dimensions AUDI A4 1998 B5 / 1.G AFC Engine Cylinder Block Crankshaft And Flywheel Component Assembly Manual

13-7


5 -
Piston rings
Checking page 13
-25
6 -
Piston
Checking page 13
-26
7 -
Crankshaft
Checking page 13
-21
Dimensions page 13
-24
8 -
Oil pump
Check drive gear on crankshaft when
installing Removing Repair Group 17
9 -
10 Nm (7 ft lb)
10 -
Thrust washers
Installed only at 4th crankshaft main
bearing Checking crankshaft axial clearance
page 13
-21

11 -
Bolt
Automatic trans. (drive plate)
Always replaceTightening torque: 60 Nm (44 ft lb) plus
1/4-turn (90 )
Pa
ge 3 of 32 C
ylinder block, crankshaft and fl
ywheel, com
ponent la
yout
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE01.13.4

13-8


12 -
Dual mass flywheel or drive plate
Removing and installing, installation
dimensions page 13
-17

Removing and installing pilot needle
bearing page 13
-16

Adjusting engine speed (RPM) sensor
bracket -G28- page 13
-20

13 -
Main bearing shell
Checking radial clearance page 13
-21
14 -
Seal
Replacing page 13
-14
15 -
10 Nm (7 ft lb)
16 -
25 Nm (18 ft lb)
Thread bolts in hand-tight before tightening
crankshaft main bearing caps
17 -
Cylinder block
Pa
ge 5 of 32 C
ylinder block, crankshaft and fl
ywheel, com
ponent la
yout
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE01.13.4

13-24
Crankshaft dimensions

Reconditioning dimension
Crankshaft journal
diameter - mm (in.) Connecting rod journal
diameter - mm (in.)
maximum size (from nominal) -0.022 (0.00087) -0.022 (0.00087)
Basic dimension (nominal) 65.00 (2.559) 54.00 (2.126)
minimum size (from nominal) -0.042 (0.00165) -0.042 (0.00165)
maximum size (from nominal) -0.022 (0.00087) -0.022 (0.00087)
1st undersize (nominal) 64.75 (2.549) 53.75 (2.116)
minimum size (from nominal) -0.042 (0.00165) -0.042 (0.00165)
maximum size (from nominal) -0.022 (0.00087) -0.022 (0.00087)
2nd undersize (nominal) 64.50 (2.539) 53.50 (2.106)
minimum size (from nominal) -0.042 (0.00165) -0.042 (0.00165)
maximum size (from nominal) -0.022 (0.00087) -0.022 (0.00087)
3rd undersize (nominal) 64.25 (2.530) 53.25 (2.096)
minimum size (from nominal) -0.042 (0.00165) -0.042 (0.00165)
Pa
ge 24 of 32 C
ylinder block, crankshaft and fl
ywheel, com
ponent la
yout
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE01.13.4

13-30

Piston and cylinder dimensions

Reconditioning
dimension Piston
diameter Cylinder
bore
diameter
Basic dimension 82.48 mm

(3.2472
in.) 82.51 mm
(3.2484 in.)
1st oversize 82.74 mm

(3.2575
in.) 82.76 mm
(3.2583 in.)
2nd oversize 82.98 mm

(3.2669
in.) 83.01 mm
(3.2681 in.)

Note:
Only pistons of the "basic dimension" size are
available from the Parts Department.
Pa
ge 30 of 32 C
ylinder block, crankshaft and fl
ywheel, com
ponent la
yout
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE01.13.4