Saturn Workshop Service and Repair Manuals

Balance Shaft: Specifications

L61 ENGINE TORQUE SPECIFICATIONS
Balance Shaft Drive Sprockets .................................................................................................................................................................  55 Nm (41 ft. lbs.)
Balance Shaft Retaining Bolts ...............................................................................................................................................................  10 Nm (89 inch lbs.)

DESIGN SPECIFICATIONS 
Cylinder Block
Balance Shaft Bore in Block Front .....................................................................................................................................  42.000- 12.016 (1.6535-1.6542)
Balance Shaft Bore in Block Rear ......................................................................................................................................  40.763- 10.776 (1.6048-1.6054)

Balance Shafts
Balance Shaft Bearing Carrier Bore in Block I.D. ...............................................................................................................  42.000-42.016 (1.6535-1.6542)
Balance Shaft Bearing Carrier O.D. .....................................................................................................................................  41.975-41.995 (1.6526-1.6534)
Balance Shaft Housing-to-Block Clearance .............................................................................................................................  0.005-0.041 (0.0002-0.0016)
Balance Shaft Bearing I.D. #1 .............................................................................................................................................  20.050-20.063 (0.7894-0.7899)
Balance Shaft Bearing I.D.#2 ..............................................................................................................................................  36.776-36.825 (1.4479-1.4498)
Balance Shaft Journal O.D.#1 ..............................................................................................................................................  20.000-20.020 (0.7874-0.7882)
Balance Shaft Journal O.D.#2 ..............................................................................................................................................  36.723-36.743 (1.4458-1.4466)
Balance Shaft Bearing Clearance #1 .........................................................................................................................................  0.030-0063 (0.0012-0.0025)
Balance Shaft Bearing Clearance #2 ........................................................................................................................................  0.033-0.102 (0.0013-0.0040)
Balance Shaft End Play ............................................................................................................................................................  0.100-0.300 (0.0020-0.0118)
Balance Shaft Chain Length .........................................................................................................................................  368.622-369.032 (14.5127-14.5288)
Balance of Shafts .....................................................................................................................................................................  4.05 Kg/mm per shaft, +/-6%