change wheel AUDI A4 1997 B5 / 1.G APB Engine Cylinder Block Crankshaft And Flywheel Assembly Manual

13-18


21 -
Piston rings
Checking Page 13
-36
22 -
Circlip for piston pin
23 -
Piston pin
24 -
Connecting rod
Mark cylinder number and installation
position of matching connecting rods and
bearing caps before removing Installation position: wider, slightly convex
machined surfaces on the same side
25 -
Connecting rod bearing Do not interchange used bearing shells.Connecting rods, connecting rod bearings
Page 13
-39

Pa
ge 5 of 26 C
ylinder block, crankshaft and fl
ywheel, disassembl
y and assembl
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11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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pair&id=AUDI.B5.GE05.13.2

13-21

Crankshaft axial and radial clearance,
measuring


Axial clearance

Note:
Do not interchange used bearings.

- Attach dial gauge with universal dial gauge bracket VW 387 to oil pump
and bring it into contact with crank web.
- Press crankshaft against dial gauge by hand and set gauge to -0-.
- Press crankshaft away from dial gauge.
- Note reading:Clearance when new
Wear limit
0.090 ... 0.251 mm 0.28 mm
Pa
ge 8 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
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pair&id=AUDI.B5.GE05.13.2

13-27


Installing - Screw clamping bolt 3242 for crankshaft into sealing plug hole and
tighten.
- Mark positions of holes in drive plate, shim -1- and washer -2- in
relation to crankshaft.
- Mark positions of shim -1- in front of drive plate and washer -2- behind
drive plate.

Note: - Install drive plate with washer -2- and shim -1- (3.0 mm or 4.0 mm).
Short engines and exchange engines are supplied without bush in
crankshaft. On vehicles with automatic transmission, always knock in
new bush before installing drive plate. Always replace drive plate securing bolts.
Pa
ge 14 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

13-33

Installing

Note: - Install drive plate with washer -2- and shim -1- (3.0 mm or 4.0 mm).
Short engines and exchange engines are supplied without bush in
crankshaft. On vehicles with automatic transmission, always knock in
new bush before installing drive plate. Always replace drive plate securing bolts.
Tightening torques

Drive plate to crankshaft
60 Nm + 90
Pa
ge 20 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