torque AUDI A4 1997 B5 / 1.G AFC Engine Cylinder Block Crankshaft And Flywheel Component Assembly Manual

13-6


Cylinder block, crankshaft and
flywheel, component layout Note:
Always replace gaskets and seals.
1 -
Main bearing cap bolts
Always replaceTightening torque: 60 Nm (44 ft lb) plus
1/2-turn (180 )
2 -
Main bearing cap
ID: "1" on side facing oil pumpAlways replace boltsChecking bearing clearance page 13
-21
3 -
Connecting rod bearing cap bolts
Always replaceTightening torque: 30 Nm (22 ft lb) plus
1/4-turn (90 ) Tighten to 20 Nm (15 ft lb) for measuring
radial clearance, but do NOT tighten further
4 -
Connecting rod bearing shells Never interchange used connecting rod
bearing shells
Pa
ge 1 of 32 C
ylinder block, crankshaft and fl
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ponent la
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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
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yp
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Manual trans. (flywheel)
Always replaceTightening torque: 40 Nm (30 ft lb) plus
1/2-turn (180 )
Pa
ge 4 of 32 C
ylinder block, crankshaft and fl
ywheel, com
ponent la
yout
11/21/2002 htt
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play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE01.13.4

13-10

Vibration damper, removing and
installing


Removing
Removing ribbed belt page 13
-9 .

Note:
The center bolt does not have to be loosened to
remove the vibration damper.

- Remove vibration damper.

Installing

- When installing, make sure that notch (arrow) in vibration damper is
aligned with locking lug on toothed belt sprocket.
Tightening torque: 25 Nm (15 ft lb)
Pa
ge 8 of 32 C
ylinder block, crankshaft and fl
ywheel, com
ponent la
yout
11/21/2002 htt
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play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE01.13.4

13-13

Toothed belt, adjusting tension


- Adjust toothed belt tension by turning tensioning
roller to right and holding using 8 mm hex socket
wrench.

- Tighten tensioning roller center bolt with another
8 mm hex socket wrench.

Center crankshaft bolt: Always replace, using new double hex head (12-
pt.) cap screw grade 9.8 - Check toothed belt tension between right camshaft sprocket and
coolant pump.
Holding toothed belt half way between camshaft sprocket and coolant
pump with thumb and index finger, it must be just possible to twist
toothed belt by 90 . Tightening torque (tensioning roller): 45 Nm (33 ft lb)Component
Tightening torque
Toothed belt sprocket to camshaft 70 (52 ft lb)
Idler roller 25 (18 ft lb)
Toothed belt tensioner 45 (33 ft lb)
Belt cog to crankshaft 25 (18 ft lb)
Center bolt
1) to crankshaft
200 (148 ft lb) + 180 2)
Pa
ge 12 of 32 C
ylinder block, crankshaft and fl
ywheel, com
ponent la
yout
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13-17

Dual mass flywheel or drive plate,
removing and installing


Flywheel

Note:
The needle roller bearing is in the flywheel and must be pressed in when
replacing the flywheel.
Tightening torque - Install crankshaft holder 3242 with crankshaft at Top Dead Center
(TDC) position.
- Mark relationship between flywheel and engine cylinder block (arrows).
- Remove flywheel.
Dual mass flywheel: 40 Nm (30 ft lb) plus 1/2-turn (180 )
Pa
ge 17 of 32 C
ylinder block, crankshaft and fl
ywheel, com
ponent la
yout
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13-19


Note:
Before installing the engine, make sure that the engine-to-transmission
dowel sleeves are installed in the cylinder block flange. - Check clearance -a- between drive plate and cylinder block in three
places and calculate average value.
Dimension -a-:

Transmission 01V: 18.1-19.7 mm (0.713-0.776 in.)
- If necessary, install other shims to achieve correct clearance
dimension.

Tightening torque: 60 Nm (44 ft lb) plus 1/4-turn (90 )
Pa
ge 19 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