AUDI A4 1999 B5 / 1.G APB Engine Lubrication System Components Workshop Manual
A4 1999 B5 / 1.G
AUDI
AUDI
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AUDI A4 1999 B5 / 1.G APB Engine Lubrication System Components Workshop Manual
Page 2 of 74
17-2
Crankcase breather and oil spray jets,
removing and installing
Removing and installing oil pump, oil pan, oil filter
and oil cooler Page 17
-32
1 -
Bolt, tightening torque: 20 Nm
2 -
Washer
3 -
Tensioning roller
4 -
Bolt, tightening torque: 45 Nm
5 -
Idler wheel
For toothed belt
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Page 3 of 74
17-3
6 -
Bolt
M6 Tightening torque: 10 NmM8 Tightening torque: 20 Nm
7 -
Bolt, tightening torque 10 Nm
8 -
Breather housing
9 -
Gasket/breather plate Always replace
10 -
Oil check valve Tightening torque: 25 Nm
11 -
Oil seal
12 -
Connector
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Page 4 of 74
17-4
13 -
Banjo bolt
Tightening torque: 15 Nm
14 -
Oil distribution line For oil spray jets for piston cooling
15 -
Cylinder block
16 -
Bolt, tightening torque 10 Nm Apply locking fluid D6 when installing
17 -
Oil spray jet For piston cooling
18 -
Gasket Metal gasketAlways replace
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Page 5 of 74
17-5
19 -
Oil temperature sender (-G8-), tightening
torque 10 Nm
For oil temperature gaugeWhiteIf seal is leaking, cut open with pliers and
replace.
20 -
Oil seal Replacing Page 15
-10
21 -
Tensioner
Secure in position before removing Fig.
1
22 -
Bolt, tightening torque: 10 Nm
Apply locking fluid D6 when installing
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Page 6 of 74
17-6
23 -
Washer
24 -
Bearing bush
For tensioning lever
25 -
Washer
26 -
Bolt, tightening torque: 25 Nm
27 -
Tensioning lever
28 -
Bearing bush For tensioning roller
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Page 8 of 74
17-8
Oil pump, oil pan, oil filter and oil cooler,
removing and installing
1 -
Bolt for dipstick guide tube
Tightening torque: 25 Nm
2 -
Dipstick guide tube Replace O-ring
3 -
Oil pan - upper section There is no gasket between engine block
and upper section of pan. Only use silicone
sealant D 454 300 A2.
4 -
Hex socket head bolt M8 Tightening torque: 20 Nm
5 -
Hex bolt M6 Tightening torque: 15 Nm
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Page 9 of 74
17-9
6 -
Hex socket head bolt M8
Tightening torque: 20 NmThe coolant drain screw is next to this bolt
7 -
Hex bolt M6 Tightening torque: 10 Nm
8 -
O-ring Always replace
9 -
Gasket for lower section of pan Sealing surfaces should be clean and dry
10 -
Oil drain plug Tightening torque: 30 Nm
11 -
Seal for oil drain plug Always replace
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Page 10 of 74
17-10
12 -
Hex bolt M6
Tightening torque: 10 Nm
13 -
Oil pan - lower section
14 -
Hex bolt M6 Tightening torque: 10 Nm
15 -
Retainer for oil lines
16 -
Oil supply line From pump to oil filter
17 -
Oil supply line From oil filter to engine oil system
18 -
O-ring Always replace
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Page 11 of 74
17-11
19 -
O-ring
Always replace
20 -
Oil filter
21 -
Hex nut Tightening torque: 30 NmThreaded line for oil cooler and oil filter is
screwed into upper section of pan with 20
Nm tightening torque.
22 -
Oil cooler Ensure O-ring is installed correctly when
installing
23 -
Oil pump Driven off crankshaft via chainTightening torque of chain sprocket to oil
pump: 25 Nm Tightening torque of oil pump to engine
block: 25 Nm
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Page 29 of 74
17-28
Installing
Install in the opposite order to removing. When
installing, note the following points:
Note:
Do not use any adhesive or sealant.
- Clean sealing surfaces; ensure that they are free
of oil and grease.
- Install new gasket on lower section of oil pan
and install on upper section of oil pan with two
diagonally opposite bolts.
- Tighten all securing bolts hand-tight.
- Tighten bolts to 10 Nm with torque wrench,
working from center outward.
- install new seal on oil drain plug and tighten to
30 Nm.
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