oil AUDI A4 2000 B5 / 1.G APB Engine Lubrication System Components Repair Manual

17-61


- Make sure sealing surface is clean and then apply silicone sealant on
sealing surfaceof front sealing flange, as shown in illustration.
( Illustration shows where bead of sealant is applied.)
- Use installing sleeve 3202/1 to install sealing flange. Locate sealing
flange in position immediately and tighten all 4 bolts in oil pan hand-
tight initially.
- Tighten bolts securing sealing flange Tightening torque: Front sealing
flange: M6 10 Nm, M8 20 Nm 4 bolts in oil pan: 10 Nm
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17-62

Chain sprocket for oil pump on
crankshaft, removing and installing


Removing
Removing and installing front sealing flange and
oil pump drive chain Page 17
-55
.

Installing
Notes: - Pull chain sprocket off crankshaft using a normal commercial-type
puller -2-: use a suitable washer -1- to protect end of crankshaft.
-
Heat chain sprocket in oven for about 15 minutes at 220 C.
Wear protective gloves. Installation position: it should be possible to read the lettering on the
chain sprocket.

Removing and installing front sealing flange and oil pump drive chain
Page 17
-55
. - Using pliers, install chain sprocket on end of crankshaft and push
against stop on crankshaft with drift sleeve 30-100. If necessary knock
on carefully using a plastic hammer.
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Crankshaft oil seal - pulley end,
replacing


Removing

- Remove bumper.

Repair Manual, Body Exterior, Repair Group
63


- Move lock carrier to service position

Repair Manual, Body Exterior, Repair Group
50


- Remove ribbed belt Page 13
-1 .

- Remove toothed belt Page 13
-4 .

- Remove sealing plug from hole in cylinder block
(left side).

-
Position crankshaft to TDC of No. 3 cylinder.
Crankshaft TDC drilling should be visible (or it
should be possible to feel the drilling) in sealing
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17-64

- Remove crankshaft toothed belt sprocket.

- Remove inner part of oil seal extractor 3203 two
turns (approx. 3 mm) out of outer part and lock
with knurled screw.

Installing - Lubricate threaded head of oil seal extractor, place it in position and,
exerting firm pressure, screw it in as far as possible into oil seal.
- Loosen knurled screw and turn inner part against crankshaft until oil
seal is pulled out.
- Place guide sleeve 3202/1 onto crankshaft journal.
- Slide dry seal over guide sleeve.

Then proceed as for removing, performing steps in reverse order. - Press oil seal in flush with installing sleeve 3265.
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Oil pressure and oil pressure switch,
checking


Note:
Servicing and checking function of oil pressure
warning lamp and buzzer:

Electrical Wiring Diagrams, Troubleshooting &
Component Locations

Test procedure

- Remove oil pressure switch (F1) and screw oil pressure switch into
tester.
- Screw tester into oil pan in place of oil pressure switch.
- Connect brown wire of tester to ground (GND) (-).
- Using test leads from VAG 1594, connect diode test lamp VAG 1527
between positive battery terminal (+) and oil pressure switch.
- Start engine and gradually increase engine speed.
LED should light up at 1.2...1.6 bar, otherwise replace oil pressure
switch.
- Increase engine speed further.

At 2000 RPM and an oil temperature of 80 C oil pressure should be at
least 2.0 bar.
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17-66

Engine oil, specifications

A high-quality multigrade oil is put in at the
factory: this can be used all year round, except in
extremely cold climates.

Viscosity grades and oil specifications
Viscosity grades and oil specifications
Repair Manual, Maintenance
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Oil level, checking


Test conditions

Oil temperature above 60 C.

Vehicle level.
The vehicle must be standing on level
ground when checking the oil level. Wait for
a few minutes after switching off the engine
to allow the oil to flow back into the oil pan.

Test sequence

- Pull out dipstick, wipe off with a clean cloth and
insert it again as far as it will go.

- Pull out dipstick again and read oil level.
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Markings on oil dipstick:
Note:
The oil level must not be above marking -a- on the dipstick.
Oil capacities Repair Manual, Maintenance
a - Do not top up oil.
b - Oil can be topped up. The oil level may rise as far as area -a- after
topping up.
c - Oil must be topped up. It is sufficient if the oil level is somewhere in
area -b- (grooved area on dipstick) after topping up.
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