1998 AUDI A4 oil

17-27

WARNING!

Do not open air conditioner refrigerant
circuit.

Notes:
Note:
Use a separate container to collect the engine oil. - Detach air conditioner compressor -1...2-.
Watch position of guide bushes when installing.When installing, insert bolt -1- in the compressor first. To prevent damage to the condenser and refrigerant lines/hoses,
ensure that the lines and hoses are not stretched, kinked or bent.
- Drain engine oil.

- Remove lower section of oil pan.
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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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17-29

- Fill engine with oil.

Repair Manual, Maintenance


- Install lock carrier in normal position.

Repair Manual, Body Exterior, Repair Group
50


- Install bumper.

Repair Manual, Body Exterior, Repair Group
63

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17-30

Chain tensioner for oil pump, checking

The chain tensioner incorporates a leaf spring.
To check the spring tension, the lower section of
the oil pan must be removed.

- 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 lower section of oil pan Page 17
-
26


If no spring tension can be felt and the chain is not being tensioned, this
means the chain tensioner is malfunctioning and must be replaced. - Insert a screwdriver between chain and chain tensioner and press
screwdriver against chain tensioner.
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To replace oil pump chain tensioner, remove front sealing flange Page 17
-55
.
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17-31

Installing
Install in the opposite order to removing. When
installing, note the following points:

- Fill up engine oil.

Repair Manual, Maintenance


- Install lock carrier in normal position.

Repair Manual, Body Exterior, Repair Group
50


- Install bumper.

Repair Manual, Body Exterior, Repair Group
63

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17-32

Upper and lower sections of oil pan,
removing and installing


Special tools, testers and equipment
required

Engine support bracket 10-222A with adapter
10-222A/3
Drip tray VAG 1306
Electric drill with plastic brush attachment
Silicone sealant D 176 404 A2
Torque wrench 10 Nm/ 45 Nm

- Obtain radio theft code on vehicles with coded
radio.

- With ignition switched off, disconnect battery
Ground strap.

- Pull out dipstick.
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17-33

- Unbolt dipstick guide tube at front of cylinder
head (right side), and pull out of oil pan from the
top.

Repair Manual, Body Exterior, Repair Group 63

Repair Manual, Body Exterior, Repair Group 50
WARNING!
Hot steam can escape from the expansion tank when the filler cap is
opened. Cover the filler cap with a cloth and remove it carefully. - Remove noise insulation panel -arrows-.
- Remove bumper.
- Move lock carrier to service position.- Remove cap on coolant expansion tank.
- Place drip tray VAG 1306 below engine.

- Turn drain screw -arrow- on radiator anti-clockwise, if necessary install
drain hose to connection.
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