Crankshaft Balancer Removal (LSA)

Special Tools

• J 41816-A  Crankshaft Balancer Remover
• J 41816-2  Crankshaft End Protector
• J 42386-A  Flywheel Holding Tool

For equivalent regional tools, refer to Special Tools .

Fig 1: Flywheel Holder
Courtesy of GENERAL MOTORS COMPANY
CAUTION:

Refer to Fastener Caution .

NOTE:
• If replacing the crankshaft balancer on manual transmission applications, 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. Refer to Engine Balancing (LSA) .
• 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).

Fig 2: Crankshaft Balancer Bolt
Courtesy of GENERAL MOTORS COMPANY
2. Remove the crankshaft balancer bolt (139). Do not discard the crankshaft balancer bolt. The balancer bolt will be used during the balancer installation procedure.
Fig 3: Crankshaft Balancer Remover And Protector Tools
Courtesy of GENERAL MOTORS COMPANY
3. Use the J 41816-A  remover (1) and the J 41816-2  protector (2) in order to remove the crankshaft balancer.
Fig 4: Crankshaft Balancer
Courtesy of GENERAL MOTORS COMPANY
4. Remove the crankshaft balancer (1).
Fig 5: Crankshaft Balancer Washer
Courtesy of GENERAL MOTORS COMPANY
5. Remove the crankshaft balancer washer (1) from the balancer, as required.
Fig 6: View Of Balancer Weights In Crankshaft Balancer
Courtesy of GENERAL MOTORS COMPANY
6. Note the position of the crankshaft balance weights, if applicable for manual transmission applications. Refer to Engine Balancing (LSA) , and Crankshaft Balancer Cleaning and Inspection .