gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Connecting Rod, Engine > < Engine - Needle Bearings Found Upon Oil Change|Page 3367
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Connecting Rod Bearing: Specifications

Connecting Rod Bolts-Early Design (First Pass) .....................................................................................................................................  20 Nm (15 ft. lbs.) 
Connecting Rod Bolts-Early Design (Final Pass) ................................................................................................................................................  60 degrees 
Connecting Rod Bolts-Later Design (First Pass) .....................................................................................................................................  20 Nm (15 ft. lbs.) 
Connecting Rod Bolts-Later Design (Final Pass) .................................................................................................................................................  75 degrees 
Connecting Rod Bearing Bore Diameter ..................................................................................................................  56.505-56.525 mm (2.224-2.225 inch) 
Connecting Rod Bearing Bore Out-of-Round-LQ4 ................................................................................................  0.004-0.008 mm (0.00015-0.0003 inch) 
Connecting Rod Bearing Bore Out-of-Round-LQ9 .......................................................................................................................  0.006 mm (0.00023 inch)
Connecting Rod Bearing Clearance (Production) ....................................................................................................  0.023-0.065 mm (0.0009-0.0025 inch) 
Connecting Rod Bearing Clearance (Service Limit) ..................................................................................................  0.023-0.076 mm (0.0009-0.003 inch) 
Connecting Rod Side Clearance ......................................................................................................................................  0.11-0.51 mm (0.00433-0.02 inch)

Connecting Rod, Engine > < Engine - Needle Bearings Found Upon Oil Change|Page 3367