torque AUDI A4 1998 B5 / 1.G APB Engine Cylinder Block Crankshaft And Flywheel Assembly Manual

13-15


3 -
Dual-mass flywheel
Removing and installing Page 13
-29
Removing and installing needle bearing
Page 13
-35

4 -
Crankshaft bearing
Checking axial and radial clearance
Page 13
-21

5 -
Bolt, tightening torque 10 Nm
6 -
Oil spray jet
For piston cooling
7 -
Oil seal for rear sealing flange Replacing Page 13
-23
Pa
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ylinder block, crankshaft and fl
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13-16


8 -
Bolt, tightening torque 10 Nm
9 -
Rear sealing flange
10 -
Gasket
11 -
Bolt, tightening torque 25 Nm
Screw in bolts on left and right sides finger-
tight before tightening bolts on main
bearing caps.
12 -
Cylinder block
13 -
Gasket
Pa
ge 3 of 26 C
ylinder block, crankshaft and fl
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13-17


14 -
Collar bolt, tightening torque 30 Nm
Apply Loctite when installing
15 -
Bolt, tightening torque 10 Nm
16 -
Front sealing flange
17 -
Expansion pins
18 -
Crankshaft
Checking Page 13
-21
19 -
Chain sprocket for oil pump
Removing and installing Page 17
-62
.
20 -
Pistons
Checking Page 13
-36
Pa
ge 4 of 26 C
ylinder block, crankshaft and fl
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13-19


26 -
Connecting rod bearing bolts
Always replaceTightening torque: 30 Nm + 90 (
1/4turn)
When measuring radial clearance, tighten
to 20 Nm but do not turn further.
27 -
Main bearing cap Marking -1- on oil pump sideReplace bolts for main bearing capsWatch position of dowel sleevesChecking bearing clearance Page 13
-21
28 -
Bolts for main bearing caps
Always replaceTightening torque Page 13
-20
Tightening sequence Page 13
-20Pa
ge 6 of 26 C
ylinder block, crankshaft and fl
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13-25

Installing

- Install sealing flange.

- Install dual-mass flywheel with new bolts.

Note:
Always replace securing bolts for dual-mass
flywheel.

- Install clutch.

Repair Manual, 6 Spd. Manual Transmission
01E, Repair Group 30


Tightening torques

Dual-mass flywheel to
crankshaft 60 Nm + 180
Clutch to dual-mass flywheel 20 Nm
Pa
ge 12 of 26 C
ylinder block, crankshaft and fl
ywheel, disassembl
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13-28

Tightening torques

Drive plate to crankshaft
60 Nm + 90

Note:
Always replace securing bolts for drive plate.

Note:
Before installing the transmission, check that the dowel sleeves for
locating engine/transmission are fitted in the engine flange.
Repair Manual, 5 Spd. Automatic Transmission 01V, Repair Group 37
- Measure distance -a- at three points and calculate average value.

Distance -a- = approx. 29.9 mm.
- Install a different shim if necessary.
- Install transmission.
Pa
ge 15 of 26 C
ylinder block, crankshaft and fl
ywheel, disassembl
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13-31

Tightening torques

Dual-mass flywheel to
crankshaft 60 Nm + 180
Clutch to dual-mass flywheel 20 Nm

B - Drive plate

Removing

- Remove transmission.

Repair Manual, 5 Spd. Automatic
Transmission 01V, Repair Group 37


Note:
Turn over the engine at the central bolt on the crankshaft. - Turn crankshaft to TDC by hand. Marks -A- and -B- must be aligned.
- Check position of camshafts: larger holes in securing plates on
camshaft sprockets must align opposite one another on inside. If this is
not the case, turn crankshaft one revolution further.
- Remove sealing plug from cylinder block, left.
Pa
ge 18 of 26 C
ylinder block, crankshaft and fl
ywheel, disassembl
y and assembl
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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
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yp
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