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Installing a new connecting rod bush - AR03.10-P-6111-03AW

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INSPECTION DATA FOR CONNECTING ROD

Number Designation Engine 601.921 USA ONLY up to 09/84 Engine 601.921 USA ONLY as of 10/84
BE03.10-P-1006-01C Dimension Connecting rod bush inner Ø (d) mm 27.018...27.024 26.012...26.018
See picture in   AR03.10-P-6111AW  AR03.10-P-6111AW 
BE03.10-P-1007-01C Dimension Connecting rod bush outside dia. mm 29.560...29.600 28.575...28.600
BE03.10-P-1008-01C Dimension Connecting rod bush basic bore Ø (d1) mm 29.500...29.521 28.500...28.521
See picture in   AR03.10-P-6111AW  AR03.10-P-6111AW 
BE03.10-P-1009-01C Dimension Piston pin play in connecting rod bush mm 0.007...0.018 0.007...0.018
BE03.10-P-1010-01C Dimension Peak-to-valley height (Rz ) inside connecting rod bush μM 5 5
INSPECTION DATA FOR CONNECTING ROD

Number Designation Engine 601 up to 09/84 except 601.921 USA ONLY Engine 601 as of 10/84 except 601.921 USA ONLY , engine 602.91, 603.91
BE03.10-P-1006-01C Dimension Connecting rod bush inner Ø (d) mm 27.018...27.024 26.012...26.018
See picture in   AR03.10-P-6111AW  AR03.10-P-6111AW 
BE03.10-P-1007-01C Dimension Connecting rod bush outside dia. mm 29.560...29.600 28.575...28.600
BE03.10-P-1008-01C Dimension Connecting rod bush basic bore Ø (d1) mm 29.500...29.521 28.500...28.521
See picture in   AR03.10-P-6111AW  AR03.10-P-6111AW 
BE03.10-P-1009-01C Dimension Piston pin play in connecting rod bush mm 0.007...0.018 0.007...0.018
BE03.10-P-1010-01C Dimension Peak-to-valley height (Rz inside connecting rod bush μ M 5 5
INSPECTION DATA FOR CONNECTING ROD

Number Designation Engines 602.96, 603.96 Engine 603.97
BE03.10-P-1006-01C Dimension Connecting rod bush inner Ø (d) mm 28.012...28.024 28.018...28.024
See picture in   AR03.10-P-6111AW  AR03.10-P-6111AW 
BE03.10-P-1007-01C Dimension Connecting rod bush outside dia. mm 30.575...30.600 30.575...30.600
BE03.10-P-1008-01C Dimension Connecting rod bush basic bore Ø (d1) mm 30.500...30.525 30.500...30.525
See picture in   AR03.10-P-6111AW  AR03.10-P-6111AW 
BE03.10-P-1009-01C Dimension Piston pin play in connecting rod bush mm 0.007...0.018 0.007...0.018
BE03.10-P-1010-01C Dimension Peak-to-valley height (Rz ) inside connecting rod bush μ M 5 5
  1. Press out connecting rod bush, press out old connecting rod bush with new one.

    NOTES Press in new connecting rod bush so that the oil drillings in the connecting rod bush are aligned with the oil drillings in the connecting rod (arrows)

    (Arrow) Oil hole for naturally aspirated engines 601, 602, 603 

    Fig 1: Locating Connecting Rod Bush Oil Hole
    G05438218Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  2. Turn diameter of connecting rod bush, ream.
  3. Dress side surfaces of connecting rod on a dressing plate.

Turbocharged engines 602, 603 

(Arrow) Oil holes 

Fig 2: Locating Connecting Rod Bush Diameter
G05438219Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

IMPORTANTEngine 603.960/963 from 01/1988 to 08/1988 have 3 holes of Ø 4.5 mm for piston bolt lubrication 

Engines 602.96, 603.96 and 603.97 USA ONLYfrom 09/1988 have 2 oil holes Ø 4.5 mm for piston bolt lubrication