ECU AUDI A4 1998 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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10-8

- Unbolt hydraulic pump from mounting bracket.

CAUTION!

Hydraulic lines should remain connected.

- Unscrew bolts and secure A/C compressor to
one side with wire.

CAUTION!

Disconnect at mounting points only.
DO NOT open the air conditioning refrigerant
circuit.
Set the A/C compressor aside carefully.
Refrigerant lines kink easily.
The A/C refrigerant circuit must only be
opened by specially trained technicians
using the proper tools and equipment.

- Remove bolts securing exhaust manifold and
front exhaust pipe at top.

- Disconnect battery positive (B+) cable from
starter at right of engine below exhaust manifold.
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10-9

- Support weight of transmission using engine
support bridge 10-222A.

- Attach engine support adapter 3147 to bolt hole of transmission bell
housing.
(Adapter installation shown with engine removed)

CAUTION!
The mounting hooks and pins on the lifting device must be secured
with locking pins. - Attach engine sling 2024A to engine and workshop crane 1202A.
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