Installer• J42386-A Flywheel Holding Tool• J 45059 Angle Meter244 of 272
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: 2452006 Y Car GMX245 Corvette7.0L (LS7) Engine Mechanical1552525Notice: Refer to Fastener Notice .Important:• Note the position of the crankshaft balancer before removal. The balancer does not use a key or keyway forpositioning. Mark or scribe the end of the crankshaft and the balancer before removal. The crankshaft balancermust be installed to the original position. If replacing the crankshaft balancer, note the location of any existingbalance weights, if applicable. Install new balance weights into the new crankshaft balancer, if applicable.Crankshaft balance weights must be installed into the new balancer in the same location as the old balancer. Aproperly installed balance weight will be either flush or below flush with the face of the balancer. Refer to EngineBalancing and Crankshaft Balancer Cleaning and Inspection .• The crankshaft balancer installation and bolt tightening involves a 4 step tightening process. The first passensures that the balancer is installed completely onto the crankshaft. The second, third and fourth passestighten the NEW bolt to the proper torque.• The used crankshaft balancer bolt is used only during the first pass of the balancer installation procedure.Install a NEW crankshaft balancer bolt and tighten as described in the second, third and fourth passes of thebalancer bolt tightening procedure.1. Install the J 42386-A and bolts.Use 1 M10 – 1.5 x 120 mm and 1 M10 – 1.5 x 45 mm bolt for proper tool operation.Tighten: Tighten the J 42386-A bolts to 50 N·m (37 lb ft).245 of 272
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