Allocation Of Main Bearing Shells For New Crankshafts - Audi A8 2003 Workshop Manual

Audi A8 2003 ➤
8-cylinder TDI engine (4.2 ltr. 4-valve common rail), mechanics - Edition 12.2013
Bearing bush for torque converter
– Make sure bearing bush -arrow- is fitted in crankshaft before
installing drive plate. Drive in bearing bush if necessary.
4.2 Allocation of main bearing shells for new
crankshafts
Matching crankshaft bearing shells to bearings in cylinder block
♦ Bearing shells of the correct thickness are matched to the
bearings in the cylinder block at the factory. Coloured dots on
the side of the bearing shells are used to identify the bearing
shell thickness.
♦ The allocation of the bearing shells to the cylinder block is
identified by a code letter next to the relevant bearing.
Letter on cylinder block
R =
G =
B =
Allocation of crankshaft bearing shells for retaining frame - ver‐
sion I
♦ Bearing shells of the correct thickness are matched to the
bearings in the retaining frame at the factory. Coloured dots
on the side of the bearing shells are used to identify the bear‐
ing shell thickness.
♦ The allocation of the bearing shells on the retaining frame is
indicated by stamped markings or coloured dots on the crank‐
shaft webs, as shown in illustration.
Crankshaft with
Stamped Coloured dot
marking
R Red
G Yellow
B Blue
94
Rep. gr.13 - Crankshaft group
Colour coding of bearing
Red
Yellow
Blue
Colour coding of bearing
Red
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