torque AUDI A4 1997 B5 / 1.G AFC Engine Assembly Workshop Manual

10-7

- Loosen V-belt for hydraulic pump, viscous fan
and generator and secure with special tool 3204.

- Use screwdriver to counter-hold belt pulley for
viscous fan and unbolt with open-end wrench
3312.

Tightening torque with torque wrench 1331 and
open-end wrench 3312 is 37 Nm (27 ft lb);
without open-end wrench 3312 tightening torque
is 70 Nm (52 ft lb).

Note:
Refer to table for torque wrenches of a different
length; length of torque wrench from socket drive
to center of handle.

Length of torque
wrench Tightening
torques
220 mm 33 Nm (24 ft lb)
280 mm 37 Nm (27 ft lb)
300 mm 39 Nm (29 ft lb)
440 mm 45 Nm (33 ft lb)
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10-12

- Allow stop of torque support to move down onto
rubber block under its own weight; tighten bolts
to 45 Nm (33 ft lb).

- Align exhaust system free of stress Repair
Group 26.
- Adjust accelerator pedal cable Repair Group
20.
- Re-fill engine cooling system Repair Group
19.
- Drained coolant may only be re-used provided
the cylinder block or the cylinder head was not
replaced.

- Check oil level before starting engine.

- Short blocks are supplied without bushing in
crankshaft. For vehicles with automatic
transmission, tap bushing into place before
installing drive plate.

- Check reconditioned engines with manual
gearbox to determine whether needle bearing is
installed in crankshaft; install if necessary.
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- Observe tightening torque specifications.
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10-13

Tightening torques


Notes:

The tightening torques apply only to lightly
greased, oiled, plated or specially treated nuts
and bolts.
It is permissible to use additional lubricants
such as engine or gear oils, but do not use
Molykote and do not use degreased parts.
Permissible tolerance for tightening torques
15%.

Bolts, nuts M6 10
Nm (7 ft
lb)
M8 20
Nm (15 ft
lb)
M10 45
Nm (33 ft
lb)
M12 60
Nm (44 ft
lb)

Exhaust pipe to manifold M8 25
Nm (18 ft
lb)
AC compressor to bracket M8 25 (18 ft
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Nm lb)
Torque converter to drive
plate M8 35
Nm (26 ft
lb)
Engine support to engine
mount M10 45
Nm
Viscous coupling to
bracket M10 45
Nm (33 ft
lb)
Hydraulic pump to bracket M8 25
Nm (18 ft
lb)
Generator to mounting
bracket M8 35
Nm (28 ft
lb)
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