Crankshaft Balancer Removal 6.2L LS3

Special Tools

For equivalent regional tools, refer to Special Tools

Caution: Refer to Fastener Caution in the Preface section.





Note: 

•

For manual transmission applications, note the position of the crankshaft balancer before removal. The balancer does not use a key or keyway for positioning. Mark or scribe the end of the crankshaft and the balancer before component removal. The crankshaft balancer must be installed to the original position. If replacing the crankshaft balancer, note the location of any existing balance weights, if applicable. Crankshaft balance weights must be installed into the new balancer in the same location as the old balancer. A properly installed balance weight will be either flush or below flush with the face of the balancer.

•	Do not use the crankshaft balancer bolt again. Install a NEW crankshaft balancer bolt during final assembly.

1. Install the J 42386-A tool and bolts.

Use 1 M10 - 1.5 x 120 mm and 1 M10 - 1.5 x 45 mm bolt for proper tool operation and tighten the J 42386-A tool bolts to 50 N·m (37 lb ft).




2. Remove the crankshaft balancer bolt (139).



3. Mark or scribe the crankshaft balancer and the end of the crankshaft.



4. Use the J 41816-A remover  (1) and the J 41816-2 protector  (2) in order to remove the crankshaft balancer.



5. Remove the crankshaft balancer (1).



6. Remove the crankshaft balancer washer (1) from the balancer.



7. Note the position of the crankshaft balance weights, if applicable. Refer to Engine Balancing and Crankshaft Balancer Cleaning and Inspection.

Crankshaft Balancer Removal 6.2L LS9

Special Tools

For equivalent regional tools, refer to Special Tools

Caution: Refer to Fastener Caution in the Preface section.





Note: Do not use the crankshaft balancer bolt during final assembly. Install a NEW crankshaft balancer bolt during final assembly.

1. Install the J 42386-A tool and bolts and tighten to 50 N·m (37 lb ft)..

Use 1 M10 - 1.5 x 120 mm and 1 M10 - 1.5 x 45 mm bolt for proper tool operation.




2. Remove the crankshaft balancer bolt (139).



3. Use the J 41816-A remover  (1) and the J 41816-2 protector  (2) in order to remove the crankshaft balancer.



4. Remove the crankshaft balancer (138).



5. Remove the crankshaft balancer washer (1) from the balancer, as required.



6. Note the position of the crankshaft balance weights, if applicable. Refer to Engine Balancing and Crankshaft Balancer Cleaning and Inspection.

Crankshaft Balancer Removal 7.0L LS7

Special Tools

For equivalent regional tools, refer to Special Tools

Caution: Refer to Fastener Caution in the Preface section.





Note: 

•	Note the position of the crankshaft balancer before removal. The balancer does not use a key or keyway for positioning. Mark or scribe the end of the crankshaft and the balancer before component removal. Refer to Engine Balancing.

•	Do not use the crankshaft balancer bolt during final assembly. Install a NEW crankshaft balancer bolt during final assembly.

1. Install the J 42386-A tool and bolts.

Use 1 M10 - 1.5 x 120 mm and 1 M10 - 1.5 x 45 mm bolt for proper tool operation and tighten the J 42386-A tool bolts to 50 N·m (37 lb ft).




2. Remove the crankshaft balancer bolt (139).



3. Mark or scribe the crankshaft balancer and the end of the crankshaft.



4. Use the J 41816-A remover  (1) and the J 41816-2 protector  (2) in order to remove the crankshaft balancer.



5. Remove the crankshaft balancer (138).



6. Remove the crankshaft balancer washer (1) from the balancer.



7. Note the position of the crankshaft balance weights, if applicable. Refer to Engine Balancing and Crankshaft Balancer Cleaning and Inspection.