13-38
Cylinder bores, checking
Piston and cylinder dimensions
Note:
Replacement pistons are only available with basic dimension. - Measure bores at three points in both directions: across engine -A- and
in line with crankshaft -B-.
Use internal dial gauge 50 to 100 mm.
Difference between actual and nominal diameter: not more than
0.08 mm.
Honing dimension
Piston dia.
Cyl. bore dia.
Basic dimension 80.95 mm 81.01 mm
Pa
ge 25 of 26 C
ylinder block, crankshaft and fl
ywheel, disassembl
y and assembl
y
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE05.13.2
13-39
Connecting rods and connecting rod
bearings, installing
Note:
Only replace complete sets of connecting
rods
Do not interchange connecting rod bearings.
Checking radial clearance - Before removing, mark positions of connecting rod bearing caps with a
felt pen or similar.
- Remove connecting rod bearing cap. Clean bearing cap and bearing
journal.
- Place a length of Plastigage corresponding to width of bearing on
bearing journal or bearing shell.
- Install connecting rod bearing cap and tighten to 20 Nm. Do not rotate
crankshaft.
- Remove connecting rod bearing cap again.
- Compare width of Plastigage with calibrated scale.Clearance when new
Wear limit
0.015 ... 0.062 mm 0.12 mm - Install new connecting rod bearing bolts.
Pa
ge 26 of 26 C
ylinder block, crankshaft and fl
ywheel, disassembl
y and assembl
y
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE05.13.2
