gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Connecting Rod, Engine > < Diesel Engine - Revised Piston/Rod/Bearing Illustration
Page 1
background image

Connecting Rod Bearing: Specifications

Type & Material .........................................................................................................................................................................  Forged Steel Fracture Split 
Length Center to Center .........................................................................................................................................................................  163.0 mm 6.42 inch
Piston Pin Bushing .................................................................................................................................................................  Steel Backed Pb-Sn-Cu Alloy 
Lower End Rod Bearing Type ..........................................................................................................................................................................  Straight Split 
Make ....................................................................................................................................................................................  Steel Backed Pb-Sn-In Overlay 
Connecting Rod Bearing Clearance - Service Limits .........................................................................................................................  0.10 mm (0.0039 inch)
Connecting Rod Bearing Clearance - Production Value ...........................................................................................  0.036-0.077 mm (0.0014-0.0030 inch)
Connecting Rod Side Clearance - Service Limits ..............................................................................................................................  0.54 mm (0.0213 inch)
Connecting Rod Side Clearance - Production Value ....................................................................................................  0.31-0.49 mm (0.0122-0.0193 inch) 
Connecting Rod Bearing Inside Diameter - Production Value ..............................................................................  62.958-62.979 mm (2.4789-2.4795 inch)
Small End Inside Diameter - Service Limits ....................................................................................................................................  34.53 mm (1.3594 inch)
Small End Inside Diameter - Production Value ....................................................................................................  34.512-34.522 mm (1.3587-1.3591 inch)
Small End Bearing Clearance - Service Limits ..................................................................................................................................  0.08 mm (0.0031 inch)
Small End Bearing Clearance - Production Value ...................................................................................................  0.012-0.027 mm (0.0005-0.0011 inch) 

Connecting Rod, Engine > < Diesel Engine - Revised Piston/Rod/Bearing Illustration