belt AUDI A3 2000 8L / 1.G AEB ATW Engines Cooling System Components Workshop Manual
[x] Cancel search | Manufacturer: AUDI, Model Year: 2000, Model line: A3, Model: AUDI A3 2000 8L / 1.GPages: 34, PDF Size: 0.54 MB
Page 12 of 34
19-11
Coolant pump and coolant thermostat,
servicing
1 -
Bolt
M6: 10 Nm (7 ft lb)M8: 20 Nm (15 ft lb)
2 -
Lower toothed belt cover Removing and installing Page 13
-29
3 -
Nut
10 Nm (7 ft lb)
4 -
Coolant pump Removing and installing Page 19
-13
Check for ease of movement
5 -
Gasket Always replace
6 -
O-ring Always replace
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Page 13 of 34
19-12
7 -
T-head bolt
Insert before installation
8 -
Coolant thermostat Removing and installing Page 19
-20
Checking Page 19
-20
9 -
Connector
10 -
Drain plug
30 Nm (22 ft lb)
11 -
O-ring Always replace
12 -
Belt pulley Installed position: flat pulley half faces
coolant pump
13 -
Socket-head bolt 25 Nm (18 ft lb)
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Page 14 of 34
19-13
Coolant pump, removing and installing
Note:
Coolant pump is bolted to bracket for generator,
power steering pump and viscous fan.
Lock carrier in service position Page 13
-1
Removing
CAUTION!
Before disconnecting the battery:
Stop the engine.
Determine the correct coding for the anti-
theft radio.
Switch the ignition off (also applies when
connecting the battery). Failure to do so may
damage the Engine Control Module (ECM).
- Switch ignition off and disconnect battery Ground (GND) strap.
- Remove ribbed belt Page 13
-15
.
- Remove viscous fan (with belt pulley) Page 13
-14
, Fig. 1
.
- Remove V-belt Page 13
-18
.
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Page 15 of 34
Note:
Ribbed belt for A/C compressor and torque support remains installed.
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Page 17 of 34
19-15
Note:
Power steering pump remains installed.
- Pull off coolant hoses from coolant pump and
coolant thermostat housing.
- Unbolt coolant pump housing from toothed belt cover (arrow).
- Remove coolant pump.
- Unbolt impeller housing -1- from pump housing -4-.
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Page 18 of 34
19-16
Installing
Installation is the reverse of removal, noting the
following:
- Clean sealing surfaces of both housings.
- Replace gasket and O-ring.
- Insert T-head bolt into coolant pump bore.
- Mount bracket for generator, power steering pump and viscous fan with
coolant pump on cylinder block and tighten bolts in numerical
sequence.
1 - M8 x 70 bolt
2 - M8 x 110 bolt
3 - M8 x 50 bolt
4 - M8 x 90 bolt
5 - M8 x 70 bolt
6 - M8 x 100 bolt
- Install viscous fan Page 13
-14
, Fig. 1
.
- Install ribbed belt Page 13
-17
.
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Page 19 of 34
19-17
Note:
When installing ribbed belt, check for correct
seating on belt pulley.
- Install V-belt Page 13
-18
.
- Fill up with coolant Page 19
-6 .
WARNING!
The cooling system is pressurized when the
engine is warm. When opening the expansion
tank, wear gloves and other appropriate
protection, cover the cap using a cloth, and
open carefully to relieve system pressure
slowly.
CAUTION!
Be sure the ignition is switched OFF. Failure
to do so may damage the Engine Control
Module (ECM).
- Switch ignition off and reconnect battery Ground
(GND) strap.
- After connecting battery, enter anti-theft code for
radio.
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Page 21 of 34
19-18
Tightening torques
Component
Tightening
torques
Impeller to pump housing 10 Nm (7 ft
lb)
Pump housing to toothed belt
cover 10 Nm (7 ft
lb)
Bracket for generator, power
steering pump and viscous fan to
cylinder block 25 Nm (18 ft
lb)
Left brace for cylinder
block/bracket for generator, power
steering pump and viscous fan
to cylinder block 25 Nm (18 ft
lb)
to bracket M10 40 Nm (30 ft
lb)
Brace for torque support/bracket
for generator, power steering
pump and viscous fan
to torque support 25 Nm (18 ft
lb)
to bracket 20 Nm (15 ft
lb)
Intake duct support
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Page 23 of 34
19-19
Component
Tightening
torques
Generator to bracket for
generator, power steering pump
and viscous fan
M8 25 Nm (18 ft
lb)
M10 40 Nm (30 ft
lb)
Belt pulley to coolant pump 25 Nm (18 ft
lb)
Viscous fan to bearing 45 Nm (33 ft
lb)
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