S 320 SWB (140.032) L6-3.2L (104.994) (1994)
Specifications Engine 104.98 and 104.99
Bearing Bore To Conrod Bush Bore (L) (refer to footnote [1]): 144.995 - 145.005 mm
Conrod Bearing Shell Basic Bore (D1): 51.600 - 51.619 mm
Conrod Bush Basic Bore (d1): 24.500 - 24.571 mm
Conrod Bush Inner Diameter: 22.007 - 33.013 mm
Permissible:
Difference In Axial Parallelism (refer to footnote[2]): 0.07 mm
Difference In Concentricity Of Conrod Bearing Bore: 0.01 mm
Difference In Weight Of Complete Conrod With An Engine: 4 grams
Peak-To-Valley Height Of Conrod Bush On Inside: 0.005 mm
Twist Of Conrod Bearing Bore To Bush Bore: 0.15 mm
Piston Pin Play In Conrod Bush: 0.013 - 0.018 mm
Width Of Conrod At Bearing Bear (B): 21.948 - 22.000 mm
Width Of Conrod At Bush Bore (b): 21.948 - 22.000 mm
Conrod bearing play:
Axial: Piston Guided
Radial: 0.02 - 0.04 mm
[1]:
Center of conrod bearing bore to center of conrod bush bore.
[2]:
Permissible difference in axial parallelism of conrod bearing bore to conrod bush bore.
Fitting New Bearings
NOTE:
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Conrods which have been overheated because of bearing damage (blue discoloration) must not be re-used.
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Conrod and conrod caps are marked together (arrow).
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The conrod shaft must not have any cross scores and notches.
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Conrods with machined conrod bush are supplied as a replacement part.
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The conrod and the conrod cap are located relative to each other with fit sleeves.
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Pay attention to difference in weight when replacing the conrod.